set 6 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) lateral meristem
(b) apical meristem
(c) intercalary meristem
(d) vertical meristem
The correct answers to the above question in:
Answer: (a)
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Read more biology Based General Science Questions and Answers
Question : 1
In which part of a flower do both meiosis and fertilization occur?
a) Stigma
b) Anther
c) Ovule
d) Petal
Answer »Answer: (c)
Question : 2
Bidirectional translocation of minerals takes place in
a) Phloem
b) Parenchyma
c) Xylem
d) Cambium
Answer »Answer: (a)
Question : 3
Which part of human brain is concerned with the regulation of body temperature?
a) Cerebrum
b) Cerebellum
c) Hypothalamus
d) Medulla Oblongata
Answer »Answer: (c)
Question : 4
Elbow joint is an example of
a) gliding joint
b) hinge joint
c) ball and socket joint
d) pivot joint
Answer »Answer: (b)
The Elbow joint is an example of the hinge joint. The elbow is a hinge joint; it can open and close like a door.
The hinge joint allows angular movement in one plane only, increasing or decreasing the angle between the bones e.g. elbow joint, knee joint etc.
Question : 5
Which one among the following statements about stomach is not correct?
a) Stomach mixes food with gastric juice
b) Stomach acts as a temporary reservoir
c) Stomach secretes lipase and amylase in gastric juice
d) Rate of stomach emptying depends on the type of food
Answer »Answer: (d)
Question : 6
Parathormone deficiency produces muscle ramps or tetany as a result of
a) enhanced blood Na+
b) lowered blood Ca2+
c) enhanced blood glucose
d) enhanced blood Ca2+
Answer »Answer: (b)
Parathormone released by the parathyroid gland elevates the level of Ca2+ in blood. The deficiency of this hormone lowers blood Ca2+.
As a result, the excitability of muscles and nerves increases producing tetany sustained contraction.
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