LGS Mixed Practice Test #244

Question 1

WHO declared mpox (monkeypox) a global health emergency in:‌​‍

Accepted Answer

2022 — WHO first declared mpox a Public Health Emergency of International Concern in July 2022.‌​‍

Answer

2023

Answer

2025

Answer

2024

Question 2

Deccan Traps formed in:‌​‍

Accepted Answer

Late Cretaceous (~66 mya, around K-Pg boundary) — Flood basalts covering ~500,000 km². ‌​‍Contributed (with Chicxulub impact) to dinosaur extinction. Named for step-like terrain (Dutch 'trap').

Answer

Pleistocene

Answer

Cenozoic

Answer

Jurassic

Question 3

During a science lesson, a teacher asks students to predict what will happen if a plant is placed in a dark room for a week. This question aligns with which component of the 5E model?

Accepted Answer

A. Engage — The 'Engage' phase often begins with a thought-provoking question to stimulate curiosity, which is what the teacher is doing here. 'Explore' (B) involves active investigation, 'Explain' (C) involves clarifying concepts, and 'Evaluate' (D) involves assessing understanding.

Answer

B. Explore

Answer

C. Explain

Answer

D. Evaluate

Question 4

Willingdon Island is in:‌​‍

Accepted Answer

Kochi — Man-made island in Kochi, built by Robert Bristow for port development.‌​‍

Answer

Mumbai

Answer

Chennai

Answer

Kolkata

Question 5

The SI unit of force is:‌​‍

Accepted Answer

Newton — 1 N = 1 kg·m/s²; force needed to accelerate 1 kg at 1 m/s².‌​‍

Answer

Watt

Answer

Joule

Answer

Pascal

Question 6

Focal length of a spherical mirror is related to radius of curvature R as:

Accepted Answer

f = R/2 — For concave/convex mirrors, focal length is half the radius of curvature.

Answer

f = R

Answer

f = 2R

Answer

f = R²

Question 7

The CNG used in vehicles is mainly:

Accepted Answer

Methane — Compressed Natural Gas (CNG) is mostly CH₄; cleaner than petrol/diesel.

Answer

Butane

Answer

Ethane

Answer

Propane

Question 8

A codon consists of how many nucleotides?‌​‍

Accepted Answer

3 — Codon = 3 nucleotides specifying one amino acid (or stop signal).‌​‍

Answer

1

Answer

2

Answer

4

Question 9

One who studies animals is a:

Accepted Answer

Zoologist — Zoology = study of animals; botanist = plants; geologist = rocks/earth.

Answer

Botanist

Answer

Geologist

Answer

Archaeologist

Question 10

The economic reforms introduced in India in 1991 marked a significant paradigm shift from the earlier state-led development model. What was the most profound change in the Indian state's approach to economic management post-1991?

Accepted Answer

B. The state's role transitioned from being a dominant producer and controller to primarily acting as a facilitator and regulator of economic activity. — The 1991 economic reforms fundamentally changed the state's role from a central planner and dominant producer to a facilitator and regulator. This involved reducing licensing, opening up sectors to private investment, and integrating India more with the global economy, allowing market forces a greater role while the state focused on creating an enabling environment. Options A, C, and D misrepresent the extent or direction of these reforms.

Answer

A. The state completely withdrew from all economic sectors, privatizing every public sector undertaking.

Answer

C. The government significantly increased its direct allocation of resources to heavy industries to achieve rapid industrialization.

Answer

D. The focus shifted entirely towards agrarian development, with industrial growth being de-emphasized to prioritize rural upliftment.

LGS Mixed Practice Test #244