LDC Mixed Practice Test #273

Question 1

The Preamble of the Indian Constitution was amended by which amendment to add 'Socialist, Secular, Integrity'?‌​‍

Accepted Answer

42nd — 42nd Amendment (1976) added 'Socialist', 'Secular', and 'Integrity' to the Preamble.‌​‍

Answer

61st

Answer

73rd

Answer

44th

Question 2

Which of the following best defines Brewster's angle?‌​‍

Accepted Answer

Angle at which refracted ray is perpendicular to reflected; reflected is fully polarised — tan θB = n₂/n₁. ‌​‍For glass-air θB ≈ 57°. Polarising sunglasses use this principle.

Answer

45°

Answer

Zero

Answer

Critical angle

Question 3

Antonym of CONSERVATIVE:‌​‍

Accepted Answer

Progressive — Conservative ↔ progressive.‌​‍

Answer

Formal

Answer

Strict

Answer

Traditional

Question 4

'My friend showed me the ropes' — idiom means:‌​‍

Accepted Answer

Teach or guide someone, especially in a new job — 'Show someone the ropes' = teach them how to do a job/task.‌​‍

Answer

Solve a problem independently

Answer

Leave someone to succeed or fail alone

Answer

Take care of oneself

Question 5

Superlative of 'bad':‌​‍

Accepted Answer

worst — Bad - worse - worst.‌​‍

Answer

badder

Answer

worse

Answer

baddest

Question 6

A teacher notices that some students are disengaged in class despite being rewarded with stars for participation. Which theoretical perspective best explains this behavior?

Accepted Answer

C. Self-Determination Theory (lack of autonomy in learning) — Extrinsic motivation relies on external rewards, which can sometimes reduce intrinsic motivation or fail to engage students meaningfully. The teacher's approach (rewarding participation) aligns with extrinsic motivation, explaining the disengagement when rewards are perceived as controlling rather than meaningful. Options A, C, and D address different theoretical gaps.

Answer

A. Maslow's Hierarchy of Needs (deficit in esteem needs)

Answer

B. Extrinsic Motivation Theory (over-reliance on external rewards)

Answer

D. Behaviorist Theory (insufficient reinforcement)

Question 7

Chandrayaan-3 successfully landed on the Moon on:‌​‍

Accepted Answer

23 August 2023 — Chandrayaan-3's Vikram lander successfully soft-landed on the Moon's south pole on 23 August 2023, making India the 4th country to land on the Moon.‌​‍

Answer

23 July 2023

Answer

14 September 2023

Answer

23 October 2023

Question 8

Reported speech: He said, 'I am reading a book.'‌​‍

Accepted Answer

He said that he was reading a book. — Present → past tense shift in reported speech.‌​‍

Answer

He says he was reading a book.

Answer

He said he read a book.

Answer

He said he is reading a book.

Question 9

Single citizenship source:‌​‍

Accepted Answer

UK — UK.‌​‍

Answer

Canada

Answer

Ireland

Answer

US

Question 10

The protocol used for secure web browsing is:‌​‍

Accepted Answer

HTTPS — HTTPS = HTTP Secure, encrypts data between browser and website using SSL/TLS.‌​‍

Answer

HTTP

Answer

FTP

Answer

SMTP

LDC Mixed Practice Test #273