Single Choice

Which group of organisms are not constituents of a food chain? (i) Grass, lion, rabbit, wolf (ii) Plankton, man, fish, grasshopper (iii) Wolf, grass, snake, tiger (iv) Frog, snake, eagle, grass, grasshopper

A(i) and (ii)
B(iii) and (iv)
C(ii) and (iii)
Correct Answer
D(i) and (iv)

Solution

The organisms in an ecosystem are related through food requirements. This relationship is called food chain. In option (i) grass is eaten by rabbit, rabbit is consumed by wolf and lion eats wolf. In option (iv) grasshopper eats grass, frog eats grasshopper, snake eats frog and eagle consumes snake. In option (ii) grasshopper is found in terrestrial ecosystems not aquatic ecosystems. In option (iii) there is no herbivore animal to consume grass. Thus, the correct answer is option C.

SIMILAR QUESTIONS

Ecology and Environment

Which of the following constitute a food-chain?

Ecology and Environment

Select the option that correctly identifies A, B and C in the given table. Organism Trophic level Food chain Eagle A Grazing Earthworm Primary consumer B Frog C Grazing

Ecology and Environment

Select the incorrect food chain.

Ecology and Environment

What will happen, if deer is missing in the food chain given below? Grass -----> Deer -----> Tiger

Ecology and Environment

Write the common food chain of a pond ecosystem.

Ecology and Environment

Show steps of food chains operating in: (a) Forests (b) Grasslands (c) Ponds

Ecology and Environment

Write true or false for the following statement: The length and complexity of food chains remain mostly the same.

Ecology and Environment

Consider the following statements concerning food chains. Which two of the statements are correct? (a) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. (b) Removal of most of the carnivores resulted in an increased population of dear. (c) The length of food chains is generally limited to 3-4 trophic levels due to energy loss. (d) The length of food chains may vary from 2-8 tropic levels Which two of the statements are correct?

Ecology and Environment

Consider the following statements concerning food chains. Which two of these statements are correct? (a) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. (b) Removal of most of the carnivores resulted in an increased population of deer. (c) The length of food chains is generally limited 3-4 trophic levels due to energy loss. (d) The length of food chains may very from 2 to 8 trophic levels.

Ecology and Environment

In a food chain, the maximum energy is stored in the

Contact Details