Plus 2 Lecturer Mixed Practice Test #325

Question 1

Chandrayaan-3 landed on the Moon in:‌​‍

Accepted Answer

August 2023 — 23 August 2023.‌​‍

Answer

July 2023

Answer

September 2023

Answer

October 2023

Question 2

Which of the following drugs is derived from the latex of a plant and used as a purgative?

Accepted Answer

C. Aloin — Aloin is a purgative obtained from the latex of Aloe barbadensis (Aloe vera). Opium is from Papaver somniferum, colchicine from Colchicum autumnale, and quinine from Cinchona bark.

Answer

A. Opium

Answer

B. Colchicine

Answer

D. Quinine

Question 3

The general formula of alkynes is:‌​‍

Accepted Answer

CₙH₂ₙ₋₂ — Alkynes have one C≡C triple bond; formula CₙH₂ₙ₋₂.‌​‍

Answer

CₙH₂ₙ₊₂

Answer

CₙH₂ₙ₊₁

Answer

CₙH₂ₙ

Question 4

A key recommendation of NEP 2020 is the integration of vocational education into mainstream schooling. What is the policy's target for the percentage of students who should have exposure to vocational education by 2025?

Accepted Answer

B. At least 50% of students — The National Education Policy 2020 aims to integrate vocational education into all schools and higher education institutions, targeting that at least 50% of learners, by 2025, should have exposure to vocational education. This is a significant increase from the current scenario and emphasizes making vocational education accessible and mainstream. The other percentages are not the specific target mentioned in the policy document.

Answer

A. At least 25% of students

Answer

C. At least 75% of students

Answer

D. At least 100% of students

Question 5

The Tyndall effect is exhibited by:

Accepted Answer

Colloids — Colloidal particles scatter light, making beam visible — Tyndall effect.

Answer

True solutions

Answer

Gases only

Answer

Pure liquids

Question 6

The Subsidiary Alliance system was devised by:‌​‍

Accepted Answer

Lord Wellesley (Governor-General 1798-1805) — Indian states maintained Company troops, surrendered foreign relations. ‌​‍First accepted by Nizam of Hyderabad 1798. Brought Mysore, Awadh, Marathas into British orbit.

Answer

Robert Clive

Answer

Cornwallis

Answer

Dalhousie

Question 7

Study of nervous system:‌​‍

Accepted Answer

Neurology — Neurology.‌​‍

Answer

Hepatology

Answer

Cardiology

Answer

Psychology

Question 8

IQ = (MA/CA) × 100 was defined by:‌​‍

Accepted Answer

Stern (William Stern, 1912) — MA = mental age (from Binet-Simon test). ‌​‍CA = chronological age. Modern IQ uses standard scores (mean 100, SD 15).

Answer

Binet

Answer

Spearman

Answer

Gardner

Question 9

Vulcanisation of rubber involves adding:‌​‍

Accepted Answer

Sulphur to cross-link chains — Vulcanisation (Charles Goodyear) cross-links rubber polymer chains with sulphur, improving elasticity and strength.‌​‍

Answer

Water

Answer

Carbon

Answer

Nitrogen

Question 10

Forest Conservation Act:‌​‍

Accepted Answer

1980 — 1980.‌​‍

Answer

1986

Answer

1972

Answer

2002

Plus 2 Lecturer Mixed Practice Test #325