LGS Mixed Practice Test #446

Question 1

Which type of mirror is used as a rear-view mirror in vehicles?‌​‍

Accepted Answer

Convex — Convex mirrors give a wide field of view with upright images.‌​‍

Answer

Concave

Answer

Plane

Answer

Oval

Question 2

Kerala's physiographic zones:‌​‍

Accepted Answer

Highland, Midland, Lowland — West: lowland (coast 590 km). ‌​‍Middle: midland (rice, coconut). East: highland (Western Ghats).

Answer

Only plains

Answer

Only coast

Answer

Only hills

Question 3

A teacher frequently uses rewards like stickers, extra play time, and public praise for every small achievement in class. While initially effective, some students seem to lose interest in tasks once the rewards are no longer offered. This phenomenon is best explained by the potential for excessive extrinsic motivation to:

Accepted Answer

B. Undermine intrinsic motivation by shifting focus to external rewards. — Over-reliance on extrinsic rewards can sometimes diminish a student's intrinsic motivation. When the primary motivator becomes the external reward rather than the inherent enjoyment or challenge of the task, the activity loses its appeal once the reward is removed, thus undermining internal drive.

Answer

A. Enhance intrinsic motivation by building confidence.

Answer

C. Foster a stronger sense of self-actualization among students.

Answer

D. Create a competitive learning environment that benefits all students.

Question 4

Kashi Vishwanath Corridor:‌​‍

Accepted Answer

2021 inauguration — 13 Dec 2021.‌​‍

Answer

2024

Answer

2019

Answer

2023

Question 5

The gas used in fire extinguishers is:‌​‍

Accepted Answer

Carbon Dioxide — Carbon Dioxide (CO₂) is used in fire extinguishers because it is heavier than air, non-combustible, and smothers the fire by cutting off oxygen supply.‌​‍

Answer

Oxygen

Answer

Hydrogen

Answer

Nitrogen

Question 6

The device used to measure electric current is:‌​‍

Accepted Answer

Ammeter — Ammeter measures current (connected in series). ‌​‍Voltmeter measures voltage (connected in parallel).

Answer

Voltmeter

Answer

Galvanometer

Answer

Ohmmeter

Question 7

Vakkom Abdul Khader Moulavi founded which newspaper?

Accepted Answer

Swadeshabhimani — Vakkom Moulavi founded Swadeshabhimani (1905); later edited by Ramakrishna Pillai.

Answer

Mathrubhumi

Answer

Manorama

Answer

Deepika

Question 8

In IT Act 2000, which section deals with punishment of cyber terrorism?

Accepted Answer

66(F) — Section 66F of the IT Act defines and punishes cyber terrorism.

Answer

66(B)

Answer

66(E)

Answer

45(F)

Question 9

Electronic configuration of Cr (Z=24):‌​‍

Accepted Answer

[Ar] 3d⁵ 4s¹ — Half-filled d (3d⁵) is extra-stable. ‌​‍Cu similarly [Ar] 3d¹⁰ 4s¹ — exception to aufbau.

Answer

[Ar] 3d⁶

Answer

[Ar] 3d⁴ 4s²

Answer

[Ar] 4s² 4p⁴

Question 10

The Davis Cup is associated with:‌​‍

Accepted Answer

Tennis — Davis Cup is the premier international team event in men's tennis.‌​‍

Answer

Football

Answer

Cricket

Answer

Golf

LGS Mixed Practice Test #446