C-03 — Cell Division

Every cell originates from —

The life of every organism starts with —

Which of the following is a unicellular organism?

Which of the following is NOT a unicellular organism?

How do unicellular organisms multiply?

A giant banyan tree initiates its structure from —

A zygote is formed by —

Cells divide through cell division for —

The two important types of cell division in living beings are —

Consider the following statements about cell division:

Through mitosis, an eukaryotic cell divides into how many daughter cells?

In mitosis, the nucleus and chromosomes divide —

Mitosis is also known as —

Mitosis occurs in which type of cells of eukaryotic organisms?

In plants, mitosis usually takes place in —

Which of the following plant parts is a site of mitosis?

Mitosis also occurs in lower plants and animals during —

The daughter cells produced by mitosis are —

Karyokinesis represents the division of —

Cytokinesis represents the division of —

The stage in which a cell prepares itself before starting division is called —

Mitosis is divided into how many stages for ease of description?

Which of the following is the correct sequence of stages of mitosis?

The first stage of mitosis is —

At the onset of prophase, the nucleus —

Chromatin fibres condense into chromosomes during —

Modern research suggests that condensation of chromosomes in prophase is —

In prophase, each chromosome divides into two —

Sister chromatids in prophase remain attached at the —

In which stage does the spindle apparatus develop in plant cells from fibre protein?

The middle plane of the spindle apparatus is called the —

Spindle fibres are made of —

Kinetochores are protein structures assembled on —

Kinetochores link chromosomes with —

The fibres that attach with chromosomes are also called —

In animal cells, the spindle apparatus is developed from —

Astral rays in animal cells spread out from —

The nuclear membrane and nucleolus start to disintegrate during —

In which stage do all chromosomes assemble at the equator?

In metaphase, the centromere of each chromosome remains on the —

In metaphase, the two arms of each chromosome point towards the —

At the end of metaphase, the division of which structure starts?

The nuclear membrane and nucleolus disappear completely during —

In anaphase, the cleaved centromere moves —

During poleward movement of daughter chromosomes, which part is in the lead?

A chromosome with the centromere in the middle is called —

A V-shaped chromosome at anaphase is —

An L-shaped chromosome at anaphase is —

A J-shaped chromosome at anaphase is —

An I-shaped chromosome at anaphase is —

The last stage of mitosis is —

Telophase is described as a reversal of —

In telophase, chromosomes —

The nuclear reticulum is formed during —

The cell plate is formed in plant cells during —

The cell plate is formed from small parts of the —

In an animal cell, division of cytoplasm is accomplished by —

Consider the following statements about prophase:

Consider the following events in metaphase:

Consider the following statements about telophase:

Mitosis maintains the balance between —

The growth in the body of multicellular organisms occurs through —

Approximately how many cells are there in the human body, according to the text?

If each cell division takes one day, the number of cells of a human can be created in —

Unicellular organisms reproduce through —

Mitosis plays an important role in —

Healing of injuries occurs by formation of new cells through —

Mitotic errors may result in —

Tumour and cancer are results of —

Identical daughter cells from mitosis ensure that —

Consider the following significances of mitosis:

In meiosis, an eukaryotic cell produces how many daughter cells?

In meiosis, the nucleus divides —

In meiosis, the chromosomes divide —

In meiotic daughter cells, the chromosome number compared to the mother cell becomes —

Meiosis is called —

The amount of DNA in meiotic daughter cells becomes about —

If chromosome number of a somatic cell is 4, the chromosome number in a normal zygote (without meiosis) would be —

The state of having half number of chromosomes is called —

Haploid is symbolised as —

When two haploid (n) cells fuse, the resulting state is called —

Meiosis mainly occurs in —

In flowering plants, meiosis occurs in —

In animals, meiosis occurs in —

The two consecutive divisions in meiosis are called —

In meiosis-I, the chromosome number in the daughter cell becomes —

The second division of meiosis (meiosis-II) is essentially —

Because of meiosis, the chromosome number in organisms remains —

Genetic diversity in species is generated during meiosis through —

Xenopus laevis was created when the chromosome set of which species was doubled?

Doubling of chromosome sets in somatic cells of plants like potato is mainly useful because —

Meiosis contributes to genetic variation by —

Genetic variation among members of a species is important because —

If all individuals of a species are too genetically similar, then —

Meiosis evolved because it provides —

Consider the following statements about meiosis:

Consider the following about haploid plants:

In which phase of mitotic cell division does the nucleus enlarge in size?

In meiosis cell division —

In the cell division shown in figure A (mitosis) —

The division in figure B (meiosis) differs from that in figure A (mitosis) because —

Interphase is the stage in which —

Meiosis is called reduction division because —

Which division is called equational division?

Mitosis is called equational division because —

In which phase of mitosis is the spindle apparatus first observed?

Which type of cell division helps heal wounds in organisms?

Reproductive cells are haploid because —

Meiosis creates genetic variation mainly through —

Consider the following about a cell undergoing mitosis: