Question # 1

Chromatin material is made of.

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DNA

Protein

RNA

DNA and protein

The sensory part of ear is:

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Succulus

Stapes

Vestibule

Cochlea

Biospher surrounding the earth is about:

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17 km

18 km

19 km

20 km

A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.

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Symbiosis

Competition

Predation

Mutualism

Sedation thinking can develop by using for a long time.

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Sedatives

Morphine

Antibiotics

Merijuana

Which part of flower is changed into fruit?

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Ovule

Ovary

Petals

Anther

A community and its biotic components is known as:

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Biosphere

Habitat

Ecosystem

Food web

Abiotic component of the ecosystem is.

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Producers

Consumers

Decomposers

Light

Alcoholic fermentation is carried out by.

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Yeast

Bacteria

Virus

Algae

How many pairs of homologous chromosomes are present in human body cells:

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22

23

24

25

Which one of the following have exoskeleton?

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Arthpods

Birds

Mammals

Reptiles

Edward Jenner first introduced the world's first:

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Vaccination

Antigen

Antibiotics

Addicitive drugs

All these are the parts of axial skeleton of human except:

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Ribs

Shoulder girdle

Sternum

Vertebral Column

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