KAS Prelims Mixed Practice Test #7

Question 1

Liquid metal:‌​‍

Accepted Answer

Mercury — Mercury (Hg).‌​‍

Answer

Gold

Answer

Silver

Answer

Platinum

Question 2

Earth's age is approximately:‌​‍

Accepted Answer

~4.54 billion years — Dated via radiometric dating of meteorites and oldest rocks. ‌​‍Universe: ~13.8 billion years (Big Bang).

Answer

1 million

Answer

100 million

Answer

13.8 billion (universe)

Question 3

Synonym of ABSTRUSE:

Accepted Answer

Obscure — Difficult to understand.

Answer

Clear

Answer

Simple

Answer

Easy

Question 4

T20 World Cup 2024 won by:‌​‍

Accepted Answer

India — India won T20 WC 2024 in the West Indies/USA, beating SA in final.‌​‍

Answer

South Africa

Answer

Australia

Answer

England

Question 5

What is the primary mechanism of action of statins (HMG-CoA reductase inhibitors) in lowering cholesterol?

Accepted Answer

C. Reducing cholesterol synthesis in the liver by inhibiting a key enzyme. — Statins work by competitively inhibiting HMG-CoA reductase, a crucial enzyme in the mevalonate pathway responsible for endogenous cholesterol synthesis in the liver. This reduction in hepatic cholesterol synthesis leads to an upregulation of LDL receptors on hepatocytes, increasing the clearance of LDL from the blood. Other options describe mechanisms of different lipid-lowering drugs.

Answer

A. Increasing the excretion of bile acids.

Answer

B. Inhibiting the absorption of dietary cholesterol from the intestine.

Answer

D. Enhancing the activity of lipoprotein lipase.

Question 6

Vagamon:‌​‍

Accepted Answer

Idukki — Idukki.‌​‍

Answer

Pathanamthitta

Answer

Ernakulam

Answer

Kottayam

Question 7

Which is NOT a colligative property?

Accepted Answer

Viscosity — Colligative properties depend on particle number: ΔTb, ΔTf, osmotic pressure, vapour pressure lowering.

Answer

Boiling point elevation

Answer

Freezing point depression

Answer

Osmotic pressure

Question 8

The Indian who shared Nobel Peace Prize 2014 is:‌​‍

Accepted Answer

Kailash Satyarthi — Kailash Satyarthi (India) shared 2014 Nobel Peace Prize with Malala for child rights work.‌​‍

Answer

Dhoni

Answer

Malala Yousafzai

Answer

Sachin Tendulkar

Question 9

In Howard Gardner's Theory of Multiple Intelligences, which intelligence type is most closely associated with the ability to understand and manage one's own emotions effectively?

Accepted Answer

B. Intrapersonal Intelligence — Intrapersonal intelligence involves self-awareness and the ability to understand and regulate one's own emotions. Option B is correct, while interpersonal intelligence (A) relates to understanding others' emotions, and the other options (C, D) are unrelated to emotional self-management.

Answer

A. Interpersonal Intelligence

Answer

C. Linguistic Intelligence

Answer

D. Naturalistic Intelligence

Question 10

A teacher designs a science lesson where students work in small groups to design and conduct experiments to test different hypotheses about plant growth, rather than simply reading a textbook chapter. This approach primarily aligns with which core principle of constructivism?

Accepted Answer

C. Learners actively construct their understanding through experience and reflection. — Constructivism emphasizes that learners are not empty vessels but active participants who build their own knowledge structures. By designing and conducting experiments, students are directly engaging with the content, experiencing it, and reflecting on their findings, which is the essence of active knowledge construction. Options A, B, and D represent opposing pedagogical views.

Answer

A. Learning is a process of passive absorption of information.

Answer

B. Knowledge is best transmitted through direct instruction from an expert.

Answer

D. The primary goal of education is rote memorization of facts.

KAS Prelims Mixed Practice Test #7