(a) Sl No. Column I Column II Column III (i) Secondary consumer Herbivore 1st trophic level (ii) Primary consumer Autotroph 3rd trophic level (iii) Producer Carnivore 4th trophic level (iv) Tertiary consumer Large carnivore 2nd trophic level Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.

Food chain is a series of arrangement of organisms that feed on other organisms. There is a transfer of energy from one group to another group. We can represent the solution in the following format:- An insect which belongs to the primary consumer in the given food chain is a herbivore .

E M B I B E

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Questions Based on High Order Thinking Skills (HOTS)>Q 80

MEDIUM

10th CBSE

IMPORTANT

Earn 100

Match the terms given in column I with the terms given in column II and column III having the same meaning:

Column I Column II Column III

(i) Secondary consumer a. Herbivore 1.1st tropic level

(ii) Primary consumer b. Autotroph 2. 3rd tropic level

(iii) Producer c. Carnivore 3. 4th tropic level

(iv) Tertiary consumer d. Large carnivore 4. 2nd tropic level

Important Questions on Our Environment

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Questions Based on High Order Thinking Skills (HOTS)>Q 80

(a)

Sl No.	Column I	Column II	Column III
(i)	Secondary consumer	Herbivore	1st trophic level
(ii)	Primary consumer	Autotroph	3rd trophic level
(iii)	Producer	Carnivore	4th trophic level
(iv)	Tertiary consumer	Large carnivore	2nd trophic level

Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Very Short Answer Type Questions>Q 1

What percentage of the solar energy is trapped and utilised by the plants?

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Very Short Answer Type Questions>Q 2

What percentage of energy available at the producer level is transferred at successive trophic levels in a food chain? (

0.01 % / 10 %

)

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Very Short Answer Type Questions>Q 3

Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Very Short Answer Type Questions>Q 4

In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum?

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Very Short Answer Type Questions>Q 5

If a harmful chemical enters a food chain comprising cat, mice and plants, which one of these organisms is likely to have the maximum concentration of the harmful chemical in its body?

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Very Short Answer Type Questions>Q 6

Which radiations are absorbed by ozone layer? (Infrared radiation/Ultraviolet radiations)

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 3 Biology>Chapter 5 - Our Environment>Very Short Answer Type Questions>Q 7

Name the group of chemical compounds which damages the ozone layer.