In 1674, who used a single-lens microscope to examine pond water and observed dozens of protists, which he called 'animalcules', as well as spirogyra, or green algae? [CHSL 2021 Tier I]

Single-celled life forms were discovered by Anton Van Leeuwenhoek in _______. [Combined Graduate Level Examination Tier I 2023]

_________ is the science that studies the structure of the body.
[Constable GD 2021]

In which year did Rudolf Virchow published an essay titled ‘Cellular Pathology’ in which he famously declared that "every cell arises from another cell”? [CHSL 2021 Tier I]

There are ______ main types of cell division. [Combined Graduate Level Examination Tier I 2022]

Robert Hooke discovered the cell in 1665 by observing a ______ under a microscope.
[Constable GD 2021]

In 1879, who observed cell division in salamander embryos, where cells divide at fixed intervals? [CHSL 2021 Tier I]

Which of the following statements about cell cycle is FALSE? [Combined Graduate Level Examination Tier I 2022]

What is the difference between a somatic cell and a reproductive cell? [Junior Engineer 2024 Electrical Paper I]

Who described the algae Spirogyra in 1674 and named the motile organisms Animalcules, meaning ‘little animals’? [SICPO Paper I 2024]

Who among the following scientists discovered free living cells in pond water for the first time? [Junior Engineer 2024 Electrical Paper I]

Choose the correct sequence for central dogma. [CHSL 2021 Tier I]

In the context of cell division, which chromosomal behaviour takes place at the leptotene stage? [Combined Graduate Level Examination Tier I]

In the process of cell division, the formation of phragmoplast between the two daughter nuclei occurs during: [MTS Non Tech Havaldar CBIC and CBN Examination 2023]

In which year did Rudolf Virchow develop his ideas by publishing his famous formula 'Omnis cellula-e cellula', which became a part of the foundation of cell theory? [Junior Engineer 2024 Civil Paper I]

Who was the first person to conduct a systematic study of chromosomes during division and call this process mitosis? [CHSL Exam 2024 Tier I]

Which scientist among the following coined the term ‘protoplasm’ for the fluid substance of the cell?
[Constable GD 2021]

What is the third step in mitosis where non-kinetochore spindle fibres lengthen and elongate the cell? [SICPO Paper I 2024]

When a cell divides by meiosis it produces ______ new cells.
[MTS Non technical and Havaldar Examination 2021]

Robert Hooke discovered ________

[RRB NTPC CBT]

What do you call organisms made of more than one cell?What do you call organisms made of more than one cell?

[SSC GD 2022]

Mendel proposed the law of independent assortment on the basis of __________.

[SSC CHSL 2024]

The phenomenon of the interaction between nonallelic genes at two or more loci resulting in one gene masking the phenotypic expression of another gene, is known as:

[SSC CHSL 2024]

What do you mean by semiconservative DNA replication?

[SSC CHSL 2024]

Which process is sometimes called reduction division because it reduces the number of chromosomes to half the normal number to form sperm and eggs ?

[SSC MTS 2023]

In a dihybrid cross between two heterozygous fruit flies with brown bodies and red eyes (BbEe X BbEe), what will be the probability of getting BBEE genotype?

[SSC CHSL 2024]

In Mendel's experiment, when F1 generation plants were self-pollinated, what was the genotypic ratio?

[RRB NTPC CBT]

When Mendel studied the inheritance of two traits in the pea plant, in what phenotypic ratio did he get for the plants in F2 generation?

[RRB NTPC CBT]

In which year did Wilhelm Johannsen coin the term 'gene' to describe the Mendelian units of heredity?

[SSC CHSL 2024]

Which of the Mendel's laws states that a diploid organism passes a randomly selected allele for a trait to its offspring, such that the offspring inherit one allele from each parent?

[SSC CHSL 2024]

Some features of genes are mentioned below. Which option states the INCORRECT feature of genes?

[RRB NTPC CBT]

Mendel experimented on the basis of several contrasting visual characters of pea plants. Some of them were the following:
(i) Round and wrinkled seeds
(ii) Tall and short plants
(iii) White and purple flowers
Which of the following are recessive characters found in pea plants?

[RRB NTPC CBT]

_______ is the division of the cytoplasm of one eukaryotic cell into two daughter cells.

[SSC MTS 2022]

In the process of cell division, the formation of phragmoplast between the two daughter nuclei occurs during:

[SSC MTS 2023]

Who first postulated that cells are generated from pre-existing cells?

[SSC MTS 2024]

Which term did Robert Hooke coin when he observed slices of cork, under a simple magnifying device?

[SSC GD 2022]

During Which phase of the cell cycle does metabolic changes assemble the cytoplasmic material required for mitosis and cytokinesis?

[SSC CPO 2023]

In which year did Rudolf Ludwig Karl Virchow formulate his famous aphorism 'Omnis cellula-e cellula' which became a part of the foundation of cell theory?

[RRB NTPC CBT]

The scentific study of a cell is called:

[SSC CGL 2019]

Who coined the term ‘protoplasm’?

[RRB NTPC CBT]

In which year did Walther Flemming coined the term ‘chromatin’ for the stained substance found in the cell nucleus?

[SSC CGL 2023]

Who among the following was the first Biologist who discovered cells?

[SSC MTS 2022]

There are_______ main types of cell division.

[SSC CGL 2022]

The division of cytoplasm is known as:

[SSC CHSL 2023]

Alignment of chromosomes in the center of the cell at the equatorial plate constitutes which stage of mitosis?

[RRB NTPC CBT]

Around which year did Robert Brown publish a paper highlighting the presence of a nucleus in plant cells ?

[RRB NTPC CBT]

The bodies of living organisms are made of tiny units called __________.

[SSC MTS 2022]

Which of the following cell divisions is known as reduction division?

[SSC CHSL 2023]

The study of cells is called ______.

[RRB NTPC CBT]

Cells were first observed in cork in 1665.

[SSC MTS 2022]