In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The rise in the Irrawaddy dolphin (1) ______ in Chilika can be attributed to the eviction of (2) ______ fish enclosures. After thousands of hectares of Chilika lake were made (3) ______ free, Irrawaddy dolphins found unobstructed area for movement. (4) ______, due to the COVID-19 lockdown last year, there were comparatively fewer tourist boats on Chilika lake, which made it (5) ______ for dolphins to move from one part of the lake to another.

Select the most appropriate option to fill in blank no.5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The rise in the Irrawaddy dolphin (1) ______ in Chilika can be attributed to the eviction of (2) ______ fish enclosures. After thousands of hectares of Chilika lake were made (3) ______ free, Irrawaddy dolphins found unobstructed area for movement. (4) ______, due to the COVID-19 lockdown last year, there were comparatively fewer tourist boats on Chilika lake, which made it (5) ______ for dolphins to move from one part of the lake to another.

Select the most appropriate option to fill in blank no.2.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The rise in the Irrawaddy dolphin (1) ______ in Chilika can be attributed to the eviction of (2) ______ fish enclosures. After thousands of hectares of Chilika lake were made (3) ______ free, Irrawaddy dolphins found unobstructed area for movement. (4) ______, due to the COVID-19 lockdown last year, there were comparatively fewer tourist boats on Chilika lake, which made it (5) ______ for dolphins to move from one part of the lake to another.

Select the most appropriate option to fill in blank no.3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The rise in the Irrawaddy dolphin (1) ______ in Chilika can be attributed to the eviction of (2) ______ fish enclosures. After thousands of hectares of Chilika lake were made (3) ______ free, Irrawaddy dolphins found unobstructed area for movement. (4) ______, due to the COVID-19 lockdown last year, there were comparatively fewer tourist boats on Chilika lake, which made it (5) ______ for dolphins to move from one part of the lake to another.

Select the most appropriate option to fill in blank no.4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The rise in the Irrawaddy dolphin (1) ______ in Chilika can be attributed to the eviction of (2) ______ fish enclosures. After thousands of hectares of Chilika lake were made (3) ______ free, Irrawaddy dolphins found unobstructed area for movement. (4) ______, due to the COVID-19 lockdown last year, there were comparatively fewer tourist boats on Chilika lake, which made it (5) ______ for dolphins to move from one part of the lake to another.

Select the most appropriate option to fill in blank no.1.

In the following sentence, a part of the sentence is emboldened. Below are given alternatives to the emboldened part, which may improve or replace the meaning of the sentence. Choose the correct alternative. In case no improvement is needed, choose the alternative that indicates "No improvement required".

Every year, between September and October, one can witness the movement of birds in large numbers signifying the start of migration. It is the annual dispersal of birds from the northern hemisphere to the Indian subcontinent including Sri Lanka. “Like our highways, we have nine flyways beyond the world that the waterbirds use for migration,” 

What are the reasons for decline in the number and species of wildlife?
a. Demand for hides and meat
b. Deforestation resulting in lack of food and space
c. Keeping the animals in protected areas
d. Making and supporting laws for conserving the habitats
e. Natural calamities like floods and earthquakes

[RRC GROUP D]

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Pollution is the (1)______ of the environment and the biggest problem across the globe. The major causes of pollution include (2)______ use of motor vehicles, rapid industrialisation, increasing urbanisation, use of chemical fertilisers in agriculture and burning of fossil fuels. It has a (3)______ effect on human health. Air pollution causes respiratory diseases and other diseases related to lungs. Noise pollution impairs the (4)______ senses and causes stress. Water pollution pollutes water, which is mainly harmful for aquatic animals. The responsibility of (5)______ the pollution is in the hands of human beings.

Select the most appropriate option to fill in blank no. 1.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Pollution is the (1)______ of the environment and the biggest problem across the globe. The major causes of pollution include (2)______ use of motor vehicles, rapid industrialisation, increasing urbanisation, use of chemical fertilisers in agriculture and burning of fossil fuels. It has a (3)______ effect on human health. Air pollution causes respiratory diseases and other diseases related to lungs. Noise pollution impairs the (4)______ senses and causes stress. Water pollution pollutes water, which is mainly harmful for aquatic animals. The responsibility of (5)______ the pollution is in the hands of human beings.

