Choose the correct alternative.
Animal''s place in the environment and its functional role in an area is called habitat/ecological niche.

Choose the correct alternative. Corals are stenothermal/eurythermal animals.

Choose the correct alternative: World Environment day falls on 5th June/ 16th September.

Choose the correct alternative. Change in body shape with change in seasonal temperature is called diapause/cyclomorphosis.

Choose the correct alternative. Layers of soil are called soil horizons/soil profile.

Choose the correct alternative: Primary/tertiary amines donot react with Hinsberg’s reagent.

Choose the correct allternative When transfer of pollen grains from anther to stigma of different plant takes place, it is called geitonogamy/xenogamy.

Choose the correct alternative: Period of dormancy in animals during winter months is called aestivation/hibernation.

Choose the correct alternative. Sum of abiotic and biotic components of a geographical area is called ecosystem/biotic community.

Choose the correct alternative: Release of mature sperms from Sertoli cells is called spermiogenesis/spermiation.

Choose the correct alternative Crossbreeds/indigenous breeds of animals are more advantages.