set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 6 EXERCISES
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The following question based on physiology of plants, humans and animals topic of general science mcq
(a) Chlorosis
(b) Etiolation
(c) Necrosis
(d) Shortening of internodes
The correct answers to the above question in:
Answer: (b)
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Read more biology Based General Science Questions and Answers
Question : 1
Universal blood recipient is
a) blood group AB
b) blood group O
c) blood group A
d) blood group B
Answer »Answer: (a)
Blood group AB individuals have both A and B antigens on the surface of their RBCs, and their blood plasma does not contain any antibodies against either A or B antigen.
Therefore, an individual with type AB blood can receive blood from any group with AB being preferable. Hence, blood group AB is known as the universal recipient.
Question : 2
Which of the following is an epidermal cell
a) Root hairs
b) Guard cells
c) Trichome
d) All of these
Answer »Answer: (d)
Question : 3
Lignin is the important constituent in the cell wall of
a) parenchyma
b) phloem
c) xylem
d) cambium
Answer »Answer: (c)
Question : 4
Which one of the following is an enzyme?
a) Keratin
b) Gastrin
c) Trypsin
d) Vasopressin
Answer »Answer: (c)
Question : 5
Ethylene gas is used for
a) delaying fruit’s abscission.
b) ripening of fruits.
c) growth of plants.
d) stopping the leaf abscission.
Answer »Answer: (b)
Question : 6
Consider the following statements:
- Flowering plants are grouped under phanerogams.
- Non-flowering plants are grouped in cryptogams.
a) 1 and 2
b) 1 only
c) 2 only
d) None
Answer »Answer: (a)
All flowering plants are grouped under phanerogams while non-flowering into cryptogams
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