HPAS 2020 Prelims Question Paper – Q20
Which of the following statement is not correct?
(A) Calcium oxide reacts vigorously with water to produce lime
(B) Slaked lime slowly creates a layer of calcium nitrate on the walls
(C) Silver chloride is sensitive to sunlight
(D) Decomposition reactions require energy for breaking down of reactants
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Answer: B
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HPAS 2020 Prelims Question Paper – Q21
Which of the following statement is correct?
(A) A very small opaque object does not change the straight path of light
(B) Convex mirrors are generally used in torches
(C) The mass density of kerosene is less than that of water
(D) The ability of a medium to reflect light is expressed as optical density
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Answer: C
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HPAS 2020 Prelims Question Paper – Q22
Which of the following statement is not correct?
(A) During dental caries, bacteria act on saliva to produce acids
(B) Blood pressure is much greater in arteries than in veins
(C) Normal systolic pressure is about 120 mm of Hg and diastolic pressure is 80 mm of Hg
(D) Dental plaque is caused by demineralization of enamel
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Answer: A
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HPAS 2020 Prelims Question Paper – Q23
Which of the following statement is correct?
(A) Cell vacuoles do not store waste materials
(B) Water transport in plants occurs across Phloem
(C) Breakdown of pyruvate in yeast in the absence of oxygen yields ethanol
(D) phosphate group of ATP is equivalent to 35.5 kJ/mol
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Answer: C
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HPAS 2020 Prelims Question Paper – Q60
Consider the given four statements and choose the correct answer from the given options.
1. Blood plasma contains significant amounts of antibodies to fight corona virus.
2. Blood plasma is a pale-yellow in colour.
3. Blood plasma contains hemoglobin.
4. Any person can donate blood plasma to any other person affected by corona virus.
(A) 1 and 2
(B) 3 and 4
(C) 1 and 3
(D) 2 and 4
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Answer: A
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HPAS 2020 Prelims Question Paper – Q66
Match List I with List II:
List-I
A. Litmus
B. Nitrogen
C. Calcium Hydroxyapatite
D. Hydrogen Peroxide
List-II
1. Tooth enamel
2. Anti microbial agent
3. Chips sealed in packet
4. Lichen
(A) A-4, B-3, C-1, D-2
(B) A-4, B-3, C-2, D-1
(C) A-3, B-4, C-1, D-2
(D) A-2, B-3, C-4, D-1
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Answer: A
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HPAS 2020 Prelims Question Paper – Q67
Match List I with List II:
List-I
A. S.I. unit of power of a lens
B. S.I. unit of electric potential difference
C. Potential difference between two points
D. S.I. unit of electric charge
List-II
1. V
2. Coulomb
3. Diopter
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
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HPAS 2020 Prelims Question Paper – Q68
Match List I with List II:
List-I
A. Peristaltic movement
B. Gastric glands
C. Amylase
D. Bile juice
List-II
1. Saliva
2. Alimentary canal
3. Inner lining of stomach
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
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HPAS 2020 Prelims Question Paper – Q69
Match List I with List II:
List-I
A. Gregor Mendel
B. Harold C. Urey
C. Charles Darwin
D. Dmitri-I-Mendeleev
List-II
1. Role of earthworms in soil fertility
2. University of Vienna
3. Origin of organic molecules on earth
4. Periodic table
(A) A-3, B-4, C-2, D-1
(B) A-2, B-3, C-1, D-4
(C) A-1, B-2, C-3, D-4
(D) A-4, B-3, C-2, D-1
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Answer: B
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