Exercise 1

Which of the following statements are true about the Desert ecosystem?

1. All the plant species found are seasonal.
2. Animals are nocturnal in habit to avoid the sun's heat during the daytime.

Which of the statements given above is/are true?

Consider the following statements on Ecological Pyramid:

1. Pyramid of number can be either upright or inverted.

2. Pyramid of Biomass is always upright.

3. Pyramid of energy can be either upright or inverted.

Which of the statements given above is/are correct?

Consider the following statements on Grazing food chain and Detritus food chain:

1. Grazing food chain gets energy from sun.

2. Detritus food chain gets energy from soil.

3. Both the food chain helps in fixing inorganic nutrients.

Which of the statements given above is/are correct?

Consider the following statements:

1. Net primary productivity of an ecosystem is the rate of production of organic matter during photosynthesis.

2. Gross primary productivity minus respiration losses (R) is the Secondary productivity.

Which of the above mentioned statements is/are true?

Select the correct statement from the following:

Ecology deals with:

What is biome?

Amount of energy transferred from one trophic level to next is _____.