Question # 1

Endangered species of plants have been recorded to more than.

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300

500

600

800

Some amoeboflagellates ingested cyanobacteria and led to the development of

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Mitochondria

Golgi apparatus

Chloroplasts

Vacuoles

In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :

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Top

Bottom

Intermediate

Top & intermediate

Evolutionary relationships among species are reflected in their

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DNA and proteins

Emigration

Immigration

Inheritance

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 %

Gene pool consists of all alleles at all gene loci in all individuals of the

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Family

Clan

Population

Community

Who believed in the theory of special creation.

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Lamark

Darwin

Carolus Linnaeus

Hyell

Lyell published the principle of.

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Population

Community

Geology

Blome

Book "The origin of species" was written by.

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Linnaeus

Darwin

Wallace

Lamark

Zoos and botanical gardens are to save species whose extinction is.

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Parmanent

dominant

Imminent

Prominent

Alfred wallace developed a theory of natural selection essentially.

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Linnaeus's

Darwin's

Mendel's

Lamark's

Some individuals leave behind more progeny than others and teh rate at which they do so is affected by their inherited characteristics. This is called.

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Non random mating

Selection

Migration

Mutation

In the eighteenth century organisms were classified by

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Charles Darwin

Alfred Wallace

Carolus Linnaeus

J.B Lamarck

Which one of the following is endangered in Pakistan.

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Indian rhino

Indus Dolphin

tiger

Cheer pheasant

Interatrial vertebrates, the gill pouches develop into.

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Gills

Lungs

Nose

Eustachian tube

The total aggregate of genes in a population at any one time is called the populations gene

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Puddle

Lake

Pool

Pond

Among the birds Drawin collected 13 types of

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Finshes

Robins

Ferrets

Pterodactyls

Number of cervical vertebrae in a male camel

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7

11

15

18

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