Question # 1

Biogeography is the geographical distribution of.

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Phylum

species

Genera

Classes

Principles of geology was published by.

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Darwin

Lyell

Linnaeus

Lamarck

Homologous structures represent.

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Convergent evolution

Analogy

divergent evolution

Functional similarity

In man the vestigial organs are

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Ear muscles

Nictitating membrane

Coccyx

All a,b and c

Among the birds Drawin collected 13 types of

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Finshes

Robins

Ferrets

Pterodactyls

In natural selection, the environment plays role affecting the proportions of gene in .

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Population

Community

Area

Blome

Endosymbiont hypothesis explains origin of.

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cell

Prokaryotic cell

Eukaryotic cell

Ribosome

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

The ultimate source of change is.

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Evolution

Mutation

Genetic drift

Migration

In Griffith experiment mice developed pneumonia when they were injected with:

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R-type bacteria

Heat killed S-type bacteria

Heat killed R-type bases

Heat killed S-type becteria along with live R-type becteria

Which one of the following is endangered in Pakistan.

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Indian rhino

Indus Dolphin

tiger

Cheer pheasant

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 %

Armadillos the armoured mammals live only in the

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Africa

America

Europe

Asia

Some amoeboflagellates ingested cyanobacteria and led to the development of

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Mitochondria

Golgi apparatus

Chloroplasts

Vacuoles

Eukaryotes are thought to have first appeared about____billion years ago

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1.2

1.3

1.4

1.5

Darwin's origin of species was published in.

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1840

1859

1865

1890

In mitochodria UGA codon act to specify __________ instead stop codon:

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Argenine

Valine

Glumatic acid

Trytophan

A group of bacteria that can tolerate temperate upto 120 ^oC

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Eubacteria

Mycoplasma

Archaebacteria

E.Coli

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

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