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

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

The cell death due to tissue damage is called

Chromosomes can be counted at:

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:

In human cell, average cell cycle is about:

Pairing of homologous chromosomes for tetrad formation starts at

Apoptosis is

Tumors non transferable to other parts are:

Karyokinesis involves division of

Chiasma are most appropriately observed in meiosis during:

The centrioles lie within the:

Cell Death due to tissue damage is called

Phragmoplast is formed by vesicles originated from

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

The reduction division is also called:

Which of the following is not a divisional stage?

Pairing of homologous chromosomes is called as

The pairing of homologous chromosomes is completed in

The significance of mitosis is that it can:

The syndrome having trisomy of chromosome number 18 is

The kinetochore fibres of spindle attach to chromosome at region

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

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

Down's syndrome in human beings is due to:

During cell division the nuclear division is called

The vesicle forming phragmoplast originate during

Cancer is caused mainly by mutation in

Mongolism is also known as

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

Crossing over indicates that chromosomes are:

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

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

Cell grows about twice its size during the phase:

Meiosis & Mitosis are found in:

Bivalents or Tetrads are formed in

The pairing of homologous chromosomes is completed in:

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

Meiosis generally takes place in plants during formation of

Cancer is caused mainly by mutations in:

Synapsis takes place in

Decision for division occurs in a cell at:

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

Karyokinesis involves division of Nucleus and Cytokinesis refers to:

Nerve cells and eye lens cells remaining stage for life time

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

The sequence in the cell cycle is:

The death of cell due to tissue damage is called

It is the period of extensive metabolic activity:

Chromosomal doubling Occurs in

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

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

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

Crossing over occurs during

The cell death due to tissue damage is called

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

Post Mitotic Cell can exit the Cell Cycle during

The Turner syndrome is due to:

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

Unequal separation of chromosomes is called

Cell cycle is:

Full cell cycle in yeast cells has length of:

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

Prolonged prophase is characteristic of:

The main significance of mitosis is that:

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

Amitotic divisions are usually found in:

A female lacking ovaries and germ cells is probably affected with

Which of the following is true?

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

The paired chromosomes repel each other and begin to separate in

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

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

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

Synapsis occurs during

What are the significant happenings of meiosis

Prognmmed and organized process of cell death is also called

The chromosomes became visible, shorter and thick in

Chromosomes appear inside the nucleus at the time of

Length of cell cycle in yeast cells is:

Protein sontlal for chromatin formation:

Inter phase period can be divided into

The linear arrangement of genes is evidenced in:

Molosls is a:

Cancer occurs due to error in

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

Cytoplasm becomes more viscous during:

One the following is not included in karyokinesis:

In non-disjunction chromosomes fail to segregate during

The phragmoplast is organized:

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

For the formation of fragmoplast, the vesicles originate from:

Chromatin network is visible during

G1 (Gap I) is the period of:

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

Microtubules are composed of

Post mitotic cell can exis the cell cycle during phase

Duplication of Nuclear material in the cell initiates the phase: