A. India
B. America
C. China
D. Sri Lanka
✅ The correct answer is option A.
India is one of the 12 mega biodiversity countries in the world.
India is one of the 12 mega biodiversity countries in the world.
General Knowledge
Boost your exam preparation with the latest General Knowledge MCQs with answers and explanations. Our collection covers current affairs, world geography, history, Pakistan studies, sports, science, technology, and important international organizations. These General Knowledge multiple-choice questions are designed for students, job seekers, and competitive exam aspirants preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and recruitment exams. Practice online with updated General Knowledge MCQs to improve awareness, sharpen memory, and score higher in tests and interviews.
2132. Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of
A. Food
B. Light
C. Oxygen
D. Essential minerals
✅ The correct answer is option C.
The concentration of the oxygen would fall and this causes the death of the aquatic animals due to the suffocation. Hence, the correct answer is ‘non-availability of oxygen’.
The concentration of the oxygen would fall and this causes the death of the aquatic animals due to the suffocation. Hence, the correct answer is ‘non-availability of oxygen’.
2133. _________ is a practice of clearing and burning the forest area for cultivation of crops for 3-4 years and shifting.
A. Jhum cultivation
B. Horticulture
C. Taungya cultivation
D. Agrisilviculture
✅ The correct answer is option A.
In India, the practice of clearing and burning the forest area for cultivation is known as jhum or jhoom. Slash-and-burn can be part of shifting cultivation, an agricultural system in which farmers routinely move from one cultivable area to another.
In India, the practice of clearing and burning the forest area for cultivation is known as jhum or jhoom. Slash-and-burn can be part of shifting cultivation, an agricultural system in which farmers routinely move from one cultivable area to another.
2134. The cause of Bhopal disaster is
A. Methyl Alcohol
B. Methyl Carbonate
C. Methyl Isocyanate
D. Methyl Sulphate
✅ The correct answer is option C.
The disaster happened because water entered a tank containing Methyl isocyanate. This caused a chemical reaction which resulted in the buildup of much Carbon dioxide, among other things.
The disaster happened because water entered a tank containing Methyl isocyanate. This caused a chemical reaction which resulted in the buildup of much Carbon dioxide, among other things.
2135. _______ is an example of “bottom feeders”.
A. Cat fish
B. Frog
C. Snake
D. Tadpole
✅ The correct answer is option A.
Cat fish is an example of “bottom feeders”.
Cat fish is an example of “bottom feeders”.
2136. When the air temperature increases, the saturation vapour pressure will:
A. Increase
B. Decrease
C. Remain the same
D. Vary over an increasingly broad range of values
✅ The correct answer is option A.
At higher temperatures, the kinetic energy of water vapour molecules increases, so increasing the pressure
At higher temperatures, the kinetic energy of water vapour molecules increases, so increasing the pressure
2137. How much radiant energy will an object emit if its temperature is at absolute zero?
A. The maximum theoretical amount
B. None
C. The same as it would at any other temperature
D. Depends on the chemical composition of the object
✅ The correct answer is option B.
An object emit at absolute zero won’t emit radiant energy.
An object emit at absolute zero won’t emit radiant energy.
2138. The term “normal” refers to weather data averaged over:
A. At least a day
B. Several months
C. One year
D. Thirty years
✅ The correct answer is option D.
The term “normal” refers to weather data averaged over thirty years.
The term “normal” refers to weather data averaged over thirty years.
2139. At any given time, ______ of the earth is illuminated by the sun.
A. One-fourth
B. One-third
C. One-half
D. Two-thirds
✅ The correct answer is option C.
At any given time, one-half of the earth is illuminated by the sun.
At any given time, one-half of the earth is illuminated by the sun.
2140. _________ is mixed with petrol for being used in automobiles.
A. Gasohol
B. Methanol
C. Propanol
D. Ethanol
✅ The correct answer is option D.
Ethanol is mixed with petrol for being used in automobiles.
Ethanol is mixed with petrol for being used in automobiles.