Revision Series | Science | General Science | 43

November 29, 2023

Match List I with List II:
List I = List II
(a) Hydrophone = (i) An instrument measuring the rotation speed of a shaft or disk
(b) Megaphone = (ii) An instrument that measures wind speed
(c) Anemometer = (iii) An instrument that spreads sound to far-off places
(d) Tachometer = (iv) An underwater device that detects and records ocean sounds from all directions

(A) a-iv, b-ii, c-iii, d-i
(B) a-i, b-iii, c-ii, d-iv
(C) a-i, b-ii, c-iv, d-iii
(D) a-iv, b-iii, c-ii, d-i

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Answer- D

Match List I with List II:
Quantity = Unit
A. S. I unit of power of a lens = 1 V
B. S. I unit of electric potential difference = 2. Coulomb
C. Potential difference between two points = 3. Dioptre
D. S. I unit of electric charge = 4. W/Q

(A) A – 4, B – 3, C – 2, D – 1
(B) A – 3, B – 4, C – 1, D – 2
(C) A – 2, B – 3, C – 4, D – 1
(D) A – 3, B – 1, C – 4, D – 2

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Answer- D

Rataundhi” is due to deficiency of which Vitamin?

(A) Vitamin A
(B) Vitamin B6
(C) Vitamin C
(D) Vitamin B12

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Answer- A

Which of the following does not represent a refractive defect of vision?

(A) Myopia
(B) Hypermetropia
(C) Presbyopia
(D) Cataract

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Answer- D

During dispersion of white light by the glass prism, which of the following light of the spectrum bends the most

(A) Blue
(B) Violet
(C) Indigo
(D) Red

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Answer- B

Which of the following phenomena is responsible for twinkling of stars?

(A) Reflection of starlight
(B) Refraction of starlight
(C) Dispersion of starlight
(D) Tyndall effect

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Answer- B

Match List I with List II and choose the correct answer from the given options
Action = Related to
A. Peristaltic movement = 1. Saliva
B. Gastric Glands = 2. Alimentary Canal
C. Amylase = 3. Inner lining of Stomach
D. Bile Juice = 4. Liver

(A) A – 4, B – 3, C – 2, D – 1
(B) A – 3, B – 4, C – 1, D – 2
(C) A – 1, B – 2, C – 3, D – 4
(D) A – 2, B – 3, C – 1, D – 4

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Answer- D

Which of the following statements is not correct

(A) All bases are soluble in water
(B) All bases do not dissolve in water
(C) An alkali is a base that dissolves in water
(D) Bases generate hydroxide (OH-) ions in water

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Answer- A

What does ‘p’ represent in pH

(A) Potentia
(B) Property
(C) Power
(D) Potenz

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Answer- D

In which part of our body RBC formed?

(A) Liver
(B) Heart
(C) Bone-marrow
(D) Kidney

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Answer- C