मराठी

In the Food Chain Comprising of a Snake, Grass, Insect, and Frog, the Secondary Consumer is : (A) Insect (B) Snake (C) Frog (D) Grass - Science

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प्रश्न

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

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उत्तर

frog
The grass is eaten by the insect, which is eaten by the frog, which is eaten by the snake. Hence, the grass is the producer, the insect is the primary consumer, the frog is the secondary consumer and the snake is the tertiary consumer.

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पाठ 5: Our Environment - Exercise 1 [पृष्ठ २२९]

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लखमीर सिंह Biology (Science) [English] Class 10
पाठ 5 Our Environment
Exercise 1 | Q 72 | पृष्ठ २२९

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संबंधित प्रश्‍न

Give reason to justify the following: The existence of decomposers is essential in a biosphere.


List two biotic components of a biosphere.


The following statement is true or false :
 In biology, human beings are called producers.


Which of the following belong to the same trophic level?
Goat ; Spider ; Plants ; Hawk ; Rat

 

Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard

 

Name the organisms belonging to the second and the fourth trophic levels in the food chain comprising the following :
Frogs, Plants, Snakes, Hawk, Insects


Define decomposers. 


At which trophic level a person is feeding when he is eating eggs.


The sea water contains water beetles, tadpole, fish and weeds.

Which organisms in the food chain are herbivore, and carnivores?


The sea water contains water beetles, tadpole, fish and weeds.

Which organism is a secondary consumer?


Name two predators of snakes in a food web operating in a forest ecosystem.


The ten per cent law is associated with
(a) transfer of energy from various trophic levels to decomposers in a food chain
(b) transfer of ATP energy into muscular energy
(c) transfer of chemical energy from one organism to another
(d) transfer of sun's energy to the organisms called producers.


A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.
(a) In which organisms the pesticides enter from the polluted water? What is this level of organisms known as?


Bacteria and fungi are called decomposers.


We should reduce the use of the plastic bags, bottles etc. because ______.


Which of the following is an autotroph?


Food chains are very important for the survival of most species.

If 10,000 J solar energy falls on green plants in a terrestrial ecosystem, what percentage of solar energy will be converted into food energy?


Observe the food web and answer the questions given below:

Why do all food chains start with plants?


Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement. 


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