set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on force of gravity, solids and fluids topic of general science mcq
(a) decreases with temperature
(b) remains constant
(c) increases with temperature
(d) decreases inversely with temperature
The correct answers to the above question in:
Answer: (b)
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Question : 1
Assertion (A) :
The weight of a body decreases with the increase of altitude on earth.
Reason (R) :
The earth is not a perfect sphere.
a) A is true but R is false
b) Both A and R are true but R is not a correct explanation of A
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
Answer »Answer: (b)
Question : 2
The specific gravity of a substance is measured by a hydrometer at the sea level. If the measurement is done at the top of a mountain, what would be the specific gravity ?
a) Less than that measured at the sea level
b) More than that measured at the sea level
c) Zero
d) Same as that measured at the sea level
Answer »Answer: (a)
Question : 3
The substance which exhibits practically no elastic effect is
a) Fe
b) quartz
c) rubber
d) Cu
Answer »Answer: (b)
Question : 4
The weight of a body is 9.8 N at the place where g = 9.8 ms–2. Its mass is
a) 10 kg
b) 9.8 kg
c) zero
d) 1 kg
Answer »Answer: (d)
Question : 5
Match the Column I and Column II.
Column I | Column II |
A. Weight | 1. Minimum |
B. gequator | 2. Zero |
C. gpoles | 3. Vector |
D. gcentre | 4. Maximum |
a) (A) → (3) ; (B) → (1) ; (C) → (4) ; (D) → (2)
b) (A) → (2) ; (B) → (2) ; (C) → (4) ; (D) → (3)
c) (A) → (2) ; (B) → (1) ; (C) → (3) ; (D) → (4)
d) (A) → (4) ; (B) → (3) ; (C) → (1) ; (D) → (2)
Answer »Answer: (a)
Question : 6
Assertion (A) :
A beaker filled with water at 4°C overflows if the temperature is decreased or increased.
Reason (R) :
Density of water is maximum at 4°C.
a) A is true but R is false
b) Both A and R are true but R is not a correct explanation of A
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
Answer »Answer: (c)
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