MEDIUM
10th CBSE
IMPORTANT
Earn 100
Lions have no known natural predators.
Based on energy transfer in a food chain, what could be the most likely reason for the above statement?
Important Questions on Our Environment
MEDIUM
10th CBSE
IMPORTANT
Which of the following belonging to a food chain is likely to have maximum concentration of harmful chemicals in its body?
MEDIUM
10th CBSE
IMPORTANT
A food chain comprises of a cat, seed-eating bird, plants, and dog. The organism which will have the maximum concentration of harmful pesticides coming through the food chain is most likely to be:
MEDIUM
10th CBSE
IMPORTANT
In aquatic food-chains, the microscopic organisms involved are
MEDIUM
10th CBSE
IMPORTANT
If the energy transferred to a tertiary consumer in a food chain is , how much energy was available to the primary consumer?
MEDIUM
10th CBSE
IMPORTANT
Which of the following represents a possible food chain found in a pond?
MEDIUM
10th CBSE
IMPORTANT
If the energy available at the producer level in a food chain is , how much energy will be transferred to tertiary consumer?
EASY
10th CBSE
IMPORTANT
Scallops compete for food with oysters (Tiostrea chilensis) and green lipped mussels (Perna canaliliculus). What is the trophic level of these competitors?
MEDIUM
10th CBSE
IMPORTANT
Pick up the correct statements:
(i) removal of 80% of tigers resulted in greatly increased growth of vegetation.
(ii) removal of most carnivores resulted in an increased population of deer.
(iii) length of the food chain is generally limited to 3-4 trophic levels due to energy loss.
(iv) length of the food chain may vary from 2-8 trophic levels.
