LGS Mixed Practice Test #633

Question 1

Radiation from the Sun primarily reaches Earth as:‌​‍

Accepted Answer

Electromagnetic radiation (light and heat) — Sun radiates EM waves (visible, IR, UV) across ~150 million km.‌​‍

Answer

Sound waves

Answer

Mechanical waves

Answer

Nuclear particles

Question 2

A trainee teacher conducts a microteaching session on 'asking questions' but struggles with wait-time and student involvement. Which skill component should be prioritized for immediate improvement?

Accepted Answer

C. Allowing 3–5 seconds of wait-time after posing a question — Wait-time (C) is a proven strategy to enhance student participation and critical thinking. While question complexity (A) and type (B) matter, foundational skills like wait-time must be mastered first. Reducing questions (D) is counterproductive.

Answer

A. Increasing the complexity of questions asked

Answer

B. Using open-ended questions instead of yes/no questions

Answer

D. Reducing the number of questions to avoid confusion

Question 3

Bowen's Reaction Series describes:‌​‍

Accepted Answer

Order of mineral crystallisation from magma — Discontinuous (olivine → pyroxene → amphibole → biotite) and continuous (Ca-plagioclase → Na-plagioclase) branches. ‌​‍Norman L. Bowen.

Answer

Weathering

Answer

Tectonics

Answer

Volcanic eruption

Question 4

Limestone (CaCO₃) in the blast furnace acts as:

Accepted Answer

Flux to remove silica impurity — CaCO₃ → CaO + CO₂; CaO + SiO₂ → CaSiO₃ (slag).

Answer

Oxidising agent

Answer

Main fuel

Answer

Reducing agent

Question 5

The human heart beats approximately how many times per minute at rest?‌​‍

Accepted Answer

72 — Normal resting heart rate averages 60–100 bpm; textbook figure ~72.‌​‍

Answer

60

Answer

100

Answer

30

Question 6

Neeraj's record throw:‌​‍

Accepted Answer

89.94m — 89.94m — Stockholm 2022 season best.‌​‍

Answer

88.77m

Answer

Olympics Gold

Answer

90m

Question 7

IPL 2024 MVP:‌​‍

Accepted Answer

Sunil Narine — Narine — player of tournament.‌​‍

Answer

Gautam Gambhir

Answer

Virat

Answer

Pat Cummins

Question 8

Which of the following structures is primarily responsible for the regulation of body temperature?

Accepted Answer

A. Hypothalamus — The hypothalamus acts as the body's thermostat by detecting changes in body temperature and initiating responses to maintain homeostasis. The pituitary gland regulates hormones, the thyroid controls metabolism, and the adrenal gland manages stress responses, none of which directly regulate temperature.

Answer

B. Pituitary gland

Answer

C. Thyroid gland

Answer

D. Adrenal gland

Question 9

The famous Electricity Agitation happened in 1936 at:‌​‍

Accepted Answer

Thrissur — Electricity Agitation 1936 took place in Thrissur (Cochin region).‌​‍

Answer

Kollam

Answer

Travancore

Answer

Kasargod

Question 10

India's rank in the 2024 Global Innovation Index:‌​‍

Accepted Answer

39th — India ranked 39th in the 2024 Global Innovation Index, up from 40th in 2023, top among lower-middle-income economies.‌​‍

Answer

40th

Answer

38th

Answer

48th

LGS Mixed Practice Test #633