CDS Exam (II)- 2022 - General Knowledge Defence Question Paper

CDS Previous Year Question Papers Question Papers
CDS Exam (II)- 2022 - General Knowledge

CDS Exam (II)- 2022 - General Knowledge Defence Questions

11.
Stinging hair of nettle leaves inject fluid in the human body causing burning pain. The fluid is
A.
Methanoic acid
B.
Tartaric acid
C.
Hydrochloric acid
D.
Sulphuric acid
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ANSWER :
A. Methanoic acid
12.
Milk of Magnesia is used when people suffer from indigestion of food. It is a
A.
Strong base
B.
Mild base
C.
Strong acid
D.
Mild acid
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ANSWER :
B. Mild base
13.
Which one of the following pairs of metals are very good conductors of heat?
A.
Silver and Copper
B.
Silver and Lead
C.
Copper and Mercury
D.
Lead and Mercury
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ANSWER :
A. Silver and Copper
14.
School bells are made of metals because metals are
A.
Malleable
B.
Sonorous
C.
Ductile
D.
Lustrous
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ANSWER :
B. Sonorous
15.
Consider the following statements about Tincture of Iodine:
1. It is an antiseptic solution.
2. Iodine is kept in alcohol-water mixture.
3. Concentration of iodine is very low.
How many of the above statements is/are correct?
A.
1
B.
2
C.
3
D.
None
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ANSWER :
C. 3
16.
\( Cl^{-} \) is not isoelectronic with
A.
\( K^{+} \)
B.
\( Mg^{2+} \)
C.
\( S^{2-} \)
D.
\( P^{3-} \)
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ANSWER :
B. \( Mg^{2+} \)
17.
In plant cells
A.
Nucleus does not need a membrane but chloroplasts are surrounded by their own membrane.
B.
Nucleus and chloroplasts are surrounded separately by their own membrane.
C.
Nucleus is surrounded by membrane but chloroplasts do not need membrane.
D.
Both nucleus and chloroplasts are not surrounded by any membrane.
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ANSWER :
B. Nucleus and chloroplasts are surrounded separately by their own membrane.
18.
Which one of the following statements about starch and glycogen is correct?
A.
Both starch and glycogen are found in plant cells.
B.
Both starch and glycogen are found in animal cells.
C.
Starch is present in plant cells and glycogen is present in animal cells.
D.
Both starch and glycogen are present in plant cells as well as animal cells.
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ANSWER :
C. Starch is present in plant cells and glycogen is present in animal cells.
19.
Which one of the following statements about the process of photosynthesis is correct?
A.
Light energy is directly converted to kinetic energy which oxidizes carbon dioxide.
B.
Light energy is directly converted to chemical energy which causes reduction of water.
C.
Chlorophyll absorbs the chemical energy of light which causes oxidation of carbon dioxide.
D.
Chlorophyll absorbs light energy which causes splitting of water molecules and reduction of carbon dioxide.
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ANSWER :
D. Chlorophyll absorbs light energy which causes splitting of water molecules and reduction of carbon dioxide.
20.
Kwashiorkor, a form of malnutrition, is caused by the deficiency of
A.
Minerals
B.
Vitamins
C.
Fats
D.
Proteins
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ANSWER :
D. Proteins
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