Utilizing data from instruments like the Moon Mineralogy Mapper (M3) aboard India’s Chandrayaan-1 spacecraft, NASA scientists definitively discovered and confirmed the presence of frozen water deposits (surface water ice) at the lunar poles.
57. Which is the most widespread soil found in India?
(A) Alluvial soils
(B) Black soils
(C) Red soils
(D) Laterite soils
Answer:
(A) Alluvial soils
Explanation:
Alluvial soil is the most abundant and widely distributed soil in India, covering over 40% of the total land area, predominantly found across the vast Northern Plains and the river deltas.
58. Which of the following is not a type of teeth?
(A) Molars
(B) Maxilla
(C) Canines
(D) Incisors
Answer:
(B) Maxilla
Explanation:
Incisors, canines, and molars are all classifications of human teeth. The maxilla is not a tooth; it is the anatomical term for the upper jawbone that holds the upper teeth in place.
59. Which of the following is not a rock?
(A) Quartz
(B) Granite
(C) Marble
(D) Sandstone
Answer:
(A) Quartz
Explanation:
Granite (igneous), marble (metamorphic), and sandstone (sedimentary) are all classifications of rocks. Quartz is not a rock, but rather a naturally occurring silicate mineral that is a primary constituent component found within many rocks.
60. The first layer of the atmosphere is called
(A) Mesosphere
(B) Thermosphere
(C) Stratosphere
(D) Troposphere
Answer:
(D) Troposphere
Explanation:
The troposphere is the lowest and first layer of Earth’s atmosphere, extending from the Earth’s surface up to about 8-15 kilometers, where almost all weather phenomena occur.
