51.  

A. x = Exchange Place y = Consumer z = Population

B. x = Exchange Place y = Population z = Mclro Organism

C. x= Biotic Community y = Population z = Consumer

D. x = Exchange Place y = Biotic Community z = Consumer

Answer : Option D

View Answer

52.  What is responsible for change in the size of population of any particular area ?

A. Availability of food.

B. Predation

C. Predation

D. All three

Answer : Option D

View Answer

53.  In one forest maximum 500 lions can be allowed with than what does 500 indicate ?

A. Maximum birth rate

B. Population of lion

C. Carrying Capacity of Population

D. Realed birth rate

Answer : Option C

View Answer

54.  At which vital index population is stable ?

A. 1

B. 0

C. Infinitive

D. 100

Answer : Option D

View Answer

55.  In any of the ecosystem man can be....

A. Primary Consumer

B. Producer

C. Secndary Consumer

D. a & c

Answer : Option D

View Answer

56.  If earth is considered a unit region then biosphere can be compared to....

A. Eco-System

B. Biotic Community

C. Population

D. Species

Answer : Option B

View Answer

57.  If earth is considered a unit region then it can be compared to....

A. Eco-System

B. Population

C. Biotic Community

D. Species

Answer : Option A

View Answer

58.  Who accepts the nutrient released in environment by docomposer ?

A. Consumers

B. Producers

C. Secondary Consumers

D. None of the given

Answer : Option B

View Answer

59.  If herbivores are "5" in number in the given food chain then, what will be the total number of trophic layers in the it ?

A. 7

B. 8

C. 5

D. can not be predicted

Answer : Option D

View Answer

60.  which organism provided useable phosphate from dead organisms?

A. Fungi, Bacteria

B. Fungi , Algae

C. Bacteria, Algae

D. Bacteria, Fungi

Answer : Option D

View Answer