"The Only Man who makes No Mistakes is the man who never does anything"...so don't be afriad of mistakes...commit them and then learn from them!!!
Very similar thought in the Hindi lines below:
मंजिलें मिलेंगी भटक कर ही सही
गुमराह तो वो है जो घर से निकले ही नहीं !!!
मंजिलें मिलेंगी भटक कर ही सही
गुमराह तो वो है जो घर से निकले ही नहीं !!!
Hello students, we posted Asseetion Reason questions for Unit 3 yesterday. Above are the solutions. In some time, we will post Assertion Reason Questions for Unit IV also!!!
Assertion (A): Immediately after light becomes unavailable, the biosynthetic process of photosynthesis continues for some time, and then stops. Reason (R): Biosynthetic process of photosynthesis can occur only in absence of light.
Anonymous Quiz
16%
Both (A) and (R) are True and (R) is the correct explanation of (A)
8%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
73%
(A) is True but (R) is False.
3%
(A) is False but (R) is True.
Assertion (A): The cyclic flow helps balance the ATP/NADPH ratio, providing the additional ATP needed for biosynthetic reactions. Reason (R): Many steps in the Calvin cycle consume more ATP than NADPH.
Anonymous Quiz
54%
Both (A) and (R) are True and (R) is the correct explanation of (A)
19%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
17%
(A) is True but (R) is False.
10%
(A) is False but (R) is True.
Assertion (A): In C4 plants photorespiration does not occur. Reason (R): C4 plants have a mechanism that increases the concentration of CO2 at the Rubisco site.
Anonymous Quiz
82%
Both (A) and (R) are True and (R) is the correct explanation of (A)
8%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
6%
(A) is True but (R) is False.
3%
(A) is False but (R) is True.
Assertion (A): Current availability of CO2 levels is limiting to the C3 plants. Reason (R): Under current atmospheric conditions, the amount of CO2 is not sufficient to fully saturate Rubisco’s active sites.
Anonymous Quiz
73%
Both (A) and (R) are True and (R) is the correct explanation of (A)
12%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
10%
(A) is True but (R) is False.
4%
(A) is False but (R) is True.
Assertion (A): ATP acts as the energy currency of the cell. Reason (R): The energy released by oxidation in respiration is used directly in various energy-requiring processes of the organisms.
Anonymous Quiz
55%
Both (A) and (R) are True and (R) is the correct explanation of (A)
17%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
28%
(A) is True but (R) is False.
0%
(A) is False but (R) is True.
Assertion (A): All living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen. Reason (R): The first cells on this planet lived in an atmosphere that lacked oxygen.
Anonymous Quiz
62%
Both (A) and (R) are True and (R) is the correct explanation of (A)
30%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
3%
(A) is True but (R) is False.
6%
(A) is False but (R) is True.
Assertion (A): It is important that in muscles during exercise, when oxygen is inadequate for cellular respiration pyruvic acid is reduced to lactic acid. Reason (R): NAD+ is regenerated in this step.
Anonymous Quiz
41%
Both (A) and (R) are True and (R) is the correct explanation of (A)
44%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
13%
(A) is True but (R) is False.
3%
(A) is False but (R) is True.
Assertion (A): ATP production in mitochondria is oxidative phosphorylation. Reason (R): It is the light energy that is utilised for the production of proton gradient required for phosphorylation in mitochondria.
Anonymous Quiz
42%
Both (A) and (R) are True and (R) is the correct explanation of (A)
12%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
44%
(A) is True but (R) is False.
2%
(A) is False but (R) is True.
Assertion (A): Phenotypic plasticity is more important for plants than for animals. Reason (R): Plants are sessile and cannot move away from environmental stresses, which necessitates a greater degree of physiological and morphological adaptability.
Anonymous Quiz
90%
Both (A) and (R) are True and (R) is the correct explanation of (A)
7%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
2%
(A) is True but (R) is False.
1%
(A) is False but (R) is True.
Assertion (A): The antagonistic interaction between ABA and gibberellins ensures that seed germination occurs only under favorable environmental conditions. Reason (R): In seed germination, ABA maintains dormancy by inhibiting growth processes under unfav
Anonymous Quiz
72%
Both (A) and (R) are True and (R) is the correct explanation of (A)
20%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
5%
(A) is True but (R) is False.
3%
(A) is False but (R) is True.
Uploaded above are video explanations of Assertion Reason Questions from Unit 4!!! On this channel, we will post Assertion Reasons of remaining 6 units also tomorrow...probably it will be an all day exercise
Lets practice Assertion Reason MCQs from Unit 5!!!
Assertion (A): Carbon dioxide does not require as steep a gradient as oxygen to achieve similar rates of diffusion.
Reason (R): The diffusing capacity of carbon dioxide is higher than that of oxygen across the respiratory membrane.
Reason (R): The diffusing capacity of carbon dioxide is higher than that of oxygen across the respiratory membrane.
Anonymous Quiz
81%
Both (A) and (R) are True and (R) is the correct explanation of (A)
8%
Both (A) and (R) are True but (R) is not the correct explanation of (A).
4%
(A) is True but (R) is False.
7%
(A) is False but (R) is True.