Question # 1

A membrane-bounded disc is formed in plant cell to divide cytoplasm, this is called:

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Chloroplast

Phragmoplast

Leucoplast

Chromoplast

Which of the following distinguishes meiosis from mitosis?

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The chromosome number is reduced

Chromosomes undergo crossing over

The daughter cells are genetically different from the parent cell.

All of the above

The class of man is:

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Insecta

Mammalia

Magnoliopsida

Proteobacteria

The division of nucleus is:

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Mitosis

Karyokinesis

Cytokinesis

Meiosis

Which of the following stage of cell division is very different for animal and plant cells?

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Telophase

Metaphase

Anaphase

Cytokinesis

the Genetic variation are produced as a result of .............. .

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Meiosis

Mitosis

Interphase

None

Chromosomes condensation occurs during .............. .

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G1-phase

G2-phase

S-phase

Interphase

The process of mitaosis ensures that:

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Each new cell is genetically different form its parent

Each new cell receives the proper number of chromosomes

Cells which divide at the appropriate tme

Chromosomes replicate without errors

Which of the following structure is absent in animals?

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Spindle

Centrioles

Chromatids

Phragmoplant

Males with two Y chromosomes have more .................. tendensies.

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Citizenship

Criminal

Good

None

Cells of which of the followings are called cancerois cells?

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Malignant tumer

Benign tumer

Both a and b

None of the above

the division of cytoplasm is called ............. .

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Karyokinesis

Cytokinesis

Anaohase

Telophase

................ is similar to mitosis.

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Meiosis I

Meosis II

Interphase

G-phase

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