31. An electronic
bill board that has a short text or graphical advertising message is referred to
as:
(A) bulletin (B)
strap
(C) bridge line (D)
banner
Answer: D
32. Which of the
following is not the characteristic of a computer?
(A) computer is an electrical machine
(B) computer cannot think at its own
(C) computer processes information error free
(D) computer can hold data for any length of time
Answer: A
33. Bitumen is
obtained from
(A) Forests and Plants (B)
Kerosene oil
(C) Crude oil (D)
underground mines
Answer: C
Explanation:
Bitumen/asphalt/tar is a common binder used in road construction.
Bitumen is obtained from crude oil by the process called fractional
distillation. It is principally obtained as a residual product in petroleum
refineries after higher fractions like gas, petrol, kerosene and diesel, etc.,
are removed.
34. Malaria is
caused by:
(A) bacterial infection (B)
viral infection
(C) parasitic infection (D)
fungal infection
Answer: C
Explanation:
Malaria is a parasitic infection spread by Anopheles mosquitoes. The
Plasmodium parasite that causes malaria is a single-celled parasite that
multiplies in red blood cells of humans as well as in the mosquito intestine.
35. The cloudy
nights are warmer compared to clear nights (without clouds) during winter days.
This is because:
(A) clouds radiate heat towards the earth
(B) clouds prevent cold wave from the sky, descend on earth
(C) clouds prevent escaping of the heat radiation from the earth
(D) clouds being at great heights from earth absorb heat from the sun
and send towards the earth
Answer: C
36. Largest soil
group of India is:
(A) Red soil (B)
Black soil
(C) Sandy soil (D)
Mountain soil
Answer: C
Explanation:
Eight major soil groups available in India are: Alluvial Soils, Black
Soils, Red Soils, Laterite Soils, Forest and Mountain Soils, Arid and Desert
Soils, Saline and Alkaline Soils, Peaty and organic Soils. Alluvial soils
constitute the largest soil group in India, constituting 80% of the total land
surface. An alluvial soil in India is of three types: Sandy soil, Clayey soil
and Loamy soil.
37. Main pollutant
of the Indian coastal water is
(A) oil spill (B)
municipal sewage
(C) industrial effluents (D)
aerosols
Answer: C
38. Human ear is
most sensitive to noise in the following frequency ranges:
(A) 1-2 KHz (B)
100-500 Hz
(C) 10-12 KHz (D)
13-16 KHz
Answer: A
39. Which species
of chromium is toxic in water:
(A) Cr+2 (B) Cr+3
(C) Cr + 6 (D) Cr is
non-toxic element
Answer: C
40. Match List - I
(Dams) with List - II (River) in the following:
List - I
(Dams) List - II (River)
a. Bhakra (i)
Krishna
b. Nagarjunasagar (ii) Damodar
c. Panchet (iii)
Sutlej
d. Hirakud (iv)
Bhagirathi
e. Tehri (v)
Mahanadi
a b c d e
(A) v iii iv ii
i
(B) iii i ii v iv
(C) i ii iv iii
v
(D) ii iii iv i v
Answer: B
Explanation:
·
Bhakra Dam is across the Satluj River in Bilaspur,
Himachal Pradesh.
·
Nagarjuna Sagar Dam is across the Krishna river at
Nagarjuna Sagar where the river is forming boundary between Nalgonda district
of Telangana and Guntur district of Andhra Pradesh.
·
Panchet Dam is constructed across the Damodar River at
Panchet in Dhanbad district in the state of Jharkhand.
·
Hirakud Dam is built across the Mahanadi River in the
state of Odisha.
·
The Tehri Dam is the tallest dam in India. It is on
the Bhagirathi River near Tehri in Uttarakhand.
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