Select the most appropriate option to fill in blank no. 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Pollution is the (1)______ of the environment and the biggest problem across the globe. The major causes of pollution include (2)______ use of motor vehicles, rapid industrialisation, increasing urbanisation, use of chemical fertilisers in agriculture and burning of fossil fuels. It has a (3)______ effect on human health. Air pollution causes respiratory diseases and other diseases related to lungs. Noise pollution impairs the (4)______ senses and causes stress. Water pollution pollutes water, which is mainly harmful for aquatic animals. The responsibility of (5)______ the pollution is in the hands of human beings.

Select the most appropriate option to fill in blank no. 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 2.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 1.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 2.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 1.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Pollution is the (1)______ of the environment and the biggest problem across the globe. The major causes of pollution include (2)______ use of motor vehicles, rapid industrialisation, increasing urbanisation, use of chemical fertilisers in agriculture and burning of fossil fuels. It has a (3)______ effect on human health. Air pollution causes respiratory diseases and other diseases related to lungs. Noise pollution impairs the (4)______ senses and causes stress. Water pollution pollutes water, which is mainly harmful for aquatic animals. The responsibility of (5)______ the pollution is in the hands of human beings.

Select the most appropriate option to fill in blank no. 2.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Pollution is the (1)______ of the environment and the biggest problem across the globe. The major causes of pollution include (2)______ use of motor vehicles, rapid industrialisation, increasing urbanisation, use of chemical fertilisers in agriculture and burning of fossil fuels. It has a (3)______ effect on human health. Air pollution causes respiratory diseases and other diseases related to lungs. Noise pollution impairs the (4)______ senses and causes stress. Water pollution pollutes water, which is mainly harmful for aquatic animals. The responsibility of (5)______ the pollution is in the hands of human beings.

Select the most appropriate option to fill in blank no. 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The issue of growing environmental pollution should be considered as one of (1) ______ importance. The environment (2) ______ the air we breathe, the water we drink, the trees and plants that (3) ______ food for us and the animal kingdom. All of these together form the circle of life on earth. Pollution is a process by which natural elements of the earth are negatively (4) ______, causing harm and (5) ______ to this circle of life.

Select the most appropriate option to fill in blank no. 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Apart from other pollutions, noise pollution – also known as environmental noise or sound pollution – is (1) ______ issue related to human beings and the environment. It may have an (2) ______ on general health. Compressors, generators and pipe handling are the (3) ______ of noise. Long-term (4) ______ to noise can (5) ______ a variety of health hazards.

Select the most appropriate option to fill in blank number 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Apart from other pollutions, noise pollution – also known as environmental noise or sound pollution – is (1) ______ issue related to human beings and the environment. It may have an (2) ______ on general health. Compressors, generators and pipe handling are the (3) ______ of noise. Long-term (4) ______ to noise can (5) ______ a variety of health hazards.

Select the most appropriate option to fill in blank number 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Apart from other pollutions, noise pollution – also known as environmental noise or sound pollution – is (1) ______ issue related to human beings and the environment. It may have an (2) ______ on general health. Compressors, generators and pipe handling are the (3) ______ of noise. Long-term (4) ______ to noise can (5) ______ a variety of health hazards.

Select the most appropriate option to fill in blank number 2.

In the following passage, some words have been deleted. Select the most appropriate option to fill in each blank.

Pollution is destroying nature. The smoke that is (1) ______ from the chimneys of the factories, and from vehicles is the mixture of poisonous gases. Due to environmental pollution, there is (2) ______ in nature, so, many birds, animals, and plants are on the verge of (3) ______ day by day. The only way to (4) ______ environmental pollution is to plant many trees. By planting trees, we can get rid of many harmful poisonous gases. It is the responsibility of everyone to (5) ______ and protect our environment.

Select the most appropriate option for blank 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Everything (1) _________ us makes our environment. Living and non-living things form the (2) _________ of our surroundings. Plants, animals and microbes are parts of our environment. Humans have affected the environment in multiple (3) ______ like clearing of forests, building houses and farms, making roads, etc. This is the root (4) _______ of air, water and land pollution on the planet. Ecologists across the globe are making efforts to educate mankind about the (5) _________ of nature, the crisis we face and the methods of managing these crises.

Select the most appropriate option to fill in blank number 1.

