Question # 1

The change of frequency of alleles at locus that occur by chance is called.

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Mutation

Migration

Genetic drift

Selection

The ultimate source of change is.

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Evolution

Mutation

Genetic drift

Migration

Biogeography is the geographical distribution of.

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Phylum

species

Genera

Classes

Which of the following is vestigla organ of whale.

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Pelvis

Leg bones

Pelvis and leg bones

Lungs

If all members of a population are homozygous for the same allele that allele is said to be

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Multiple allele

Jumping gene

Fixed in the gene

Perfect gene

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

Which one of the following is endangered in Pakistan.

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Indian rhino

Indus Dolphin

tiger

Cheer pheasant

Hardy Weinberg's theorem describes the frequencies of genotype of non evolving.

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Family

Population

Species

Community

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 %

In human Eustachian tubes connect middle ear with

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Nose

Eye

Throat

Brain

In man the vestigial organs are

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Ear muscles

Nictitating membrane

Coccyx

All a,b and c

Eukaryotes are thought to have first appeared about____billion years ago

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1.2

1.3

1.4

1.5

Inheritance of acquired characteristics was proposed by

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Darwin

Mendel

Lamarck

Mathus

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

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

Endangered species of plants have been recorded to more than

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200

300

400

500

Among the birds Drawin collected 13 types of

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Finshes

Robins

Ferrets

Pterodactyls

More Classes

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Biology FSC Part 2 Chapter 24 Online MCQ's Test MCQs With Answers

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