Free Organisms And Populations (Daily Quiz: 12) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Population interactions

Organisms A	Organisms B	Names of interaction
+	+	Mutualism
-	-	A
+	-	Predation
+	-	B
+	0	Commensalism
-	0	C

'+' sign for beneficial interaction. '–' sign for harmful (detrimental) interaction. '0' sign for neutral interaction. Find out what could be A, B and C.

(a) A–Competition, B–Parasitism, C–Amensalism

(b) A–Amensalism, B–Parasitism, C–Competition

(c) A–Competition, B–Amensalism, C–Parasitism

(d) A–Amensalism, B–Competition, C–Competition

Question-2

Assertion :
In a water body, Daphnia populations showed distinct variations in their morphology at different seasons.
Reason :
Variations in temperature of water bodies at different seasons influences cyclomorphosis in some organisms.

(a) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.

(b) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

(c) If Assertion is true but Reason is false.

(d) If both Assertion and Reason are false.

Question-3

Regarding temperature and osmotic concentration nearly all plants are

(a) conformers

(b) regulator

(c) partial regulator

(d) escaper in time

Question-4

No population of any species in nature has at its disposal …A… resources to permit exponential growth. This leads to competition between individuals for …B… resources. Eventually, the …C… individual will survive and reproduce. Choose the correct option for A, B and C.

(a) A–limited, B–unlimited, C–fittest

(b) A–limited, B–limited, C–fittest

(c) A–unlimited, B–limited, C–fittest

(d) A–unlimited, B–unlimited, C–fittest

Question-5

Which one of the following areas in India, is a hotspot of biodiversity?

(a) Gangetic Plain

(b) Eastern Ghats

(c) Sunderbans

(d) Western Ghats