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(d) Disposable paper cups
(d) Incineration
(d) Recycle them
(d) Ultraviolet
(a) O₃
(a) Man
(b) Stratosphere
(b) CFC
(c) Grasses
(d) energy stored and passed is less.
Nowadays, which type of cups are being generally used in trains for serving tea, coffee, soup, etc. on daily basis?
(d) Disposable paper cups
(d) Disposable paper cups
See lessBurning of waste substances usually at high temperature of over 1000° C to convert them into ashes is called
(d) Incineration
(d) Incineration
See lessWhat is the environmentaily friendiy way to dispose of used tires?
(d) Recycle them
(d) Recycle them
See lessWhich rays strike on earth due to depletion of ozone layer?
(d) Ultraviolet
(d) Ultraviolet
See lessUltraviolet radiation from sunlight causes a reaction which produces
(a) O₃
(a) O₃
See lessDDT was accidently added to the water of a lake. All the organisms in it would be affected by DDT. Which of the organisms would be affected the most?
(a) Man
(a) Man
See lessOzone blanket is present in which of the following main layers of atmosphere ?
(b) Stratosphere
(b) Stratosphere
See lessOzone layer is destroyed due to
(b) CFC
(b) CFC
See lessIn the garden ecosystem, which of the following are producers?
(c) Grasses
(c) Grasses
See lessEnergy pyramids of an ecosystem tend to diminish at higher trophic levels. This is because at each successive level
(d) energy stored and passed is less.
(d) energy stored and passed is less.
See less