1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
In photosystem I, the first electron acceptor is
A
an iron-sulphur protein
B
ferredoxin
C
cytochrome
D
plastocyanin.
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal?
A
1
B
2
C
30
D
57
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?
A
Application of iron and magnesium to promote synthesis of chlorophyll
B
Frequent irrigation of the crop
C
Treatment of the plants with cytokinins along with a small does of nitrogenous fertilizer
D
Removal of all yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophhenoxy acetic acid
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
An enzyme that can stimulate germination of barley seeds is
A
invertase
B
$$\alpha $$-amylase
C
lipase
D
protease
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