UPSC Central Police Forces(AC) Exam

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Which one of the following layers of atmosphere has high concentration of ions'?
(a) Stratosphere

(b) Exosphere

(c) Thermosphere

(d) Troposphere
Ans: (c)

Which one of the following cities has greater annual range of temperature?
(a) Kuala Lumpur

(b) New Delhi

(c) Shanghai

(d) Ulaanbaatar

Ans: (d)

Match list I with list II and select the correct answer using the code given below the lists.
List I List II
(Climate type in letter code) (Major area)
A. Aw 1. Central California
B. Af 2. India Subc ontinent
C. Cs 3. North and South of Amazon Forests
D. Am 4. Western Equatorial Africa

Code:
A B C D
(a) 3 1 4 2

(b) 2 4 1 3

(C) 3 4 1 2

(d) 2 1 4 3

Ans: (c)

Ramsar Convention, to which India is a signatory, is related to conservation and wise use of
(a) wetlands

(b) genetic resources

(c) mines

(d) forest lands

Ans: (a)

Which one of the following rivers flows between Satpura and Vindhya ranges?
(a) Tapi

(b) Sabarmati

(c) Narmada

(d) Mahi

Ans: (c)

Which one of the following is the correct taxonomic hierarchy?
(a) Kingdom-Phylum-Order-Genus-Family-Class-Species

(b) Kingdom-Order-Class-Phylum-Family-Genus-Species

(c) Kingdom-Class-Order-Phylum-Family-Species-Genus

(d) Kingdom-Phylum-Class-Order-Family-Genus-Species

Ans: (ad

The subunits of DNA are known as
(a) Nucleotide

(b) Nucleosome

(c) Nucleoside

(d) Polypeptide

Ans: (a)

The process of using microbes to treat areas of land or sea that have been contaminated by pesticides, oil or solvents is known is
(a) Eutrophication

(b) Nitrification

(c) Ammonification

(d) Bioremediation

Ans: (d)

How is the rate transpiration affected by decreasing humidty and by decreasing light intensity?
Decreasing humidity Decreasing light intensity

(a) Decreases Decreases

(b) Increases Decreases

(c) Increases Increases

(d) Decreases Increases

Ans: (b)

Vaccination involves
(a) Injecting the body with materials that simulate the body to produce antibodies

(b) injecting the body with materials that stimulate the body to produce antigens

(c) the use of monolonal antibodies to cure a disease

(d) use of antibotics to cure diseases

Ans: (a)

Which of the following are examples of carnivorous plants?
(a) Sundew, Venus fly trap, Pitcher plant

(b) Cuscuta, Raffesisa, Mistletoe

(c) Sandalwood, tree Broom rape, Pitcher plant

(d) Cuscuta, Bladderwort, Mistletoe

Ans: (a)

Consider the following statemetns relating to Sea Salinity.
1. The ocean salinity depends on evaporation and precipitation.

2. Any change in the temperature or density influences the salinity.

3. Major source of sea salinity of terrestrial discharge by rivers.

Which of the statements given above are correct?
(a) 1 and 2

(b) 2 and 3

(c) 1 and 3

(d) 1, 2 and 3

Ans: (d)

Consider the following statements relating to salt production in India.
1. India is the second largest producer of iodised salt in the world next only to China.

2. Salt mining is carried out in Himachal Pradesh.

3. Gujarat is the leading producer of salf in India.

4. Ground water is the important source of salt in Rajasthan.

Which of the statemetns given above are correct?
(a) 1 and 2

(b) 3 and 4

(c) 1, 2 and 3

(d) 2, 3 and 4

Ans: (c)

Which of the following statements relating to Dharwar geological system are correct?

1. They belong to Archaean geological period.

2. They re metamorphosed sedimentary rocks.

3. They are of great economic importance for its mineral resources.

4. They are found predominintly in Karnataka, Tamil Nadu, Odisha and Jharkhand.

Select the correct answer using the code given below.
(a) 1, 2, 3 and 4

(b) 2, 3 and 4

(c) 3 and 4

(d) 1 and 2

Ans: (d)

Which one of the following is the correct order of formation of geological system in India in terms of their age? (Starting with the oldest)

(a) Dharwars - Aravallis - Vindhyans - Cuddapahs

(b) Aravallis - Dharwars - Cuddapahs - Vindhyans

(c) Vindhyans - Dharwars - Aravallis - Cuddapahs

(d) Cuddapahs - Vindhyans - Dharwars - Aravallis

Ans: (b)

A change of state directly from solid to gas without changing into liquid state is called

(a) Fusion

(b) Sublimation

(c) Diffusion

(d) Emulsion

Ans: (b)

Water at 273 K is less effective in cooling than ice at the same temperature. It is because

(a) water is difficult to handle

(b) water at 273 K has less energy than ice at the same temperature

(c) water at 273 K has more energy than ice at the same temperature

(d) water is not a cooling agent

Ans: (b)

Which one of the following statements is not correct?

(a) The rate of evaporation depends on temperature

(b) The rate of evaporation does not depend on surface area exposed to the atmospher but on volume of the liquid

(c) The rate of evaporation depends on humidity of the surroundings

(d) The rate of evaporation depends on teh wind speed

Ans: (b)

Which one of the following is not a colloid?

(a) Milk

(b) Mud

(c) Butter

(d) Boric acid

Ans: (d)

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