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.

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2092. The order of succession in a hydrosere is

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A. Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest
B. Rooted aquatic plants-> phytoplankton->Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> wood land stage-> Climax forest
C. phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest
D. phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest
✅ The correct answer is option D.
Phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> Wood land stage-> Climax forest.

2093. In the food relationship where the lion eats the wild beast, and the wild beast eats plants

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A. The lion is the prey and the wilde beast is the predator
B. The lion is the predator and the wilde beast is the prey
C. The lion is the primary consumer and the wilde beast is the secondary consumer
D. The lion is the secondary consumer and the wilde beast is the primary consumer
✅ The correct answer is option D.
Predators are the animals which kill or hunt other animals for food and the animal which is killed is called as prey. So, the lion is the predator which hunts for the wild beast for their food. Secondary consumers are carnivores or omnivores which feed on the primary consumer which are herbivores. Therefore, the lion is a secondary consumer and wild beast is the primary.

2095. India ranks __________ amongst the wind-energy producing countries of the world.

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A. First
B. Second
C. Third
D. Fourth
✅ The correct answer is option D.
India in the third week of December 2016 was ranked 4th in the Global Wind Power Installed Capacity Index. The cumulative installed wind power generation capacity of India is 25088 MW. The cumulative installed wind power generation capacity of China is 145362 MW.

2096. A strong radiation inversion is more likely to occur on a:

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A. Warm, windy night.
B. Cool, windy night.
C. Rainy night with light winds.
D. Clear night with light winds.
✅ The correct answer is option D.
The inversion created from a cold front is especially evident when a shallow layer of polar air moves into lower latitudes. The air associated with the shallow air mass is colder than the air aloft, thus creating an inversion. Inversions promote stability within the vertical layer of the troposphere they exist.

2097. 5th June is observed as

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A. World forest day
B. World environment day
C. World wildlife day
D. World population day
✅ The correct answer is option B.
World Environment Day is held each year on June 5. It is one of the principal vehicles through which the United Nations (UN) stimulates worldwide awareness of the environment and enhances political attention and action.

2098. Oil, coal and natural gas supply approximately __________ % of the energy used in the United States

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A. 10
B. 25
C. 40
D. 81
✅ The correct answer is option D.
The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.

2099. The presence of which is necessary for photosynthesis

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A. Chloroform
B. Chlorophyll
C. Phosphorus
D. Polymer
✅ The correct answer is option B.
For photosynthesis, presence of carbon dioxide, water, chlorophyll and sunlight is required. Only when these elements are present, can photosynthesis occur in plant. Plants use water to help break down carbon dioxide so its components can be combined with those in water to form sugar molecules.

2100. Which one is true?

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A. symbiosis when neither population affects each other
B. symbiosis when the interaction is useful to both the populations
C. commensalism when none of the interacting populations affect each other
D. commensalism when the interaction is useful to both the populations
✅ The correct answer is option B.
Symbiosis when the interaction is useful to both the populations.