What Is Food Chain

Q. Identify the possible link "A" in the following food chain :
Plant $\to$ insect $\to$ frog $\to$ "A" $\to$ Eagle

1. Cobra
2. Parrot
3. Rabbit
4. Wolf

Q. A food chain is a series of a population, which starts with producers. It is concerning with

1. Biotic components only
2. Energy flow and transfer of nutrients
3. Both (a) and (b)
4. abiotic components and decomposers

Q.

Which of the following food chain directly depends on solar radiations?

1. ​​​​​​Parasitic

2. Grazing

3. ​​​​​​Detritus

4. ​​​​​​None of these

Q. With reference to the following picture, if the number of slugs reduce suddenly, which of the following statement(s) are true?

1. There would be more grass for the rabbits and insects.
2. The populations of rabbits would increase.
3. The population of insects could decrease.
4. The populations of moles and frogs will increase.

Q.

Which one of the following is a correct food chain?

1. Grass → grasshopper → frog

2. Grasshopper → grass → snake → frog → eagle

3. Eagle → snake → grasshopper → grass → frog

4. frog → snake → grasshopper → grass