11.  Which of the following is correct statement ?

A. uromatrix lizard stores water in the intestine

B. Camel stores water in its stomach

C. Anabus develops accesary respiratory organs to respire in water.

D. Kangaroo rat undegeoes hibernation.

Answer : Option C

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12.  Parasitic animal which is part of bio-geo community and included as zoo planktons and mesofauna of tenestrial ecosystem is ....

A. Moles

B. mites

C. Earthworms

D. leech

Answer : Option B

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13.  From the given option which is the appropriate for ecto parasite animal Ascaris, Tapeworm, plas modium, mites

A. phytoplanktons

B. mesofauna

C. macrofauna

D. phytoplanktons and mesofauna.

Answer : Option C

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14.  Which living organism is seen in the hot water spring having temperature more than 100 C?

A. Methanogens

B. Thermoacidophils

C. Helophytes

D. spirokit

Answer : Option B

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15.  Find out population density. Since last 4 years number of lions in a squre forest is 500 (length of forest =10 km)

A. 1.25 lions/year . k \(m^{2}\)-- year

B. 12.5 lions/ k \(m^{2}\)

C. 1.025 lions/ \(cm^{2}\) month

D. 12.5 lions/k \(m^{2}\) - month

Answer : Option A

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16.  Average human population in a certain time area is 5000 in which 1111 children are produced during an years, find out the birth rate ?

A. 0.1111

B. 0.3333

C. 0.2222

D. 0.4444

Answer : Option C

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17.  In birthrate and deathrate is equal, then what will be the Vital Index ?

A. = 1

B. = 100

C. >100

D. <100

Answer : Option B

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18.  

Which option is correct for the given statement .
Statement X : Density dependent factors are intrinsic Reason R : They are generated in
population only

A. Both statement are true

B. Both statement are false

C. X is true, y is false

D. X is false, Y is true

Answer : Option A

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19.  

In a population of frog ‘J’ type of population growth curve is seen than which
information from the given graph can be true for “ point A”

(i) Vital Index < 100
(ii) Birth rate < death rate
(iii) Birht rate > death rate

A. I

B. II, III

C. I, III

D. I, II

Answer : Option D

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20.  

The given graph shows seasonal changes in the population of Birds of Gujarat in the
year 2002. In the given graph what is true for point X ?

A. Vital Index <100

B. Vital Index >100

C. Vital Index =100

D. None of these

Answer : Option D

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