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1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Choose the correct statements regarding population interactions between two species.

A. In both parasitism and commensalism, only one species benefits and the other species is harmed.

B. Both species benefit in mutualism.

C. Both species benefit in commensalism.

D. In parasitism, only one species benefits and the other species is harmed.

E. In amensalism, one species is harmed and the other is unaffected.

Choose the correct answer from the options given below:

A

B and E only

B

A and B only

C

B, D and E only

D

A and D only

2
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

Epiphytes that are growing on a mango branch is an example of which of the following?

A
Predation
B
Amensalism
C
Commensalism
D
Mutualism
3
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

Which one of the following equations represents the Verhulst-Pearl Logistic Growth of population?

A
$\frac{d N}{d t}=r N\left(\frac{N-K}{N}\right)$
B
$\frac{d N}{d t}=N\left(\frac{r-K}{K}\right)$
C
$\frac{d N}{d t}=r\left(\frac{K-N}{K}\right)$
D
$\frac{d N}{d t}=r N\left(\frac{K-N}{K}\right)$
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

When will the population density increase, under special conditions? When the number of :

A
Deaths exceeds number of births and also number of emigrants equals number of immigrants.
B
Births plus number of immigrants equals number of deaths plus number of emigrants.
C
Births plus number of emigrants is more than the number of deaths plus number of immigrants.
D
Births plus number of immigrants is more than the sum of number of deaths and number of emigrants.
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