(a) 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 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

(b) 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.

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Solution

Column I Column II Column III

(i) Secondary consumer Carnivore 3rd trophic level

(ii) Primary consumer Herbivore 2nd trophic level

(iii) Producer Autotroph 1st trophic level

(iv) Tertiary consumer Large carnivore 4th trophic level

(b) Grass $\to$ Grasshopper $\to$ Frog $\to$ Bird
Producer Primary consumer Secondary consumer Tertiary consumer
Autotroph Herbivore Carnivore Large carnivore
1st trophic level 2nd trophic level 3rd trophic level 4th trophic level

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Similar questions

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

$\begin{matrix} Column I & Column II & Column III (i) Secondary consumer & Herbivore & 1st trophic level (ii) Primary consumer & Autotroph & 3rd trophic level (iii) Producer & Carnivore & 4th trophic level (iv) Tertiary consumer & Large Carnivore & 2nd trophic level \end{matrix}$

(b) 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.

Q. Column I has various trophic levels in an ecosystem and column II has various organisms.

Match the organisms in column II with their respective trophic levels in column I and select the correct option.

Column I	Column II
p. Fourth trophic level	i. Wolf
q. Second trophic level	ii. Lion
r. First trophic level	iii. Cow
s. Third trophic level	iv. Grass

Q. (a) What are producers, primary consumers, secondary consumers and tertiary consumers? Give one example of each.
(b) Write a food chain having four trophic levels. Mark the producer and various types of consumers in it.

Q. Match the trophic levels with their correct species names in grassland ecosystem and select the correct option.

	Trophic levels		Species
(a)	Tertiary Consumer	(i)	Grass
(b)	Primary Consumer	(ii)	Crow
(c)	Producers	(iii)	Vulture
(d)	Secondary Consumer	(iv)	Rabbit

Match the terms given in column A with those given in column B :

Column A Column B

(i) Sperm (a) Female organ

(ii) Ovary (b) Egg tube

(iii) Oviduct (c) Male organ

(iv) Testes (d) Male gamete

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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

Column I	Column II	Column III
(i) Secondary consumer	Carnivore	3rd trophic level
(ii) Primary consumer	Herbivore	2nd trophic level
(iii) Producer	Autotroph	1st trophic level
(iv) Tertiary consumer	Large carnivore	4th trophic level