KAS Prelims Mixed Practice Test #255

Question 1

The term 'macroeconomics' was coined by:‌​‍

Accepted Answer

Ragnar Frisch (Norwegian economist) — Ragnar Frisch coined 'macroeconomics' in 1933. ‌​‍Awarded first Nobel in Economics (1969) with Jan Tinbergen.

Answer

John Maynard Keynes

Answer

Adam Smith

Answer

Paul Samuelson

Question 2

Indirect: She said, 'Don't go there.'‌​‍

Accepted Answer

She said not to go there — Negative command: said/told/ordered + not to + V1.‌​‍

Answer

She told not to go there

Answer

She ordered not to go there

Answer

She forbade to go there

Question 3

Which enzyme, primarily secreted in the stomach, is responsible for initiating the digestion of proteins?

Accepted Answer

C. Pepsin — Pepsin is a powerful proteolytic enzyme secreted by the chief cells of the stomach in its inactive form, pepsinogen, and activated by hydrochloric acid. It is responsible for beginning the breakdown of proteins into smaller polypeptides. Amylase digests carbohydrates, lipase digests fats, and trypsin is a pancreatic enzyme that continues protein digestion in the small intestine.

Answer

A. Amylase

Answer

B. Lipase

Answer

D. Trypsin

Question 4

First elected Communist government in the world was formed in:

Accepted Answer

Kerala 1957 — E. M. S. Namboodiripad-led CPI government in Kerala (1957) was the first democratically elected Communist government in the world.

Answer

Russia

Answer

West Bengal 1977

Answer

China 1949

Question 5

Reserpine, an indole alkaloid isolated from Rauwolfia serpentina, exerts its pharmacological effect primarily by:

Accepted Answer

C. Depleting catecholamine and serotonin stores in presynaptic neurons. — Reserpine acts by irreversibly binding to the vesicular monoamine transporter (VMAT), preventing the uptake and storage of neurotransmitters like norepinephrine, dopamine, and serotonin into synaptic vesicles. This depletion of neurotransmitter stores leads to its antihypertensive and sedative effects.

Answer

A. Directly stimulating adrenergic receptors, leading to vasoconstriction.

Answer

B. Inhibiting the reuptake of norepinephrine, serotonin, and dopamine.

Answer

D. Acting as a competitive antagonist at muscarinic acetylcholine receptors.

Question 6

pH below 7.35:‌​‍

Accepted Answer

Acidosis — Acidic blood condition.‌​‍

Answer

Neutral

Answer

Normal

Answer

Alkalosis

Question 7

India's largest delta:

Accepted Answer

Sundarbans — Sundarbans (Ganga-Brahmaputra delta) — world's largest mangrove delta.

Answer

Godavari Delta

Answer

Krishna Delta

Answer

Mahanadi Delta

Question 8

The age of Earth is estimated at:‌​‍

Accepted Answer

~4.54 billion years — Radiometric dating of meteorites places Earth's age at 4.54 ± 0.05 Ga.‌​‍

Answer

~1 billion years

Answer

~10 billion years

Answer

~100 million years

Question 9

Palakkad is known as:‌​‍

Accepted Answer

Granary of Kerala — Palakkad is called the 'Granary of Kerala' (Rice Bowl of Kerala) because of its extensive paddy cultivation, facilitated by the Palakkad Gap.‌​‍

Answer

Cultural Capital of Kerala

Answer

Queen of Arabian Sea

Answer

Venice of the East

Question 10

Which preposition: 'She is married ___ a doctor.'

Accepted Answer

to — 'Married to' someone.

Answer

with

Answer

in

Answer

on

KAS Prelims Mixed Practice Test #255