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प्रश्न
What does garbage consist of?
उत्तर
Garbage consists of leftover food, fruit, vegetable peels, fallen leaves of potted plants, waste paper, unwanted plastic objects, glass articles, metal objects, old wooden objects, rags, discarded shoes, sewage, etc.
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संबंधित प्रश्न
List two important roles play in the environment by decomposers.
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 |
One of the following is a micro-consumer. This one is :
(a) ant
(b) lice
(c) fungi
(d) mosquito
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
What could be X?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Which organism in the above food chain is a (1) primary consumer, and (2) tertiary consumer?
Write the percentage of energy transferred from autotrophs to the next level in a food chain.
Fill in the following blank with suitable word :
Plants → Antelope → ............
Which common pesticide has accumulated in human body in considerable amounts?
A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
(a) Write a food chain comprising all the four organisms mentioned above.
(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.
(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.
In a food chain, the third trophic level is always occupied by
