21.

One of the most important functions of botanical gardens is that

• one can observe tropical plants there

• they allow ex situ conservation of germplasm

• they provide the natural habitat for wild life

• they provide a beautiful area for recreation

Enzymes are absent in

• algae

• plants

• virus

• bacteria

Periyar sanctuary is located in

• Madhya Pradesh

• Kerala

• Uttar Pradesh

• Assam

Assertion : Consciousness is considered as the defining property of living organisms.

Reason : All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not correct explanation of assertion

• If assertion is true but reason is false

• If both assertion and reason are false

India is one of the twelve megadiversity countries with of genetic resources of the world

• 12.1%

• 18.1%

• 38.1%

• 8.1%

Which of the following is correctly matched without exception in regard to plant classification?

• Family - Poaceae - ae

• Division - Pteridophyta - phyta

• Class - Bryopsida - sida

• Genus - Solanum - um

The taxon which includes related species is

• class

• order

• family

• genus

Match the following columns and select the correct option.

Column I	Column II
A. Panthera tigris	(i) Mango
B. Magnifera indica	(ii) Common Indian frog
C. Musca domestica	(iii) Cockroach
D. Periplaneta americana	(iv) Tiger
E. Rana tigerina	(v) House fly

• A- (ii); B- (v); C- (i); D- (iii); E- (iv)

• A- (iv); B- (i); C- (v); D- (iii); E- (ii)

• A- (ii); B- (v); C- (iii); D- (i); E- (iv)

• A- (iv); B- (i); C- (v); D- (ii); E- (iii)

National bird of India is

• Psittacula

• Passer domesticus

• Pavo cristatus

• Parakeet

Assertion : Senescence is the time when age associated defects are manifested.

Reason : Certain genes may be undergoing sequential switching on and off during one's life.

• If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

• If both Assertion and Reason are true but the Reason is not the correct explanation of the assertion

• If Assertion is true but Reason is false

• If both Assertion and Reason are false