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प्रश्न
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
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उत्तर
Lettuce → Rabbit → Fox .
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संबंधित प्रश्न
In a food chain of frog, grass, insect and snake, assign trophic level to frog.
List two important roles play in the environment by decomposers.
Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard
Fill in the following blank with suitable word :
A series of organisms, each of which feeds on the next organism, the beginning of which is a green plant, is called a .............
Write down a food chain with five links in it.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
The following is a food chain that ends with human :
Do you think that the food chain given in this question can really be regarded as a food chain? Explain your answer.
What is ten per cent law? Explain with an example.
Explain how harmful chemicals enter our bodies.
Which of the following limits the number of trophic levels in a food chain?
(a) insufficient food supply from producer level
(b) decrease in energy at higher trophic levels
(c) increase in the number of organisms at higher trophic levels
(d) accumulation of harmful chemicals at higher trophic levels
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
An aquatic food chain comprises of the organisms like tadpoles, weeds, fish and water beetles. The organism which gets the minimum energy through this food chain is :
(a) water beetles
(b) tadpoles
(c) weeds
(d) fish
Most of the water surface of a lake is covered with algae. This algae is part of the food chain which also includes small fish, bird, larvae and big fish. Which of the following will obtain the maximum energy?
(a) big fish
(b) bird
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If the energy available at the producer level in a food chain is 150 J, how much energy will be transferred to : tertiary consumer?
(a) 15 J
(b) 10 J
(c) 1.50 J
(d) 0.15 J
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.
Write the food chain comprising all the organisms mentioned above.
Give some examples for Biodegradable and Non-biodegradable waste.
| S. No. | Biodegradable waste | Non-biodegradable waste |
| 1. | Food Waste | Plastic Bottles |
| 2. | ||
| 3. | ||
| 4. | ||
| 5. |
We should reduce the use of the plastic bags, bottles etc. because ______.
Animals that eat both plants and animals are called as Carnivores.
Differentiate between herbivores and carnivores.
