Question # 1

The allele which is not expressed is called.

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Dominant

Phenotype

Genotype

Recessive

Cytocine always pairs with:

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Guanine

Adenine

Uracil

Thymine

500,000 sheep brains were required to produce how much miligram human growth hormone?

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5

10

15

20

An organism that actively hunts other organisms is called.

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Prey

Predator

Parasite

Host

Insulin and glucagon are produced in the .

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Hypothalamus

Anterior pituitary

Liver

Pancreas

The process of gaseous exchange involves.

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Break down of C-H bounds to yield energy.

Physical movements that take air ain and our of body

Getting oxygen from the air and removing carbon dioxide

Transport of oxygen by the blood to different parts of the body.

In human body cells the number of chromosomes present are:

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23

46

52

48

R-2 means.

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Reduce

Recycle

Renewable

Reuse

Amount of nitrogen in expired air is:

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70%

80%

79%

4%

The respiratory disease that is the destruction of the walls of Alveoli is;

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Asthma

Pneumonia

Emphysema

Bronchitis

What percentage of oxygen inhaled form air during breathing?

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21%

22%

23%

24%

When Sir Alexander Fleming was awarded by Nobel prize on the discovery of penicillin?

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1881

1955

1945

1912

A network of all the feeding relationships in an ecosystem is called.

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Food chain

Food web

Trophic level

Energy flow

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