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12th Biology Weekly Test - 2 ( Zoology - Evolution )

St. Britto Hr. Sec. School - Madurai

12th Biology Weekly Test - 2 ( Zoology - Evolution )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

________________ Was the first human like being

Homo habilis
Homo erectus
Homo sapiens
Homo erectus

Origin of first man like apes occured in ______________ epoch

Oligocene
Miocene
Pliocene
Paleocene

Darwin's finches in Galapagos islands and Australian Marsupials are the example of

Industrial mechanism
Reproductive isolation
Genetic recombination
Adaptive recombination

Theory of chemical evolution was proposed by ___________________

Stanley
Urey
Lamarck

_____________ was not a part of theory of chemical evolution.

Sea served as chemical laboratory
Oxygen was not present
Physical forces such as UV, lightning contributed to changes.
Solar energy was not available

Founder's effect is related to

Genetic drift
Gene mutation
Extinction
Artificial selection

Sudden appearance of vestigial organs in highly evolved organisms is called

Vestigial organs
Connecting link
Atavistic organs
Adaptive radiation

Lamarck theory was disproved by _______________

Weinberg
August Weismann
Haeckel
Wallace

The golden age of reptiles was

Mesozoic era
Cenozoic era
Paleozoic era
Proterozoic era

Emergence of modern birds occurred in _____________ period.

Devonian
Silurian
Jurassic
Cretaceous

The first life on earth originated

in air
on land
in water
on mountain

The solar system is estimated to be _______________years old.

4.5 billion years
4 billion years
4.5 trillion years
6.4 billion years

The factor which affects Hardly Weinberg equation

Gene flow
Random mating
No mutation
none of the above

Choose the correct sequence

Ordovician, Triassic, Permian, Cretaceous
Devonian, Permian, Cretaceous, Cambrian
Devonian, Triassic, Cretaceous, Ordovician
Silurian, Devonian, Permian, Triassic

Biogenetic law was proposed by.

Angust Weismann
Ernst von Haeckel
Wallace
Heinvich

The term biogenesis was coined by

Thomas Huxley
Henry Bastian
Haldane
Weinberg

Human evolution occured in _____________ era

Paleozoic
Cenozoic
Mesozoic
Precambrian

All the following are examples of ontogeny recapitulates phylogeny. Except

Tubular heart
Appearance of pharyngeal gill slits
Yolk sac
Appearance of tail in human body

____________ era is called Golden age of reptiles.

Paleozoic
Mesozoic
Precambrian
Cenozoic

Which of the following is not a chromosomal mutation.

Deletion
Translation
Point mutation
Addition

Part - B

Generic 5 - Answer All Question

Mention any three similarities found common in Neanderthal man and
Homo sapiens.

According to Darwin, the organic evolution is due to [AIPMT-2013]
a) Intraspecific competition
b) Interspecific competition
c) Competition within closely related species.
d) Reduced feeding efficiency in one species due to the presence of interfering species.

Rearrange the descent in human evolution
Austrolopithecus → Homo erectus → Homo sapiens → Ramapithecus → Homo habilis.

A population will not exist in Hardly- Weiberg equilibrium if [AIPMT-2015]
a) Individuals mate selectively
b) There are no mutations
c) There is no migration
d) The population is large

How does Neanderthal man differ from the modern man in appearance?

Differentiate between the eating habit and brain size of Australopithecus and Ramapithecus.

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