Human Physiology UPSC Questions

Biology

Human Physiology MCQ Questions

1.
The angiosperms have a large diversity in external structure or _____________ by the presence of roots, stems, leaves, flowers and fruits.
A.
Morphology
B.
Biology
C.
Electrical
D.
Chemical
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ANSWER :
A. Morphology
2.
Which root is formed from elongation of radical?
A.
Leaves
B.
Lateral Bud
C.
Tap Root
D.
Fibrous Root
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ANSWER :
C. Tap Root
3.
The dicotyledonous plants the direct elongation of the radicle leads to the formation of _______________ which grows inside the soil.
A.
Primary Root
B.
Secondary Stem
C.
Primary Stem
D.
Secondary Root
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ANSWER :
A. Primary Root
4.
Which region of the root is responsible for this root growth in length?
A.
Nodes
B.
Region of Root
C.
Primary Root
D.
Region of Elongation
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ANSWER :
D. Region of Elongation
5.
Which of the following gives rise to primary root?
A.
Symmetrical
B.
Radical
C.
Asymmetrical
D.
Radial Symmetry
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ANSWER :
B. Radical
6.
The primary roots and its branches constitute the _______________system, as seen in the mustard plant.
A.
Leaves
B.
Stem
C.
Fibrous Root
D.
Tap Root
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ANSWER :
D. Tap Root