In the following passage, some words have been deleted. Select the most appropriate option to fill in each blank.

Pollution is destroying nature. The smoke that is (1) ______ from the chimneys of the factories, and from vehicles is the mixture of poisonous gases. Due to environmental pollution, there is (2) ______ in nature, so, many birds, animals, and plants are on the verge of (3) ______ day by day. The only way to (4) ______ environmental pollution is to plant many trees. By planting trees, we can get rid of many harmful poisonous gases. It is the responsibility of everyone to (5) ______ and protect our environment.

Select the most appropriate option for blank 1.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Everything (1) _________ us makes our environment. Living and non-living things form the (2) _________ of our surroundings. Plants, animals and microbes are parts of our environment. Humans have affected the environment in multiple (3) ______ like clearing of forests, building houses and farms, making roads, etc. This is the root (4) _______ of air, water and land pollution on the planet. Ecologists across the globe are making efforts to educate mankind about the (5) _________ of nature, the crisis we face and the methods of managing these crises.

Select the most appropriate option to fill in blank number 5.

In the following passage, some words have been deleted. Select the most appropriate option to fill in each blank.

Pollution is destroying nature. The smoke that is (1) ______ from the chimneys of the factories, and from vehicles is the mixture of poisonous gases. Due to environmental pollution, there is (2) ______ in nature, so, many birds, animals, and plants are on the verge of (3) ______ day by day. The only way to (4) ______ environmental pollution is to plant many trees. By planting trees, we can get rid of many harmful poisonous gases. It is the responsibility of everyone to (5) ______ and protect our environment.

Select the most appropriate option for blank 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Everything (1) _________ us makes our environment. Living and non-living things form the (2) _________ of our surroundings. Plants, animals and microbes are parts of our environment. Humans have affected the environment in multiple (3) ______ like clearing of forests, building houses and farms, making roads, etc. This is the root (4) _______ of air, water and land pollution on the planet. Ecologists across the globe are making efforts to educate mankind about the (5) _________ of nature, the crisis we face and the methods of managing these crises.

Select the most appropriate option to fill in blank number 2.

In the following passage, some words have been deleted. Select the most appropriate option to fill in each blank.

Pollution is destroying nature. The smoke that is (1) ______ from the chimneys of the factories, and from vehicles is the mixture of poisonous gases. Due to environmental pollution, there is (2) ______ in nature, so, many birds, animals, and plants are on the verge of (3) ______ day by day. The only way to (4) ______ environmental pollution is to plant many trees. By planting trees, we can get rid of many harmful poisonous gases. It is the responsibility of everyone to (5) ______ and protect our environment.

Select the most appropriate option for blank 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Apart from other pollutions, noise pollution – also known as environmental noise or sound pollution – is (1) ______ issue related to human beings and the environment. It may have an (2) ______ on general health. Compressors, generators and pipe handling are the (3) ______ of noise. Long-term (4) ______ to noise can (5) ______ a variety of health hazards.

Select the most appropriate option to fill in blank number 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Everything (1) _________ us makes our environment. Living and non-living things form the (2) _________ of our surroundings. Plants, animals and microbes are parts of our environment. Humans have affected the environment in multiple (3) ______ like clearing of forests, building houses and farms, making roads, etc. This is the root (4) _______ of air, water and land pollution on the planet. Ecologists across the globe are making efforts to educate mankind about the (5) _________ of nature, the crisis we face and the methods of managing these crises.

Select the most appropriate option to fill in blank number 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Everything (1) _________ us makes our environment. Living and non-living things form the (2) _________ of our surroundings. Plants, animals and microbes are parts of our environment. Humans have affected the environment in multiple (3) ______ like clearing of forests, building houses and farms, making roads, etc. This is the root (4) _______ of air, water and land pollution on the planet. Ecologists across the globe are making efforts to educate mankind about the (5) _________ of nature, the crisis we face and the methods of managing these crises.

Select the most appropriate option to fill in blank number 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Apart from other pollutions, noise pollution – also known as environmental noise or sound pollution – is (1) ______ issue related to human beings and the environment. It may have an (2) ______ on general health. Compressors, generators and pipe handling are the (3) ______ of noise. Long-term (4) ______ to noise can (5) ______ a variety of health hazards.

