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

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

During cell division the nuclear division is called

Meiosis & Mitosis are found in:

The main significance of mitosis is that:

Molosls is a:

The pairing of homologous chromosomes is completed in:

G1 (Gap I) is the period of:

The significance of mitosis is that it can:

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

Inter phase period can be divided into

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

Karyokinesis involves division of

The reduction division is also called:

The cell death due to tissue damage is called

The paired chromosomes repel each other and begin to separate in

Cell grows about twice its size during the phase:

Cell cycle is:

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

Duplication of Nuclear material in the cell initiates the phase:

Which of the following is true?

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

The cell death due to tissue damage is called

Mongolism is also known as

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

Decision for division occurs in a cell at:

Apoptosis is

Protein sontlal for chromatin formation:

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

Chiasma are most appropriately observed in meiosis during:

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

The sequence in the cell cycle is:

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

Amitotic divisions are usually found in:

Bivalents or Tetrads are formed in

Chromosomes appear inside the nucleus at the time of

Cancer is caused mainly by mutation in

The chromosomes became visible, shorter and thick in

The vesicle forming phragmoplast originate during

It is the period of extensive metabolic activity:

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

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

Pairing of homologous chromosomes for tetrad formation starts at

Prolonged prophase is characteristic of:

The phragmoplast is organized:

The centrioles lie within the:

Prognmmed and organized process of cell death is also called

Synapsis occurs during

Cancer is caused mainly by mutations in:

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:

Phragmoplast is formed by vesicles originated from

In non-disjunction chromosomes fail to segregate during

Nerve cells and eye lens cells remaining stage for life time

Down's syndrome in human beings is due to:

Length of cell cycle in yeast cells is:

The pairing of homologous chromosomes is completed in

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

The syndrome having trisomy of chromosome number 18 is

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

Post mitotic cell can exis the cell cycle during phase

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

A female lacking ovaries and germ cells is probably affected with

Microtubules are composed of

For the formation of fragmoplast, the vesicles originate from:

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

The linear arrangement of genes is evidenced in:

The kinetochore fibres of spindle attach to chromosome at region

Cytoplasm becomes more viscous during:

Crossing over occurs during

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

In human cell, average cell cycle is about:

The Turner syndrome is due to:

Chromatin network is visible during

Cancer occurs due to error in

Which of the following is not a divisional stage?

Synapsis takes place in

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

Crossing over indicates that chromosomes are:

What are the significant happenings of meiosis

Chromosomal doubling Occurs in

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

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

Chromosomes can be counted at:

Meiosis generally takes place in plants during formation of

Karyokinesis involves division of Nucleus and Cytokinesis refers to:

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

The death of cell due to tissue damage is called

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

Tumors non transferable to other parts are:

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

Post Mitotic Cell can exit the Cell Cycle during

Full cell cycle in yeast cells has length of:

Unequal separation of chromosomes is called

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

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

One the following is not included in karyokinesis:

Pairing of homologous chromosomes is called as