Question # 1

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

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Meiosis

Mitosis

Interphase

None

Chromatains are condensed during:

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Anaphase

Prophase

Anaphase

Metaphase

In which stage of the cell cycle each chromosome is duplicated and so it consists of two chromatids?

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GI

S

M

G2

The cell death due to tissue damage is:

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Apoptosis

Necrosis

Metastasis

Synapsis

Uncoiling of chromosomes take place during:

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Anaphase

Telophase

Anaphase

Metaphase

The scientific name of human being is:

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Homo sapiens

Pisum sativum

Amanta

E. coli

Presence of third copy of homoglus chromosomes in the cell is called ........... .

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Monosomy

Disomy

Trisomy

Tetra somy

RNA, ribosomes and enzyme are synthesized during .............. .

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G2-phase

S-phase

G1-phase

Inretphase

The class of man is:

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Insecta

Mammalia

Magnoliopsida

Proteobacteria

Which phase of meiosis is similar to mitosis?

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Prophase I

Telophase II

Meiosis I

Meiosis II

Programmed cell death is called ............... .

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Apoptosis

Necrosis

Both a & b

None

Prior to cell division, each chromosome replicates or duplicates its genetic material. The products are connected by a centromere and are called:

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Sister chromosomes

Homologous Chromosomes

Non-sister chromatids

Sister chromatids

The condensation of chromosomes is completed during:

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Telophase

Prophase

Anaphase

Metaphase

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Biology 9th Class English Medium Chapter 5 Online Test MCQs With Answers

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