Select the most appropriate option to fill in blank number 1.

In the following passage, some words have been deleted. Select the most appropriate option to fill in each blank.

Pollution is destroying nature. The smoke that is (1) ______ from the chimneys of the factories, and from vehicles is the mixture of poisonous gases. Due to environmental pollution, there is (2) ______ in nature, so, many birds, animals, and plants are on the verge of (3) ______ day by day. The only way to (4) ______ environmental pollution is to plant many trees. By planting trees, we can get rid of many harmful poisonous gases. It is the responsibility of everyone to (5) ______ and protect our environment.

Select the most appropriate option for blank 2.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

There are over 9000 species of birds on this planet (1) ________of which over 1360 are found in India alone. 81 species of birds (2)________endemic to India. Because birds are found everywhere, and in all (3)________zones, their sizes, shapes and wings are (4)________ according to the needs of their habitat. For instance, eagles and hawks have massive soaring wings with primary feather that (5)________out and allow them to soar high in the sky.

Select the most appropriate option to fill in blank number 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

There are over 9000 species of birds on this planet (1) ________of which over 1360 are found in India alone. 81 species of birds (2)________endemic to India. Because birds are found everywhere, and in all (3)________zones, their sizes, shapes and wings are (4)________ according to the needs of their habitat. For instance, eagles and hawks have massive soaring wings with primary feather that (5)________out and allow them to soar high in the sky.

Select the most appropriate option to fill in blank number 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Delhi National Zoological Park, which opened in 1959, is (1.) ________ next to the well-known Old Fort. One of the top zoos in the entire Asian continent, it stands out for its (2.) ________ to give the animals and the birds housed there a habitat that is as close to natural as possible. With a total area of 214 acres, it is perfect for picnics, (3.) ________ in the winter. The National Zoological Gardens in New Delhi are home to over 2,000 different animal and bird (4.) ________. These animals and birds, which originate from many areas such as Africa, America, Australia, etc., (5.) _______ a home at this zoo. The Mughal Kos Minar serves as the Delhi Zoo's entrance.

Select the most appropriate option to fill in blank number 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Delhi National Zoological Park, which opened in 1959, is (1.) ________ next to the well-known Old Fort. One of the top zoos in the entire Asian continent, it stands out for its (2.) ________ to give the animals and the birds housed there a habitat that is as close to natural as possible. With a total area of 214 acres, it is perfect for picnics, (3.) ________ in the winter. The National Zoological Gardens in New Delhi are home to over 2,000 different animal and bird (4.) ________. These animals and birds, which originate from many areas such as Africa, America, Australia, etc., (5.) _______ a home at this zoo. The Mughal Kos Minar serves as the Delhi Zoo's entrance.

Select the most appropriate option to fill in blank number 1.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Delhi National Zoological Park, which opened in 1959, is (1.) ________ next to the well-known Old Fort. One of the top zoos in the entire Asian continent, it stands out for its (2.) ________ to give the animals and the birds housed there a habitat that is as close to natural as possible. With a total area of 214 acres, it is perfect for picnics, (3.) ________ in the winter. The National Zoological Gardens in New Delhi are home to over 2,000 different animal and bird (4.) ________. These animals and birds, which originate from many areas such as Africa, America, Australia, etc., (5.) _______ a home at this zoo. The Mughal Kos Minar serves as the Delhi Zoo's entrance.

Select the most appropriate option to fill in blank number 2.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
One of 1.______ era's greatest scourges is air pollution, on account not only of its impact on climate change 2.______ its impact on public and individual health due to increasing morbidity and mortality. There are 3.______ pollutants that are major factors in disease in humans. Among them, Particulate Matter (PM), particles of variable but very small diameter, penetrate the respiratory system via inhalation, causing respiratory and cardiovascular diseases, reproductive and central nervous system dysfunctions, and cancer. 4.______ the fact that ozone in the stratosphere plays a protective role against ultraviolet irradiation, it is harmful when in high concentration at ground level, also affecting the respiratory and cardiovascular system. Furthermore, nitrogen oxide, sulphur dioxide, Volatile Organic Compounds (VOCs), dioxins, and polycyclic aromatic hydrocarbons are all considered air pollutants that are 5.______ to humans.

