Question # 1

Membrane stack is chloroplast is called:

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Sturma

Granum

Both

None

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

When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?

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All active site have been occupied by substrate molecules

The enzyme molecule have denatured

More substrate acted as inhibitor

More substrate has disturbed the pH of the medium

Necrosis is:

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Division of cells

Suicide of cells

Cell death by tissue damage

Weakness of cells

The that is needed to initiate chemical reaction that energy is called ................... . energy.

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Kinetic

Potential

Activation

None

In biological experiments, testing of hypothesis is based upon:

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Observation

Hypothesis

Data

Law

In adult human, the esophagus is about _____________ long.

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25 cm

25 mm

25 m

25 ft

Type of spindle fibre which attaches the chromosomes is called:

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Kinetochore

Non Kinetochore

Bot a and b

Centromere

An example of organ is

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Neuron

electron

Carbon

Stomach

Are the major source of energy .

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Protein

Lipid

Crabohydraets

Vitamins

Cell wall is present in ............... cell.

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Plant

Animal

Both

None

Which disease (s) is/are caused due to deficiency of vitamin D?

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Scurvy

Rickets

Osteomalacia

Rickets & osteomalacia

The 6-carbon compounds during the dark reactions of photosynthesis split into ____________ carbon compound.

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5

3

7

4

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