Question

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

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

(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.

Answer 1

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 → Grasshopper → Frog ​​​​​​​→ 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