1. ABA 2. Cytokinin 3. Auxin 4. Gibberellin
Select the correct answer using the codes given below"
(a) Only 1
(b) 1 and 3
(c) 2 and 3
(d) 2,3 and 4
72 Q) "Consider the following statements
I. Warm-blooded animals can remain active in cold environment in which cold-blooded animals can hardly move
II. Cold-blooded animals require much less energy to survive than warm-blooded animals.
Which of the statements given above is/are correct?"
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Reason (R) The circulatory system is highly developed in hydra to distribute absorbed nutrients."
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
74 Q) Round dance of honey bee is mainly used to pass the information when
(a) source of food is near the hive
(b) source of food is far away from the hive
(c) source of enemy is detected
(d) None of the above
75 Q) " Assertion (A) The mode of nutrition in amoeba is holozoic.
Reason (R) Amoeba can eat any alga by engulfing it fully."
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
76 Q) The gastrointestinal hormones namely secretin and cholecystokinin secreted by duodenal epithelium activate respectively. Which organs to discharge their secretions?
(a) Pancreas and gall bladder
(b) Gall bladder and stomach
(c) Pancreas and stomach
(d) Stomach and small intestine
77 Q) Which one among the following is the major proteins involved in the production of antibodies?
(a) Albumins
(b) a-globulins
(c) P-globulins
(d) y-globulins
78 Q) Which one among the following is true about the "Bombay phenotype"?
(a) A skin colouration common in Mumbai
(b) A type of blood group
(c) A disease prevalent in the slum areas of Mumbai
(d) None of the above
79 Q) Which of the following organelles is associated with ATP synthesis in cells?
(a)Ribosomes
(b) Lysosomes
(c) Nucleus
(d) Mitochondria
80 Q) " Assertion (A) Mumps in human beings lead to swelling of the limbs.
Reason (R) In mumps, virus infects the parotid salivary gland."
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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