Advertisements
Advertisements
प्रश्न
Fill in the following blank with suitable word :
Pesticides enter the food chain at the ...........level
Advertisements
उत्तर
Pesticides enter the food chain at the producer level.
APPEARS IN
संबंधित प्रश्न
State with reason any two possible consequences of elimination of decomposers from the Earth.
List two important roles play in the environment by decomposers.
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
Which of the following constitute a food-chain?
What will happen if we kill all the organisms in one trophic level?
Fill in the following blank with suitable word :
In nature, all green plants are............ whereas animals are consumers.
Write down a food chain in the sea.
Construct a long food chain.
Which of the following represents a possible food chain found in a pond :
| Primary producers |
Primary consumers | Secondary consumers |
| (a) green algae | fish | mosquito larvae |
| (b) fish | green algae | mosquito larvae |
| (c) mosquito larvae | fish | green algae |
| (d) green algae | mosquito larvae | fish |
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms in the food chain are herbivore, and carnivores?
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
The following statement is true or false:
Only 10 per cent of the light energy given by the sun is available for transfer at each higher trophic level in a food chain.
Why are there rarely more than five links (or five organisms) in a food chain?
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
What are decomposers? What will be the consequence if the decomposers are completely eradicated from an ecosystem? Give justification in support of your answer.
What would happen if an organism is removed from the food chain?
In a given food chain if the amount of energy at the fourth trophic level is 6 kJ, what will be the energy available at the producer level?
We should reduce the use of the plastic bags, bottles etc. because ______.
Differentiate between herbivores and carnivores.
