Identify the correct statements:
I. Ramdeo Misra is revered as the Father of Ecology in India.
II. Ecology studies the interactions among organisms and between the organism and its physical [abiotic] environment.
III. The study of Ecology begins at cellular biological organisation level.
IV. Ecology at the organism level is essentially physiological ecology.
1.Only I and II2.All except III
3.Only II, III and III4.I, II, III and IV
Subtopic:  Introduction to the Chapter |
 54%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The following diagram shows the biome distribution with respect to annual temperature and precipitation. Grassland, Temperate forest and Coniferous forest are represented, respectively, by:
    

1. A, C and F 2. B, D and E
3. B, E and F 4. A, D and F
Subtopic:  Introduction to the Chapter |
 80%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The physico-chemical [abiotic] components of ecosystem alone characterise the habitat of an organism.
Reason (R): Interactions between organisms are not relevant for the study of ecology.
 In the light of the above statements, choose the most appropriate answer from the options given below :
1. Both (A) and (R) are false.
2. Both (A) and (R) are true but (R) does not explain (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are true and (R) explains (A).
Subtopic:  Introduction to Ecology | Introduction to the Chapter |
 74%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Niche of an organism includes:
I. range of conditions that it can tolerate
II. diversity in the resources it utilises
III. its distinct functional role in the ecological system
 
1. Only I 2. Only III
3. Only II and III 4. I, II and III
Subtopic:  Introduction to Ecology | Introduction to the Chapter |
 77%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.