Last seen: Sep 30, 2021
(b) Indira Gandhi Canal
(c) the environment
(d) Coal and minerals
(d) 5000 kJ Explanation: According to 10% law, only 10% of the energy entering a particular trophic level of organisms is available for transfer t...
(c) primary consumer to secondary consumer Explanation: In a food chain, if a grasshopper is eaten by a frog, then the energy transfer will be fro...
(a) Decrease in energy at higher trophic levels Explanation: Decrease in energy at higher trophic levels limits the number of trophic levels in a ...
(b) heat energy Explanation: Heat energy cannot be recycled, it gets lost in the environment. The generated is returned through the carbon cycle. ...
(d) Both (b) and (c) Explanation: Both (b) and (c), i.e. the sharpener and the empty fevistick container. These products are made from plastic and...
(d) The population of tiger decreases and the population of grass increases. Explanation: If deer is missing in the given food chain, there will n...
(b) Green plants get their food from organic compounds. Explanation: Green plants prepare their food from inorganic compounds using radiant energy...
(d) (ii) and (iv) Explanation: Substances that cannot be broken down by biological processes in nature are non-biodegradable. e.g. polythene, dete...
(b) non-living objects Explanation: All the interacting organisms in an area taken together with the non-living constituents of the environment fo...
(b) Cabbage is the producer component of this chain. It produces food using sunlight and other components by photosynthesis process. Others are all co...
(d) A food chain is a series of organisms in an environment through which energy transfer occurs starting with a producer. It proceeds in straight lin...