DRONA COACHING CENTRE NARNAUL
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Which one of the following disease is not caused by bacteria?
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13%
(a) Typhoid
41%
(b) Malaria
32%
(c) Tuberculosis
13%
(d) No one
🔹Among the following substances the lowest vapour pressure is exerted by
Anonymous Quiz
20%
(a) water
26%
(b) alcohol
22%
(c) ether
31%
(d) mercury
🌀The atmospheric pollution is generally measured in the units of
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13%
(a) mass percentage
68%
(b) ppm
15%
(c) volume fraction
4%
(d) No one
Which one of the following is non-crystalline or amorphous?
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16%
(a) Diamond
33%
(b) Graphite
35%
(c) Glass
16%
(d) Common Salt
Which of the following will have metal deficiency defect?
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30%
(a) NaCl
37%
(b) FeO
20%
(c) KCl
13%
(d) ZnO
🔺The oxide of nitrogen which acts as a catalyst in lead chamber process is
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19%
(a) NO
44%
(b) NO2
31%
(c) N2O4
7%
(d) H2O5
📶The numerical ratio of displacement to distance for a moving object is
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24%
(a) always less than 1
29%
(b) always equal to 1
22%
(c) always more than 1
25%
(d) equal or less than 1
🔽If the displacement of an object is proportional to square of time, then the object moves with
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20%
(a) uniform velocity
44%
(b) uniform acceleration
30%
(c) increasing acceleration
6%
(d) decreasing acceleration
particle is moving in a circular path of radius r. The displacement after half a circle would be:
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19%
(a) Zero
40%
(b) πr
30%
(c) 2r
11%
(d) 2πr
Which of the following can be made into crystal?
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21%
(a) A bacterium
20%
(b) An Amoeba
47%
(c) A virus
12%
(d) A sperm
Chromosomes are made up of
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19%
(a) DNA
12%
(b) Protein
67%
(c) DNA and protein
2%
(d) RNA
🔸The only cell organelle seen in prokaryotic cell is
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17%
(a) mitochondria
49%
(b) ribosomes
22%
(c) plastids
11%
(d) lysosomes
Which of the following are covered by a single membrane?
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15%
(a) Mitochondria
40%
(b) Vacuole
34%
c) Lysosome
11%
d) Plastid
Volume of one mole of any gas at NTP is
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12%
(a) 11.2 litre
68%
(b) 22.4 litre
14%
(c) 10.2 litre
6%
d) 22.8 litre
🔻Which of the following will not form a colloidal system?
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14%
(a) Solid-gas
23%
(b) Liquid-gas
55%
(c) Gas-gas
8%
d) Gas-liquid
Which of the following types of metals make the most efficient catalyst?
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18%
(a) Alkali metals
46%
(b) Transition metals
24%
c) Inner transition metals
12%
(d) Alkaline earth metals