Advertisements
Advertisements
प्रश्न
Which organisms belong to third and fourth trophic levels in the food chain comprising the following?
Rats, Plants, Hawk, Snakes
Advertisements
उत्तर
Snakes belong to the third trophic level and hawks belong to the fourth trophic level in the food chain.
APPEARS IN
संबंधित प्रश्न
List two main components of ecosystem?
The following statement is true or false :
Secondary consumers and tertiary consumers, both are carnivores.
Write an aquatic food chain.
What is the difference between the food habits of organisms belonging to the first and the third trophic levels? Give one example each of the organisms belonging to these two trophic levels.
The sea water contains water beetles, tadpole, fish and weeds.
- Write a food chain comprising all the given organisms.
- Which organisms in the food chain are (i) herbivore, and (ii) carnivores?
- Which organisms are (i) predators, and (ii) prey?
- Which organisms can trap solar energy to make food?
- Which organism is a secondary consumer?
The following is a food chain that ends with human :
How does this food chain differ form a usual food chain involving human such as : plants → goat → human?
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 would happen to the number of grass plants and foxes if the number of rabbits increased?
Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.
Fill in the following blank with suitable word :
Pesticides enter the food chain at the ...........level
Explain how harmful chemicals enter our bodies.
'If we excessively use pesticides to protect the crops from diseases, then it may cause long-term damage to mankind'. Justify this statement.
What is meant by bioconcentration of pesticides
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.
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.
Which other organism you could write in place of bird in the above food chain?
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. |
A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in ______.
Natural agents like ______ are the decomposition factors breaking complex forms into simpler units.
In the food chain Grass → Insects → Thrush → Sparrow Hawk, what is the trophic level of the thrush?
