Question # 1

There are ............ types of aminoacids.

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10

20

30

40

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

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G I

S

M

G2

Felis Tigris is scientific name of ____________

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Cat

Lion

Tiger

Deer

A scientific law is an irrefutable:

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Observation

Theory

Principle

None of these

The .................. is the first part of the large intestine.

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Caecum

Appendix

Colon

Rectum

A protein found in the rod cells of retina of eye is:

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Trypsin

Pepsin

Rhodopsin

None of these

Atherosclerosis is caused due to ............. .

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Hypertension

Smoking

Diabetes

All of above

Which of following set of organisms can synthesize their own food?

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Plants, fungi, protozoans

Fungi, algae, bacteria

Plants, photosynthetic bacteria, algae

Plants, non photosynthetic bacteria algae

Prosthetic groups are:

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Required by all enzymes

Loosely attached with enzymes

Proteins in nature

Tightly bound to enzyme

Plants cells have ______and________, which are not present in animal cells.

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Mitochondria, Chloroplasts

Cell membranes, cell walls

Chloroplasts, nucleus

Chloroplasts, cell wall

What is True about enzymes?

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They make biochemical reactions to proceed spontaneously

They lower the activation energy of a reaction

They are not very specific in their choice of substrates

They are needed in large quantities

Streptomycin is obtained from:

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Bacteria

Virus

Fungi

Microorganisms

Rhizopus reproduces asexually by:

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Binary fission

Budding

Spore formation

Endopore formation

Formation of Nitriates and nit5rates from ammonia is called.

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Nitrification

Ammonification

Denitrification

Assimilation

How many genotypes are possible for the allele ''A'' and ''a'' ?

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two

three

four

seven

Body balance of water, salts, temperature and glucose is termed as:

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Excretion

Tubular

Homeostasis

Re-absorption

The largest part of brain is;

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Forebrain

Midbrain

Hindbrain

Spinal cord

The medicine reduces the pain:

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Aspirin

Quinine

Chloroquinne

Resochin

The weight of human kidney is about.

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5 g

10 g

17 g

27 g

All ecosystems of the world combine to form:

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Community

Population

Biosphere

Competition

The work of genetic engineering started in :

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1944

1955

1945

1943

An example of Rhizome is:

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Onion

Garlic

Ginger

Potato

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