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

Prognmmed and organized process of cell death is also called

Karyokinesis involves division of

Decision for division occurs in a cell at:

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

Bivalents or Tetrads are formed in

The reduction division is also called:

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

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

Duplication of Nuclear material in the cell initiates the phase:

The significance of mitosis is that it can:

Which of the following is true?

Amitotic divisions are usually found in:

Cancer occurs due to error in

Meiosis generally takes place in plants during formation of

Chromosomes appear inside the nucleus at the time of

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

Microtubules are composed of

The paired chromosomes repel each other and begin to separate in

A female lacking ovaries and germ cells is probably affected with

Phragmoplast is formed by vesicles originated from

Apoptosis is

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

The linear arrangement of genes is evidenced in:

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

The cell death due to tissue damage is called

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

Prolonged prophase is characteristic of:

Synapsis takes place in

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

Unequal separation of chromosomes is called

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:

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

Chiasma are most appropriately observed in meiosis during:

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

The centrioles lie within the:

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

Length of cell cycle in yeast cells is:

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

Synapsis occurs during

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

Cell cycle is:

The chromosomes became visible, shorter and thick in

For the formation of fragmoplast, the vesicles originate from:

Crossing over occurs during

Which of the following is not a divisional stage?

Chromosomal doubling Occurs in

Pairing of homologous chromosomes for tetrad formation starts at

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

Cancer is caused mainly by mutations in:

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

Post mitotic cell can exis the cell cycle during phase

The syndrome having trisomy of chromosome number 18 is

The kinetochore fibres of spindle attach to chromosome at region

Inter phase period can be divided into

Pairing of homologous chromosomes is called as

The pairing of homologous chromosomes is completed in

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

The pairing of homologous chromosomes is completed in:

Chromatin network is visible during

Meiosis & Mitosis are found in:

Full cell cycle in yeast cells has length of:

Nerve cells and eye lens cells remaining stage for life time

The vesicle forming phragmoplast originate during

The main significance of mitosis is that:

In non-disjunction chromosomes fail to segregate during

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

Crossing over indicates that chromosomes are:

Cancer is caused mainly by mutation in

Cytoplasm becomes more viscous during:

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

The Turner syndrome is due to:

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

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

Protein sontlal for chromatin formation:

Tumors non transferable to other parts are:

Post Mitotic Cell can exit the Cell Cycle during

Karyokinesis involves division of Nucleus and Cytokinesis refers to:

The phragmoplast is organized:

It is the period of extensive metabolic activity:

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

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

Mongolism is also known as

Down's syndrome in human beings is due to:

Molosls is a:

Cell Death due to tissue damage is called

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

During cell division the nuclear division is called

The sequence in the cell cycle is:

What are the significant happenings of meiosis

One the following is not included in karyokinesis:

The cell death due to tissue damage is called

G1 (Gap I) is the period of:

Cell grows about twice its size during the phase:

Chromosomes can be counted at:

In human cell, average cell cycle is about: