AIPMT-MAINS Botany Ecosystem Class 12 Questions

The rate of formation of new organic matter by rabbit in a grassland, is called:

Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?

The logistic population growth is expressed by the equation

The breakdown of detritus into smaller particles by earthworm is a process called

Consider the following statement (A)⁻(D) each with one or two blanks. (A) Bears go into _______ (1) _______ during winter to _______ (2) _______ cold weather (B) A conical age pyramid with a broad base represents _______ (3) _______ human population (C) A wasp pollinating a fig flower is an example of _______ (4) _______ (D) An area with high levels of species richness is known as _______ (5) _______ Which one of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements?

Which of the following representations shows the pyramid of numbers in a forest ecosystem?

A country with a high rate of population growth took measures to reduce it. The Figure below shows age-sex pyramids of populations A and B twenty years apart. Select the correct interpretation about them:

Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?