Advertisements
Advertisements
प्रश्न
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
Advertisements
उत्तर
Humans obtain honey made by bees and consume it as food.
APPEARS IN
संबंधित प्रश्न
State with reason any two possible consequences of elimination of decomposers from the Earth.
We do not clean natural ponds or lakes but an aquarium needs to be cleaned regularly. Why is it so ? Explain.
"Our food grains such as wheat and rice, the vegetables and fruits and even meat are found to contain varying amounts of pesticide residues." State the reason to explain how and why it happens?
In the following food chain, 100 J of energy is available to the lion. How much energy was available to the producer?
Plants → Deer → Lion
What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants?
What are planktons?
Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard
A food chain represents a unidirectional flow of X. What is X?
Define decomposers.
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.
At which trophic level a person is feeding when he is eating eggs.
Which of the following are decomposers of dead organisms?
| Bacteria | Fungi | Viruses |
| (a) no | yes | yes |
| (b) yes | no | yes |
| (c) yes | yes | no |
| (d) yes | yes | yes |
Which of the following group of organisms are not constituents of a food chain?
- grass, lion, rabbit, wolf
- plankton, man, fish, grasshopper
- wolf, grass, snake, tiger
- frog, snake, eagle, grass, grasshopper
The sea water contains water beetles, tadpole, fish and weeds.
Which organism is a secondary consumer?
What would happen to the number of grass plants and foxes if the number of rabbits increased?
If a harmful chemical enters a food chain comprising cat, mice and plants, which one of these organisms is likely to have the maximum concentration of the harmful chemical in its body?
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
Differentiate between herbivores and carnivores.
