Question # 1

The major process that brings carbon from atmosphere into living world is:

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Photosynthesis

Respiration

Both a and b

None of these

In mammals, the number of bones in lower jaw are:

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Only one

3

4

2

The rate of breathing at rest in human is:

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16-20 times per minute

70-80times per minute

80-100times per minute

10 -20 times per minute

Bables are born with soft bones:

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300

256

200

206

Enssential process for continuation of species is:

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locomotion

reproduction

respiration

cloning

conversion of the nitrogen gas into nitrates is called.

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Denitrification

Nitrogen fixation

Assimilation

Ammonification

The parts of the body which receive massages from coordinator and produce particular responses are called:

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effectors

coordinators

neurons

hormones

In case of tetanus vaccination which is for limited time___ are used for continuous protection.

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B.Lymphocytes

Booster shots

Antibiotics

None of these

It is a homozygous genotype:

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AA

aa

Aa

both A and B

Arthritus means:

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fracture

inflammation

crystallization

deficiency of calcium

Osteoporosis is a disease of:

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Liver

Stomach

Heart

Bones

Largest unit of Ecology is.

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Species

Community

Ecosystem

Biosphere

Which of the following is called voice box?

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Trachea

Larynx

Bronchi

Alveoli

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