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

The death of cell due to tissue damage is called

Unequal separation of chromosomes is called

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

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

Chromosomal doubling Occurs in

The Turner syndrome is due to:

The paired chromosomes repel each other and begin to separate in

Length of cell cycle in yeast cells is:

Prognmmed and organized process of cell death is also called

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

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

In non-disjunction chromosomes fail to segregate during

Synapsis occurs during

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

Which of the following is true?

Tumors non transferable to other parts are:

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

Cell Death due to tissue damage is called

Post mitotic cell can exis the cell cycle during phase

Pairing of homologous chromosomes is called as

Chromatin network is visible during

Bivalents or Tetrads are formed in

The phragmoplast is organized:

The cell death due to tissue damage is called

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

The chromosomes became visible, shorter and thick in

The cell death due to tissue damage is called

Mongolism is also known as

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

In human cell, average cell cycle is about:

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

The vesicle forming phragmoplast originate during

During cell division the nuclear division is called

The significance of mitosis is that it can:

Pairing of homologous chromosomes for tetrad formation starts at

Cancer is caused mainly by mutations in:

Post Mitotic Cell can exit the Cell Cycle during

Karyokinesis involves division of

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

Chiasma are most appropriately observed in meiosis during:

One the following is not included in karyokinesis:

What are the significant happenings of meiosis

Meiosis generally takes place in plants during formation of

A female lacking ovaries and germ cells is probably affected with

The pairing of homologous chromosomes is completed in

Cancer occurs due to error in

The kinetochore fibres of spindle attach to chromosome at region

Down's syndrome in human beings is due to:

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

Duplication of Nuclear material in the cell initiates the phase:

The reduction division is also called:

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

The main significance of mitosis is that:

Which of the following is not a divisional stage?

Cytoplasm becomes more viscous during:

The syndrome having trisomy of chromosome number 18 is

Chromosomes can be counted at:

Cancer is caused mainly by mutation in

Apoptosis is

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

Crossing over occurs during

Amitotic divisions are usually found in:

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

The linear arrangement of genes is evidenced in:

Karyokinesis involves division of Nucleus and Cytokinesis refers to:

Chromosomes appear inside the nucleus at the time of

Meiosis & Mitosis are found in:

Nerve cells and eye lens cells remaining stage for life time

Prolonged prophase is characteristic of:

Microtubules are composed of

G1 (Gap I) is the period of:

Inter phase period can be divided into

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

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

Crossing over indicates that chromosomes are:

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

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

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

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

The pairing of homologous chromosomes is completed in:

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

Phragmoplast is formed by vesicles originated from

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:

Full cell cycle in yeast cells has length of:

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

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

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

Cell grows about twice its size during the phase:

Protein sontlal for chromatin formation:

The sequence in the cell cycle is:

For the formation of fragmoplast, the vesicles originate from:

Molosls is a:

Synapsis takes place in

Cell cycle is:

It is the period of extensive metabolic activity:

Decision for division occurs in a cell at: