Question # 1

In every kidney no. of Nephrons is about.

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10 Lac

5 Lac

More than 10 Lac

More than 5 Lac

There are how many pairs of homologous chromosomes in human body cell?

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22

23

40

46

DNA is surronded by a protein and form a structure called:

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Nucleotide

Nucleoside

Nucleosome

Nucleus

The role of antiseptics is:

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Destroy micro organisms

Kill bacteria

Inhibit bacteria

Reduce infections

Where does the gaseous exchange occur in humans:

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Pharynx

Larynx

Trachea

Epiglottis

Cartilage is absent in:

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larynx

trachea

bronchi

bronchioles

the actual location of gene on chromosome is:

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Locus

Karyotype

Chromatids

Centromere

Cranial bones are:

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8

9

10

22

Which gas us absorbed through stomata of plant during night?

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Carbon dioxide

Oxygen

Nitrigen

Hydrogen

Ginger produces by:

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Bulbs

Corns

Rhizomes

Stem tubers

Inherited characters are called.

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Genes

Traits

Genetics

Fertilization

Abiotic component of the ecosystem is.

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Producers

Consumers

Decomposers

Light

Endoparasite is.

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Leech

Lices

Ascaris

Mosquito

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