Organisms and Populations

Assertion : Fig and wasp cannot complete their life cycle without each other. Reason : They show mutualistic relationship.

Assertion : Appetency is the formation of new structure or habit of the organism according to its need. Reason : Appetency is also called doctrine of desire.

Assertion : Mullerian and Batesian mimicry both are protective mimicry. Reason : Viceroy butterfly shows Mullerian mimicry.

Assertion : Ectotherms are able to remain active under cold conditions. Reason : Ectotherms are able to maintain a constant internal temperature, even when the temperature outside fluctuates.

At a particular locus, frequency of allele ' $A$ ' is 0.6 and that of allele ' $a$ ' is 0.4 . What would be the frequency of heterozygotes in a random mating population at equilibrium?

In a population of 1000 individuals, 360 belong to genotype AA, 480 to $\mathrm{Aa}$ and the remaining 160 to aa. Based on this data, the frequency of allele $A$ in the population is

Which of the following is not a factor that would limit the growth of a population?

The process where a population inhibits the growth of other population without affecting itself is known as

Assertion : Interspecific competition is the only potent force in organic evolution. Reason: Unexceptionally two closely related species competing for the same resources cannot co-exist indefinitely.

Which of the following associations shows mutualism?

Assertion : Some marine animals find it difficult to live in fresh water and vice versa.Reason : Some animals can tolerate a narrow salinity range, while others can tolerate a wide salinity range.

Monarch butterfly escapes from predators by