KAS Prelims Mixed Practice Test #65

Question 1

The Government of India Act 1935 introduced:‌​‍

Accepted Answer

Provincial autonomy and a federal structure — 1935 Act gave provincial autonomy and proposed a federation (never implemented in full).‌​‍

Answer

Complete independence

Answer

Partition

Answer

Direct rule by British

Question 2

Thumba Equatorial Rocket Launching Station:‌​‍

Accepted Answer

TVM — India's first rocket launched here (1963).‌​‍

Answer

Chennai

Answer

Sriharikota

Answer

Bangalore

Question 3

Common buffer in blood maintains pH ~7.4:‌​‍

Accepted Answer

Bicarbonate (HCO₃⁻/H₂CO₃) and phosphate (HPO₄²⁻/H₂PO₄⁻) — Primary regulator of blood pH. ‌​‍Metabolic/respiratory acidosis or alkalosis when this fails.

Answer

Citrate

Answer

Phosphate only

Answer

Ammonia

Question 4

A 6-month-old infant receives their first dose of the DTaP vaccine. This type of immunity, acquired through vaccination, is best described as:

Accepted Answer

D. Artificial active immunity. — Vaccination involves introducing attenuated or inactivated pathogens, or their components, to stimulate the body's immune system to produce its own antibodies and memory cells. This process is considered artificial because it's induced by medical intervention (vaccine), and active because the host's immune system is directly involved in generating the immune response.

Answer

A. Natural passive immunity.

Answer

B. Artificial passive immunity.

Answer

C. Natural active immunity.

Question 5

River Ganga originates from which glacier?‌​‍

Accepted Answer

Gangotri — Ganga originates as Bhagirathi from Gangotri glacier; Yamuna from Yamunotri glacier.‌​‍

Answer

Milam

Answer

Siachen

Answer

Yamunotri

Question 6

Gibberellins promote:‌​‍

Accepted Answer

Stem elongation, seed germination, bolting — First isolated from fungus Gibberella fujikuroi (foolish seedling disease in rice). ‌​‍GA3 most common.

Answer

Only root growth

Answer

Abscission

Answer

Dormancy

Question 7

Kerala's main export:

Accepted Answer

Spices, cashew, seafood — Spices, cashew, seafood, coir.

Answer

Rice

Answer

Steel

Answer

Cars

Question 8

Giffen goods are:‌​‍

Accepted Answer

Inferior goods where demand rises with price (strong income effect overrides substitution) — Giffen goods (named after Robert Giffen): violate law of demand. ‌​‍Rare — mainly staple food for poor (example: potato in Irish famine, wheat in parts of China).

Answer

Luxuries

Answer

Normal goods

Answer

Free goods

Question 9

Muhammad bin Tughlaq's Qarachil expedition aim:

Accepted Answer

Himalayan conquest — Failed mountain expedition to Kumaon.

Answer

Bengal

Answer

Deccan

Answer

Mongols

Question 10

Kerala density per sq km (2011):‌​‍

Accepted Answer

860 — 860 per sq km.‌​‍

Answer

1200

Answer

1000

Answer

800

KAS Prelims Mixed Practice Test #65