Saleha Pervez, Mansi Garg and, Poonam Singh Solutions for Chapter: Ecology, Exercise 1: Self Check

Consider the following statements:

I. Homo sapiens is a species.

II. Interaction between human and domestic animals (pets) is studied at community level.

Which of the above statements is/are correct?

Which of the following is not true about population characteristics?

Which of the following statement is true about population interaction?

What easiest term is used for the living biomass number present in an area?

Which of the following is true about ecological succession?

Consider the following statements:

I. Any undesirable change in physical, chemical or biologic characteristics of air, land, water or soil is called pollution.

II. Term biodiversity is given by Edward Wilson.

Which of the above statements is/are correct?

Consider the following statements:

I. Bats

II. Bears

III. Rodents

The phenomenon of hibernation can be observed in which the above kinds of animals?

Select the correct answer using the codes given below.

Trees do not replace the grasses in the grassland as part of an ecological succession because of _____.