Biology Chapter No. 7 CELL CYCLE 2nd Year Online MCQs

In non-disjunction chromosomes fail to segregate during

The death of cell due to tissue damage is called

The period of life cycle of cell between two consecutive divisions is termed as

The significance of mitosis is that it can:

The cell death due to tissue damage is called

How many times mitotic divisions will take place to produce 512 cells from a single parent cell

The number of sets of microtubules originate from each pair of centriole is

Crossing over indicates that chromosomes are:

Which of the following Is the longest phase In cell division?

The phragmoplast is organized:

The centrioles lie within the:

The microtubule is composed of traces of RNA and protein called:

Cell grows about twice its size during the phase:

Chromosomal doubling Occurs in

Meiosis generally takes place in plants during formation of

The Syndrome in which individual has short stature, webbed neck, with out ovaries and complete absence of germ cells is

The sex chromosomes of the person affected with Klinefelter syndrome is:

The pairing of homologous chromosomes is completed in

Mental retardation is one of the most important characteristic of the human individuals affected with:

Inter phase period can be divided into

Prognmmed and organized process of cell death is also called

Cytoplasm becomes more viscous during:

The sequence in the cell cycle is:

The chromosomes became visible, shorter and thick in

Nerve cells and eye lens cells remaining stage for life time

When chromosomes reach to the poles, the phase starts is:

The spindle fibers are composed of traces of RNA 8, a protein called:

Decision for division occurs in a cell at:

Synapsis occurs during

Molosls is a:

The kinetochore fibres of spindle attach to chromosome at region

The spread of tumor cells and establishment of secondary area of growth is known as

In which stage of prophase-I, crossing over occurs:

Duplication of Nuclear material in the cell initiates the phase:

Which of the following is not a divisional stage?

Pairing of homologous chromosomes for tetrad formation starts at

Unequal separation of chromosomes is called

G1 (Gap I) is the period of:

The linear arrangement of genes is evidenced in:

Down's syndrome in human beings is due to:

Post Mitotic Cell can exit the Cell Cycle during

The paired chromosomes repel each other and begin to separate in

Chromosomes can be counted at:

Mongolism is also known as

Cell cycle is:

Crossing over occurs during

Phragmoplast is formed by vesicles originated from

Bivalents or Tetrads are formed in

Amitotic divisions are usually found in:

Each chromosome when visible consists of two unseparated replicas known as:

Cancer is caused mainly by mutations in:

In prophase, the chromosomes condense & become shorter & thicker:

Prolonged prophase is characteristic of:

The microtubules which originate from the centrioles during mitosis in animal cell give rise to:

Karyokinesis involves division of

Cell Death due to tissue damage is called

The microtubules of mitotic apparatus are composed of protein tubulin and traces of:

Post mitotic cell can exis the cell cycle during phase

Synapsis takes place in

Cancer is caused mainly by mutation in

Chromosomes appear inside the nucleus at the time of

In human cell, average cell cycle is about:

The cell death due to tissue damage is called

The plane of new wall formation in a dividing cell is determined by:

The pairing of homologous chromosomes is completed in:

The reduction division is also called:

The syndrome having trisomy of chromosome number 18 is

The difference in the division of a plant cell and animal cell is:

Pairing of homologous chromosomes is called as

The vesicle forming phragmoplast originate during

Chiasma are most appropriately observed in meiosis during:

Which of the following is true?

Which one sub-stage of prophase-I of meioses-I lasts for days, weeks or even years?

The tumor which is localized and not transferred to other body parts

Cancer occurs due to error in

In which phase of mitosis the chromatids of chromosomes separates from each other

What are the significant happenings of meiosis

Special type of cell division in which the number of chromosomes in daughter cells is reduced to half as compared to parent cell is called as:

During cell division the nuclear division is called

Chromatin network is visible during

It is the period of extensive metabolic activity:

In the case of human cell, average cell cycle is about

Protein sontlal for chromatin formation:

The period of cell cycle between two consecutive divisions is termed as:

Meiosis & Mitosis are found in:

Karyokinesis involves division of Nucleus and Cytokinesis refers to:

Which tumor is delocalized or has branches other than site of origin

For the formation of fragmoplast, the vesicles originate from:

Microtubules are composed of

Apoptosis is

A female lacking ovaries and germ cells is probably affected with

Length of cell cycle in yeast cells is:

The Turner syndrome is due to:

One the following is not included in karyokinesis:

Full cell cycle in yeast cells has length of:

Tumors non transferable to other parts are:

The main significance of mitosis is that: