Pyramid of Trophic Levels

Q.

In the figure given alongside, the various trophic levels are shown in the form of a pyramid. At which trophic level the maximum energy is available?

(a) $T_4$

(b) $T_2$

(c) $T_1$

(d) $T_3$

Q. In grazing food chain, primary consumers (herbivores) represent

1. $T_1$ level
2. $T_2$ level
3. $T_3$ level
4. $T_4$ level

Q. In a food chain, the third trophic level is always occupied by :
(a) carnivores
(b) herbivores
(c) decomposers
(d) producers

Q.

The diagram represents ethane.

Which compound has chemical properties similar to those of ethane?

1. 

2. 

3. 

4. 

Q. Fungi is an example of a _____.

1. producer
2. decomposer
3. consumer
4. carnivore

Q. Explain the $10\%$ law of Lindman.

Q. The trophic level of lion in a forest ecosystem is:

1. $T_3$
2. $T_1$
3. $T_2$
4. $T_4$

Q. Complete the trophic levels in the following basic food chain
Producers $\to$ (i) $\to$ Secondary consumers $\to$ (ii) $\to$ Decomposers

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

Q. Let's assume that of the total energy received by the plants only 2% is converted to useful energy now the direct consumers of plants are herbivores and herbivores are consumed by the carnivores, so the energy efficiency of the carnivores would be?

1. Cannot say
2. 0.0002
3. 0.2
4. 0.002

Q. In grazing food chain, primary consumers (herbivores) represent

1. Trophic level 2
2. Trophic level 1
3. Trophic level 3
4. Trophic level 4

Q. In the food chain comprising of a snake, grass, insect, and frog, the secondary consumer is :
(a) insect
(b) snake
(c) frog
(d) grass

Q. (a) Define trophic level. Draw the food chain with four trophic levels.
(b) What will happen if we kill all the organisms in one trophic level?

Q. Match the organism to its trophic level in the food chain.

1. 
2. Third
3. 
4. First
5. 
6. Second

Q. Trophic levels are formed by

1. only animals
2. only carnivores
3. organisms linked in food chain.
4. only plants

Q. Choose the correct pair.

1. Carnivore
2. Omnivore
3. Herbivore
4. Giraffe
5. Tiger
6. Chimpanzee

Q. In the given figure, the various trophic levels are shown in a pyramid. At which trophic level is maximum energy available?

1. $T_4$
2. $T_2$
3. $T_1$
4. $T_3$

Q. In a food chain, form the first trophic level and form the last trophic level.

1. producers
2. consumers
3. decomposers
4. heterotrophs

Q. Which organisms belong to third and fourth trophic levels in the food chain comprising the following?
Rats, Plants, Hawk, Snakes