KAS Prelims Mixed Practice Test #669

Question 1

Which of the following body defenses is considered a NON-SPECIFIC immune response?

Accepted Answer

B. Phagocytosis by neutrophils and macrophages — Phagocytosis by neutrophils and macrophages is a non-specific immune response as it targets a wide range of pathogens without prior sensitization. Antibody production (Option A) and T-helper cell activation (Option C) are specific immune responses; memory cell formation (Option D) is a feature of adaptive immunity.

Answer

A. Production of antibodies by B lymphocytes

Answer

C. Activation of T-helper cells

Answer

D. Memory cell formation after vaccination

Question 2

Synonym of CLANDESTINE:

Accepted Answer

Secret — Clandestine = kept secret, done secretly.

Answer

Open

Answer

Legal

Answer

Public

Question 3

The oxygen-carrying pigment in human muscles is:‌​‍

Accepted Answer

Myoglobin — Myoglobin stores oxygen in muscle tissue; higher in diving mammals.‌​‍

Answer

Chlorophyll

Answer

Haemoglobin

Answer

Melanin

Question 4

A teacher observes that her students are highly engaged in a science project, spending extra hours voluntarily, collaborating effectively, and showing genuine curiosity about the topic, even without the promise of extra marks or rewards. This scenario primarily demonstrates which type of motivation?

Accepted Answer

B. Intrinsic motivation — Intrinsic motivation stems from internal desires and enjoyment of the activity itself, as evidenced by the students' voluntary engagement, curiosity, and collaboration without external rewards. Extrinsic motivation would involve external incentives like marks or prizes. Achievement and affiliation are specific types of motivational drives but do not represent the core classification as well as intrinsic motivation in this context.

Answer

A. Extrinsic motivation

Answer

C. Achievement motivation

Answer

D. Affiliation motivation

Question 5

Loka Kerala Sabha comprises:

Accepted Answer

Legislators + expatriates abroad + expatriates in other states — Loka Kerala Sabha brings together Kerala legislators, parliamentarians and Keralite expatriates globally and across India.

Answer

Only expatriates abroad

Answer

Legislators from Kerala + elected expatriates abroad

Answer

Legislators + expatriates in other states

Question 6

Choose the correct synonym for 'fast' in: He is a fast swimmer.‌​‍

Accepted Answer

Quick — 'Fast' means 'quick'.‌​‍

Answer

Energetic

Answer

Great

Answer

Slow

Question 7

Chanhudaro unique because:‌​‍

Accepted Answer

No citadel — Only major site without a citadel.‌​‍

Answer

Only port

Answer

Only temple

Answer

Largest site

Question 8

How many rivers does Kerala have?‌​‍

Accepted Answer

44 — Kerala has 44 rivers — 41 flowing west into the Arabian Sea, 3 flowing east.‌​‍

Answer

34

Answer

38

Answer

50

Question 9

Which statements about the Kuroshio ocean current system are true? (i) warm currents (ii) flow along Philippines, Japan, China coasts (iii) derive energy from trade winds (iv) Tsushima current is part of it

Accepted Answer

i and ii only — Kuroshio is powered by westerly winds, not trade winds, and Tsushima flows off in the Sea of Japan.

Answer

i, ii and iii only

Answer

i and iii only

Answer

All of the above

Question 10

The birthplace of the Human Relations Theory in administration is:‌​‍

Accepted Answer

The Hawthorne Plant of Western Electric Company — Elton Mayo's Hawthorne Studies (1924–32) at Western Electric gave birth to the school.‌​‍

Answer

Bell Labs

Answer

Toyota Motor Corporation

Answer

NASA

KAS Prelims Mixed Practice Test #669