05-01-2013, 04:50 PM
BIOLOGY
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1. Which of the following option shows correct co-relation between
Column- I, II and III.
Column-I Column-II Column-III
(a) Calcium (I) Required for (i) Grey blot on leaves.
ionic-balance.
(b) Boron (II) Essential for (ii) Fruit-yield decreases.
constitution of
nucleic acid.
© Phosphorus (III) Required for (iii) Red blots on leaves.
absorption of Calcium.
(d) Chlorine (IV) Required to activate (iv) Fruit-size diminishes.
respiratory enzyme.
(e) Manganese (V) Required for synthesis (v) Young root tip begin
of bipolar spindle. to die.
(A) (a-V-v), (b-IV iv), (c-III-i), (d-II-iii), (e-I-ii)
(B) (a V v), (b-III-iv), (c-II-iii), (d -I-ii), (e-IV-i)
© (a-I-iv), (b-II-v), (c-III-iii), (d-IV i), (e-V-ii)
(D) (a-IV iii ), (b-I-iv), (c-V-v), (d-III- ii), (e-II-i)
2. In thistle funnel experiment, what will occur if sugar solution is added to
beaker, after the process of osmosis stops ?
(A) The level of solution in thistle funnel rises up.
(B) The level of solution in thistle funnel lowers.
© The level of solution in beaker lowers.
(D) The level of solution remains unaffected in beaker.
3. Through which process, starch of the guard cell is converted into PEP ions ?
(A) Dephosphorylation (B) Decarboxylation
© Hydrolysis (D) Oxidation
(Space for Rough Work)
BOOKLETA [31 PTO.
108-A
4. What is the net ATP molecules gain, when 4 molecules of Glucose undergo
anaerobic respiration in plants ?
(A) 8 ATP (B) 20 ATP
© 144 ATP (D) 16 ATP
5. How many molecules of RuBP are required to produce 20 molecules of Serine
in photo-respiration ?
(A) 20 (B) 40
© 60 (D) 80
6. Through which process, phospho-glyceraldehyde is converted into
biphosphoglyceric acid ?
(A) Phosphorylation and oxidation.
(B) Dephosphorylation and dehydrogenation.
© Carboxylation and hydration.
(D) Decarboxylation and hydrogenation.
7. Which of the following is correct for the reaction occuring during
Photo-respiration ?
(A) In mitochondria, glycolate is oxidized to form glyoxylate.
(B) In mitochondria, two glycine molecules unite to form serine.
© In peroxisome, three molecules of glycine unite to form serine.
(D) In mitochondria, serine is converted to hydroxypyruvate.
8. Which of the following will not be absorbed in the absence of carrier molecule ?
(A) Monoglycerides (B) Cholesterol
© Fructose (D) Fatty acid