General Knowledge MCQs

✅ The correct answer is option A.
The reaction between oxygen and another element generally results in the formation of a binary compound known as an oxide. The reaction itself is known as oxidation. For example, the oxidation reaction between oxygen and sodium produces sodium oxide. In many cases, an element may form more than one oxide.

✅ The correct answer is option D.
It is also the highest point between the Himalayas and the Andes. Some sources claim Papua New Guinea’s Mount Wilhelm, 4,509 m (14,793 ft), as the highest mountain peak in Oceania, on account of Indonesia being part of Asia (Southeast Asia). The massive, open cut Grasberg mine is within 4 km (2.5 mi) of Puncak Jaya.

✅ The correct answer is option B.
The time difference between each side of the International Date line is 24 hours.

✅ The correct answer is option B.
The production of wheat has increased mainly due to increase in yield per hectare.

✅ The correct answer is option D.
The radiation belts are zones in space around the Earth, Jupiter and Saturn.

✅ The correct answer is option D.
The reorientation of mineral crystals is the most obvious effect.

✅ The correct answer is option C.
both (a) and (b)

✅ The correct answer is option A.
The most densely populated regions in the world are the monsoon climatic regions.

✅ The correct answer is option A.
The shortest day (longest night) in the southern hemisphere is June 21.

✅ The correct answer is option B.
The propagation of radio signals is greatly influence by ionosphere.