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.Management Sciences
Category: Biology Mcqs
Which of the following statement about fatigue is correct?
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A. The major event in it is accumulation of lactic acid.
B. Lactic acid accumulation turns pH in acidic range leading to muscle ache.
C. Ionic imbalance may also cause it.
D. All of these
Optimal temperature of enzymes present in human body is_____________?
A. 27?C
B. 37?C
C. 47?C
D. 30?C
On the basis of collected facts and figures, a scientist formulates a factitive statement called:
A. Observation
B. Research work
C. Hypothesis
D. Inductive Reasoning
The main nitrogenous waste formed in the body of earthworm is/are___________?
A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide
The diffusion of ions along with water also takes place by mass flow system along the ________ path?
A. Tonoplast
B. Apoplast
C. Symplast
D. Vacuolar
Cell wall is richly impregnated with silica in__________?
A. Rhodophyta
B. Phaeophyta
C. Baciliariophyta
D. Euglenophyta
Which of the following is a selectively permeable membrane?
A. cell wall
B. cytoplasm
C. cell membrane
D. none of these
Which of the following pigment is Blue- green in colour?
A. Chlorophyll a
B. Chlorophyll b.
C. Chlorophyll c
D. Chlorophyll d.
Malphighian tubules absorb waste materials and salts from__________?
A. Blood
B. Lymph
C. Gut
D. Hemolymph
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