General Knowledge — All MCQs

Correct Answer: B

A camera uses a convex lens to form a real, inverted and diminished image on the film or digital sensor. The lens converges light rays from the object so that a smaller image is focused behind the lens.

Correct Answer: C

Dengue fever is transmitted mainly by the Aedes aegypti mosquito. This mosquito breeds in clean stagnant water and spreads the dengue virus when it bites an infected person and then another person.

Correct Answer: A

1796 is the correct answer because it matches the fact or concept tested by this question.

Correct Answer: B

2001 is the correct answer because it matches the fact or concept tested by this question.

Correct Answer: B

Amnesty International was founded in 1961 by British lawyer Peter Benenson. It became a major international human-rights organisation campaigning for prisoners of conscience and protection of civil liberties.

Correct Answer: B

0.1 s is the correct answer because it matches the fact or concept tested by this question.

Correct Answer: B

Marconi is the person or title historically associated with this fact. Such biographical MCQs test a specific contribution, office, work or distinction, so the explanation should connect the person with the achievement or role named in the question.

Correct Answer: B

A supernova is an exploding star that releases an enormous amount of energy at the end of a star’s life cycle. It may occur when a massive star collapses or when a white dwarf in a binary system undergoes runaway fusion.

Correct Answer: B

John Keats is the person or title historically associated with this fact. Such biographical MCQs test a specific contribution, office, work or distinction, so the explanation should connect the person with the achievement or role named in the question.

Correct Answer: A

Vernier callipers are suitable for measuring the internal diameter of a test tube because they have inside jaws for internal measurements. They can also measure external diameter and depth more accurately than a simple ruler.

Correct Answer: C

1853 is the correct answer because it matches the fact or concept tested by this question.

Correct Answer: B

USA is the correct answer because it matches the fact or concept tested by this question.

Correct Answer: B

Conversations with Myself is associated with Nelson Mandela and draws on his letters, notebooks and personal reflections. The work gives insight into Mandela’s political struggle, imprisonment and leadership.

Correct Answer: D

Britain is the correct answer because it matches the fact or concept tested by this question.

Correct Answer: A

Bering Strait is the correct answer because it matches the fact or concept tested by this question.

Correct Answer: D

21 June is the relevant record-holder among the listed choices for this general-knowledge comparison. Superlative questions test a ranked fact, so the explanation depends on the accepted measurement used in the syllabus, such as area, height, length, depth, population or duration.

Correct Answer: A

Little boy is the person or title historically associated with this fact. Such biographical MCQs test a specific contribution, office, work or distinction, so the explanation should connect the person with the achievement or role named in the question.

Correct Answer: B

Koh-e-Judi is traditionally identified with a mountain in Turkey associated in Islamic tradition with the resting place of Prophet Nuh’s Ark. It is mentioned in Qur’anic discussion of the flood narrative.

Correct Answer: A

Koh-e-Toor is associated with Mount Sinai, where Hazrat Musa (A.S.) is traditionally believed to have received divine revelation. It is therefore linked with prophetic history rather than South Asian geography.

Correct Answer: B

1972 is the person or title historically associated with this fact. Such biographical MCQs test a specific contribution, office, work or distinction, so the explanation should connect the person with the achievement or role named in the question.