Select the most appropriate option to fill in blank no. 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

There are over 9000 species of birds on this planet (1) ________of which over 1360 are found in India alone. 81 species of birds (2)________endemic to India. Because birds are found everywhere, and in all (3)________zones, their sizes, shapes and wings are (4)________ according to the needs of their habitat. For instance, eagles and hawks have massive soaring wings with primary feather that (5)________out and allow them to soar high in the sky.

Select the most appropriate option to fill in blank number 2.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Delhi National Zoological Park, which opened in 1959, is (1.) ________ next to the well-known Old Fort. One of the top zoos in the entire Asian continent, it stands out for its (2.) ________ to give the animals and the birds housed there a habitat that is as close to natural as possible. With a total area of 214 acres, it is perfect for picnics, (3.) ________ in the winter. The National Zoological Gardens in New Delhi are home to over 2,000 different animal and bird (4.) ________. These animals and birds, which originate from many areas such as Africa, America, Australia, etc., (5.) _______ a home at this zoo. The Mughal Kos Minar serves as the Delhi Zoo's entrance.

Select the most appropriate option to fill in blank number 3.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
One of 1.______ era's greatest scourges is air pollution, on account not only of its impact on climate change 2.______ its impact on public and individual health due to increasing morbidity and mortality. There are 3.______ pollutants that are major factors in disease in humans. Among them, Particulate Matter (PM), particles of variable but very small diameter, penetrate the respiratory system via inhalation, causing respiratory and cardiovascular diseases, reproductive and central nervous system dysfunctions, and cancer. 4.______ the fact that ozone in the stratosphere plays a protective role against ultraviolet irradiation, it is harmful when in high concentration at ground level, also affecting the respiratory and cardiovascular system. Furthermore, nitrogen oxide, sulphur dioxide, Volatile Organic Compounds (VOCs), dioxins, and polycyclic aromatic hydrocarbons are all considered air pollutants that are 5.______ to humans.

Select the most appropriate option to fill in blank no. 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Delhi National Zoological Park, which opened in 1959, is (1.) ________ next to the well-known Old Fort. One of the top zoos in the entire Asian continent, it stands out for its (2.) ________ to give the animals and the birds housed there a habitat that is as close to natural as possible. With a total area of 214 acres, it is perfect for picnics, (3.) ________ in the winter. The National Zoological Gardens in New Delhi are home to over 2,000 different animal and bird (4.) ________. These animals and birds, which originate from many areas such as Africa, America, Australia, etc., (5.) _______ a home at this zoo. The Mughal Kos Minar serves as the Delhi Zoo's entrance.

Select the most appropriate option to fill in blank number 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

There are over 9000 species of birds on this planet (1) ________of which over 1360 are found in India alone. 81 species of birds (2)________endemic to India. Because birds are found everywhere, and in all (3)________zones, their sizes, shapes and wings are (4)________ according to the needs of their habitat. For instance, eagles and hawks have massive soaring wings with primary feather that (5)________out and allow them to soar high in the sky.

Select the most appropriate option to fill in blank number 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

There are over 9000 species of birds on this planet (1) ________of which over 1360 are found in India alone. 81 species of birds (2)________endemic to India. Because birds are found everywhere, and in all (3)________zones, their sizes, shapes and wings are (4)________ according to the needs of their habitat. For instance, eagles and hawks have massive soaring wings with primary feather that (5)________out and allow them to soar high in the sky.

Select the most appropriate option to fill in blank number 1.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
One of 1.______ era's greatest scourges is air pollution, on account not only of its impact on climate change 2.______ its impact on public and individual health due to increasing morbidity and mortality. There are 3.______ pollutants that are major factors in disease in humans. Among them, Particulate Matter (PM), particles of variable but very small diameter, penetrate the respiratory system via inhalation, causing respiratory and cardiovascular diseases, reproductive and central nervous system dysfunctions, and cancer. 4.______ the fact that ozone in the stratosphere plays a protective role against ultraviolet irradiation, it is harmful when in high concentration at ground level, also affecting the respiratory and cardiovascular system. Furthermore, nitrogen oxide, sulphur dioxide, Volatile Organic Compounds (VOCs), dioxins, and polycyclic aromatic hydrocarbons are all considered air pollutants that are 5.______ to humans.

Select the most appropriate option to fill in blank no. 5.