Option “4” is correct. Fold mountains are created where two or more of Earth’s tectonic plates are pushed together. At these colliding, compressing boundaries, rocks and debris are warped and folded into rocky outcrops, hills, mountains, and entire mountain ranges. Himalayan mountain range falls under this type of mountain.
162. ‘Norwesters’ are thunder storms which are prominent in _____.
1. India and Bhutan
2. Bhutan and Nepal
3. India and Bangladesh
4. Bangladesh and Myanmar
Option “3” is correct. Norwesters or the Kalbaishakhi is a local rain fall and thunder storm which occurs in India and Bangladesh. Kalbaishakhi occurs, with increasing frequency, from March till monsoon establishes over North-East India.
163. The boundary between Earth’s crust and mantle is _____.
Option “1” is correct. The Mohorovicic Discontinuity, or “Moho,” is the boundary between the crust and the mantle.
164. Doldrums pressure belts lies in between which of the following latitudes?
1. 5 degree N to 5 degree S
2. 35 degree to 60 degree N and S
3. 25 degree to 35 degree N and S
4. 35 degree to 45degree N and S
Option “1” is correct. Doldrums, also called equatorial calms, equatorial regions of light ocean currents and winds within the Intertropical convergence zone (ITCZ), a belt of converging winds and rising air encircling Earth near the Equator. The doldrums, usually located between 5° north and 5° south of the equator, are also known as the Intertropical Convergence Zone or ITCZ.
Option “3” is correct. Biochemical oxygen demand (BOD, also called biological oxygen demand) is the amount of dissolved oxygen needed (i.e., demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period.
166.Match the following.
1. 1-d, 2-c, 3-a, 4-b
2. 1-b, 2-d, 3-a, 4-c
3. 1-c, 2-d, 3-b, 4-a
4. 1-c, 2-d, 3-a, 4-b
Option “3” is correct. Bangladesh currency is Taka, Myanmar currency is Burmese Kyat, Maldives currency is Maldivian Rufiyaa and currency of Bhutan is Ngultrum.
167. Which of the following planet is also known as ‘Earth’s twin’?
1. Mercury
2. Venus
3. Jupiter
4. Saturn
Option “2” is correct. Venus is sometimes called Earth’s twin because Venus and Earth are almost the same size, have about the same mass (they weight about the same), and have a very similar composition (are made of the same material). They are also neighboring planets.
168. Which type of forest is most widespread in India?
Option “3” is correct. Kumaun Himalayas is west-central section of the Himalayas in northern India, extending 200 miles (320 km) from the Sutlej River to the Kali River
170. Which railway station is used for immigration and customs of passengers who travel on the Thar Express between Pakistan and India?
1. Jalal Marri
2. Zero Point
3. Lal Pir
4. Gujar Garhi
Option “2” is correct. Zero Point railway station is used for immigration and customs of passengers who travel on the Thar Express between Pakistan and India. It is situated 8 km east of Khokhrapar, Sindh and lies on the Pakistan–India border. The station was constructed in February 2006.
