Food Web Interconnections

Q. Select the right option regarding the given statements.

Statement [I]: An animal like kite cannot be a part of a food web.
Statement [II]:A network of food chain existing together in an ecosystem is known as a food web.

1. Both [I] and [II] are correct
2. [I] is correct, [II] is incorrect
3. Both [I] and [II] are incorrect
4. [I] is incorrect, [II] is correct

Q.

The network of several ______ food chains is called _______ .

Q.

Statement 1 (S1): A network of interconnected food chains in an ecosystem is known as a food web.
Statement 2 (S2): Animals like kite cannot be a part of a food web.

1. Both S1 and S2 are True.

2. Only S2 is True.

3. Only S1 is True.

4. Both S1 and S2 are False.

Q.

If one part of food web becomes inactive, the whole food web will be inactive soon.

1. True

2. False

Q. A food web is formed by ___.

1. Interconnections of different ecosystems
2. Interconnections of different food chains
3. Interconnections of different species
4. Interconnections of nutrient cycles

Q. Regarding assertion and reason, choose the right option.
Assertion [A]: Food webs are formed because of complex feeding relationships between organisms.
Reason [R]: Most organisms feed at one or more trophic levels in a food chain.

1. Both A and R are true and R explains A
2. Both A and R are true R does not explain A
3. Both A and R are false
4. A is true and R is false

Q. Identify the likely organisms (I), (II), (III), and (IV) in the food web.

1. I - Dog, II - Squirrel, III - Bat, IV - Deer
2. I - Rat, II - Dog, III - Tortoise, IV - Crow
3. I - Squirrel, II - Cat, III - Rat, IV - Pigeon
4. I - Deer, II - Rabbit, III - Frog, IV - Mouse

Q.

If a single plant species is removed from a food web,

1. An animal species will fill the unoccupied niche
2. Other plants will produce enough food for herbivores
3. Dependent herbivores will have to find new food sources
4. Carnivores will be affected by the loss

Q.

Assertion : In a food chain members of successive higher levels are fewer in number.

Reason : Number of organisms at any trophic level depends upon the availability of organisms which serve as food at the lower level.

1. Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1

2. Both statements 1 and 2 are correct and statement 2 is not the explanation of statement 1.

3. Both statements 1 and 2 are incorrect.

4. Statement 1 is correct and statement 2 is incorrect.

Q. The balance between producers and consumers is maintained by _____.

1. food web

2. food chain

3. food cycle

4. carbon cycle

Q. Complete the trophic levels in the following basic food chain.

Producers $\to$ (i) $\to$ Secondary consumers $\to$ (ii) $\to$ Decomposers

1. (i)Insectivores, (ii)Carnivores
2. (i)Tertiary consumers, (ii)Primary consumers
3. (i)Carnivores, (ii)Herbivores
4. (i)Primary consumers, (ii)Tertiary consumers

Q. Forests are home to a wide variety of plants, animals, insects and birds.

1. False
2. True