Question # 1

The size of a virus is _____________

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40-50 nm

20-40 nm

10-40 nm

30-50 nm

.............. have no membrane bounded nucleus.

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Prokaryotic cells

Eukaryotic celss

Both

NOne

Which one is not related to protista?

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Algae

Protozoans

Bacteria

Fungi like organisms

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

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G1-phase

G2-phase

S-phase

Interphase

The thin extensions of the inner mitochondrial membrane are known as ______.

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Cristae

Matrix

Thylakoids

Stroma

The first step in the cycle of an enzyme is;

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Substrate binds to enzyme

Substrate converted

Products released

Enzyme become free

The ileum is about ................ meters long.

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2.6

2.5

2.4

2.3

Example of Micromolecules is.

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Glucose

Starch

Lipids

Protein

A testable statement is (a/an)

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Observation

Hypothesis

Theory

Law

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

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Apoptosis

Necrosis

Both a & b

None

Cellular organization is absent in:

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Viruses

Bacteria

Algae

Protozoans

The chromosomes are arranged along the equator of spindle in:

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Prophase

Telophase

Anaphase

Metaphase

What happens when a mismatched blood group is injected in recipient?

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Antibodies of the recipient's blood destroy donor's RBCs

Antibodies of the donor's blood breakdown recipient's RBCs

Both of these can happen

None of these and such transfusion can be safe

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