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15
MCQ (Single Correct Answer)

A protozoan reproduces by binary fission. What will be the number of protozoans in its population after six generations?

A

128

B

24

C

64

D

32

16
MCQ (Single Correct Answer)

In 2005 , for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using exponential equation, the number of people present in 2015 is predicted as

A

25 millions

B

17 millions

C

20 millions

D

18 millions

17
MCQ (Single Correct Answer)

Amensalism is an association between two species where

A

one species is harmed and other is benefitted

B

one species is harmed and other is unaffected

C

one species is benefitted and other is unaffected

D

both the species are harmed.

18
MCQ (Single Correct Answer)

Lichens are the associations of

A

bacteria and fungus

B

algae and bacterium

C

fungus and algae

D

fungus and virus

19
MCQ (Single Correct Answer)

Which of the following is a partial root parasite?

A

Sandal wood

B

Mistletoe

C

Orobanche

D

Ganoderma