Plus 2 Lecturer Mixed Practice Test #867

Question 1

A car rounding a banked curve (friction negligible) has ideal speed v given by:‌​‍

Accepted Answer

v = √(gr tan θ) — Banking angle: tan θ = v²/gr. No friction required at this speed.‌​‍

Answer

v = 2πr

Answer

v = √(g/r)

Answer

v = gr sin θ

Question 2

The Nobel Peace Prize is awarded at:‌​‍

Accepted Answer

Oslo, Norway — The Nobel Peace Prize is awarded in Oslo, Norway. ‌​‍All other Nobel Prizes (Physics, Chemistry, Medicine, Literature, Economics) are awarded in Stockholm, Sweden.

Answer

Stockholm, Sweden

Answer

Geneva, Switzerland

Answer

The Hague, Netherlands

Question 3

Gene therapy:‌​‍

Accepted Answer

Replace/modify defective genes — Therapeutic gene modification.‌​‍

Answer

Diet

Answer

Surgery

Answer

Drug therapy

Question 4

Lungs are located in:‌​‍

Accepted Answer

Thoracic cavity — Thoracic cavity (chest).‌​‍

Answer

Head

Answer

Abdomen

Answer

Pelvic

Question 5

The speed of sound in air is approximately:‌​‍

Accepted Answer

343 m/s — Speed of sound in air ≈ 343 m/s (at 20°C). Much slower than light (3×10⁸ m/s).‌​‍

Answer

100 m/s

Answer

3,000 m/s

Answer

300,000 m/s

Question 6

Synonym of EVIDENT:‌​‍

Accepted Answer

Obvious — Evident = clearly seen/known.‌​‍

Answer

Secret

Answer

Doubtful

Answer

Hidden

Question 7

Tipu Sultan invasions of Malabar:

Accepted Answer

1766 onwards — From 1766.

Answer

1800

Answer

1857

Answer

1750

Question 8

Which of the following geographical features is LEAST characteristic of Kerala's 'Midland' physiographic region?

Accepted Answer

D. Significant areas of mangroves and estuarine ecosystems. — The Midland region of Kerala is primarily characterized by undulating laterite hills, fertile river valleys, and is a hub for diverse cash crop cultivation (A, B). Rivers originating from the Western Ghats traverse this region before reaching the coast (C). Mangroves and estuarine ecosystems, however, are distinct features of the Lowland or coastal physiographic region, making them least characteristic of the Midland.

Answer

A. Extensive laterite soil deposits and undulating terrain.

Answer

B. Cultivation of diverse cash crops like rubber, pepper, and cashew.

Answer

C. Presence of numerous small to medium-sized rivers originating from the Western Ghats.

Question 9

The centre of Salt Satyagraha in Kerala was:‌​‍

Accepted Answer

Payyannur — K. Kelappan led the Salt Satyagraha march to Payyannur beach in 1930.‌​‍

Answer

Alleppey

Answer

Thiruvananthapuram

Answer

Calicut

Question 10

Planet closest to Sun:‌​‍

Accepted Answer

Mercury — Mercury.‌​‍

Answer

Venus

Answer

Mars

Answer

Earth

Plus 2 Lecturer Mixed Practice Test #867