321.

Biodiversity is highest in

• Tundra zone

• Prairie zone

• Torrid zone

• Tropic zone

Which of the following statements is/are correct?

1. A lunar eclipse takes place when the Earth comes directly between the Sun and the Moon.
2. A solar eclipse happens when the Moon comes directly between the Sun and the Earth.
3. A lunar eclipse takes place when the Sun comes directly between the Earth and the Moon
4. A solar eclipse happens when the Earth comes directly between the Sun and Moon.

Select the correct answer using the code given below:

• 1, 2 and 3

• 3 and 4

• 1 and 2 only

• 2 only

Which one among the following is not a reason for practicing tank irrigation in Peninsular India?

• The undulating relief and hard rocks

• Little percolation of rainwater due to impervious rock structure

• Most of the rivers of Peninsular India are perennial

• There are many streams that become torrential during the rainy season

Identify from the following states of India through which the Tropic of Cancer passes and arrange them from east to west:

1. Gujarat
2. West Benga
3. Uttar Pradesh
4. Jharkhand
5. Madhya Pradesh
6. Bihar
7. Chhattisgarh

Select the correct answer using the code given below:

• 2-5-7-4-1

• 2-4-7-5-1

• 3-2-6-7-5

• 3-7-4-6-2

Hot deserts like Sahara, Arabia, etc. receive a very negligible amount of rainfall. This is because they:

• do not receive moisture-bearing wind from the oceans.

• are the rockiest and barren areas of the Earth.

• are located on the tropical high-pressure belt of the atmosphere.

• are not on the path of the monsoons.

The latitude is the· angular distance of a point on the Earth's surface, north of south, of the Equator as measured from the:

• center of the Earth

• The Equator.

• Tropic of Cancer of the Capricorn

• Poles

To a perpendicular to the plane of the ecliptic, the Earth's axis of rotation makes an angle of 23½ degrees. Had this angle been 0 degrees, which one among the following would result?

• There would have been no seasons

• The length of day and night would have been the same throughout the year.

• The length of day and night would have been the same all over the earth

• All of the above

Jet streams are usually found in the:

• Ozonosphere

• Mesosphere

• Tropopause

• Ionosphere

There exceptionally high and low tides that occur at the time of the new moon or the full moon when the Sun, the Moon, and the Earth are approximately aligned is called:

• Spring

• Fall

• Neap

• Diurnal

What is the general direction of cyclones formed in the Bay of Bengal?

• East to west

• West to east

• West to south

• North to south