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

For the formation of fragmoplast, the vesicles originate from:

Karyokinesis involves division of

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

The kinetochore fibres of spindle attach to chromosome at region

The syndrome having trisomy of chromosome number 18 is

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

The phragmoplast is organized:

Bivalents or Tetrads are formed in

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

Phragmoplast is formed by vesicles originated from

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

Prolonged prophase is characteristic of:

Chromatin network is visible during

Post mitotic cell can exis the cell cycle during phase

Decision for division occurs in a cell at:

What are the significant happenings of meiosis

Which of the following is true?

The reduction division is also called:

Which of the following is not a divisional stage?

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

Meiosis generally takes place in plants during formation of

Synapsis occurs during

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

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

The linear arrangement of genes is evidenced in:

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

In human cell, average cell cycle is about:

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

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

Cancer is caused mainly by mutation in

Inter phase period can be divided into

In non-disjunction chromosomes fail to segregate during

Crossing over occurs during

Crossing over indicates that chromosomes are:

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:

Cancer is caused mainly by mutations in:

The chromosomes became visible, shorter and thick in

The pairing of homologous chromosomes is completed in

The vesicle forming phragmoplast originate during

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

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

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

Karyokinesis involves division of Nucleus and Cytokinesis refers to:

The significance of mitosis is that it can:

Mongolism is also known as

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

Synapsis takes place in

The Turner syndrome is due to:

Unequal separation of chromosomes is called

Cell grows about twice its size during the phase:

The main significance of mitosis is that:

Tumors non transferable to other parts are:

Cytoplasm becomes more viscous during:

A female lacking ovaries and germ cells is probably affected with

The paired chromosomes repel each other and begin to separate in

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

The death of cell due to tissue damage is called

Cell Death due to tissue damage is called

Pairing of homologous chromosomes is called as

Cancer occurs due to error in

One the following is not included in karyokinesis:

Chromosomes appear inside the nucleus at the time of

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

Prognmmed and organized process of cell death is also called

Protein sontlal for chromatin formation:

The cell death due to tissue damage is called

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

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

G1 (Gap I) is the period of:

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

Chiasma are most appropriately observed in meiosis during:

Meiosis & Mitosis are found in:

Down's syndrome in human beings is due to:

Microtubules are composed of

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

The pairing of homologous chromosomes is completed in:

Post Mitotic Cell can exit the Cell Cycle during

Cell cycle is:

During cell division the nuclear division is called

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

Chromosomes can be counted at:

Duplication of Nuclear material in the cell initiates the phase:

Length of cell cycle in yeast cells is:

Full cell cycle in yeast cells has length of:

Apoptosis is

Amitotic divisions are usually found in:

Pairing of homologous chromosomes for tetrad formation starts at

The cell death due to tissue damage is called

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

Molosls is a:

Nerve cells and eye lens cells remaining stage for life time

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

The centrioles lie within the:

It is the period of extensive metabolic activity:

Chromosomal doubling Occurs in

The sequence in the cell cycle is:

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