In members of family Crassulaceae ________ is regenerated from starch during night.
(A) Phosphoenol pyruvic Acid
(B) Pyruvic Acid
(C) Malic Acid
(D) Oxalo Acetic Acid
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Speed of sound is greater during day than at night. True or False? Justify your answer.
True. At night, the amount of CO2 in atmosphere increases the density of atmosphere. Since, Speed of sound is inversely proportional to the square root of density. Hence, speed of sound is greater during...
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a) It is not good for health while sleeping under the tree during night b) There is a chance of falling of branches
(C) a is true, b is false
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Which type of conjoint – vascular bundles are found in members of Cucurbitaceae family?
Bicollateral vascular bundle: When phloem is present in a vascular bundle on both the sides of xylem and intervening cambium tissue, it is called bicollateral vascular bundle. It is a feature...
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The co-enzyme which acts as hydrogen acceptor during light reaction is ________ .
The correct answer is (D) NADP
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Dark reaction of photosynthesis is a cyclic process as _______ is regenerated.
The correct answer is (A) RuBP
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The animals which are active during day time, take rest at night time are called
The animals which are active during day time, take rest at night time are called Diurnals
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The animals which are active during night time and collect food are called
(A) Nocturnals
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Observe the following a and b statements. a : All the family members have identical characters,
(C) a is false, b is true
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The expenditure of 35 members for 24 days on food is ₹ 6300 then the expenditure of 25 members for 18 days is ……………..
Correct option is (A) ₹ 3375 The cost of food per person per day \(=Rs\;\frac{6300}{35\times24}\) = Rs 7.5 \(\therefore\) Expenditure of 25 members for 18 days \(=Rs\;(7.5\times18\times25)\) = Rs 3375
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