Question # 1

In the eighteenth century organisms were classified by

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Charles Darwin

Alfred Wallace

Carolus Linnaeus

J.B Lamarck

Endangered species of plants have been recorded to more than

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200

300

400

500

Number of cervical vertebrae in a male camel

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7

11

15

18

Principles of geology was published by.

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Darwin

Lyell

Linnaeus

Lamarck

In hershey & chase experiment, 32p labeled bacteriophages allowed to infect the becteria.During analysis 32 p activity wa detected:

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In culture medium

On the surface of becterial cell

Inside the becteiral cell

Both a and B

Eukaryotes are thought to have first appeared about____billion years ago

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1.2

1.3

1.4

1.5

If an mRNA is synthesized with the differnt codons, what is the minimum number of amino acids in the protein that is formed by the mRNA?

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64 Amino acids

62 Amino acids

60 Amino acids

None of them

The most threatened areas on the earth have been reduced to 44% of their original extent are

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Tropical rain forests

Temperate rain forests

Carbiniferous forests

Deciduous rain forests

If the amount of adenine in DNA of a bacterial cell is 36% of the total nitrogenous bases, what will be the amount of guanone in the DNA of a cell in next generations:

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14 %

28 %

36 %

64 %

Endosymbiont hypothesis explains origin of.

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cell

Prokaryotic cell

Eukaryotic cell

Ribosome

Archaebacteria tolerate temperatures up to

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10^oC

40^oC

67^oC

120^oC

Alfred wallace developed a theory of natural selection essentially.

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Linnaeus's

Darwin's

Mendel's

Lamark's

According to endosymbiont hypothesis, the aerobic bacteria developed into.

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Ribosome

Lysosome

Mitochondria

Golgi apparatus

Archaeobacteria can tolerate temperature upto.

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120 ^oC

140 ^oC

160 ^oC

180 ^oC

Lyell published the principle of.

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Population

Community

Geology

Blome

Among the birds Drawin collected 13 types of

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Finshes

Robins

Ferrets

Pterodactyls

In human Eustachian tubes connect middle ear with

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Nose

Eye

Throat

Brain

Which of the following is vestigla organ of whale.

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Pelvis

Leg bones

Pelvis and leg bones

Lungs

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