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Standard XII
Biology
Types of Excretion
Ammonia is th...
Question
Ammonia is the most toxic form of waste that needs to be excreted.
A
False
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B
True
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Solution
The correct option is
B
True
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Similar questions
Q.
The characteristic that is shared by urea, uric acid, and ammonia is/are,
(I) They are nitrogenous wastes.
(II) They all need a very large amount of water for excretion.
(III) They are equally toxic.
(IV) They are excretory products.
Q.
The characteristic(s) common to urea, uric acid and ammonia is/are:
(i) They are nitrogenous wastes.
(ii) They all need very large amount of water for excretion.
(iii) They are all equally toxic.
(iv) They are produced in the kidneys.
Q.
Which form of nitrogenous waste is most toxic?
Q.
The characteristic that is shared by Urea, Uric Acid and Ammonia are:
(1) they are the nitrogenous waste.
(2) they all need a very large amount of water for excretion.
(3) they all are equally toxic.
(4) they are produced in kidneys.
Q.
Write two examples for each of the following.
1.
Blood cells
....................
....................
2.
Body wastes in humans
....................
....................
3.
Constituents of urine
....................
....................
4.
Products excreted by plants
....................
....................
5.
Form of toxic waste in plants
....................
....................
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