Question # 1

Nuclei of human cell contain ............ autosomes.

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23 pairs

22 pairs

12 pairs

14 pairs

When chemical bound broken energy is .............. .

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Released

Formed

Both

None of them

Minimum energy required to start a chemical reaction is called:

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Potential energy

Chemical energy

Activation energy

All are same

Specific enzymes are synthesized in:

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G₀

G₂

G₁

S phase

Forests are the source of:

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Drugs

Fuel

Timber

All of these

Biodiversity means :

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Variety with in a species

Variety among the species

Variety within a species and among the species

None of these

What is correct about human red blood cells?

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Have limited life span

Are capable of phagocytosis

Produce antibodies

Are multinucleate

Examples of protists are _____________

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Protozoan

Euglena

Bacteria

Bath a & b

Redox reactions involve exchange of ____________

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Electrons

Protons

Neutrons

Atoms

Cells walls are found in these organisms, except for______.

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Plants

Animals

Bacteria

Fungi

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

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5

3

7

4

The characteristics of kingdom Monera are _____________

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Unicellular

Prokyrotes

Simplest

All of the above

Scientific law is interchangeable with :

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Hypothesis

Theory

Deduction

Observation

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