KAS Prelims Mixed Practice Test #883

Question 1

Universal donor:‌​‍

Accepted Answer

O — O group.‌​‍

Answer

A

Answer

B

Answer

AB

Question 2

The 61st Amendment (1988) reduced the voting age from:‌​‍

Accepted Answer

21 to 18 — 61st Amendment lowered voting age from 21 to 18, expanding the electorate significantly.‌​‍

Answer

25 to 21

Answer

18 to 16

Answer

21 to 19

Question 3

DPT covers:‌​‍

Accepted Answer

Diphtheria, Pertussis, Tetanus — Three diseases.‌​‍

Answer

Polio

Answer

Measles

Answer

TB

Question 4

Doppler effect observed frequency when source approaches stationary observer:‌​‍

Accepted Answer

Higher than actual — f' = f(v/(v - v_s)) for approaching source. ‌​‍Used in radar, astronomy (redshift).

Answer

Same

Answer

Lower

Answer

Zero

Question 5

Dialysis:‌​‍

Accepted Answer

Artificial filtration — Replaces kidney function.‌​‍

Answer

Implant

Answer

Medication

Answer

Surgery

Question 6

Green Revolution states:

Accepted Answer

Punjab, Haryana, Western UP — Mainly NW India.

Answer

All India

Answer

Only Punjab

Answer

NE

Question 7

To promote moral reasoning, cultural awareness, and understanding of universal human values among elementary students, a teacher frequently incorporates short narratives into her lessons. Which literary form is most appropriate for achieving these particular educational objectives?

Accepted Answer

C. Traditional fables and folktales from diverse cultures. — Fables and folktales are short, often simple narratives that traditionally convey moral lessons and cultural insights, making them highly effective for teaching moral reasoning and universal human values to elementary students. They also introduce students to diverse cultural perspectives in an accessible narrative format, unlike factual biographies, complex philosophy, or current events.

Answer

A. Autobiographical accounts of famous scientists.

Answer

B. Excerpts from complex philosophical treatises.

Answer

D. Contemporary news reports on global political events.

Question 8

Which structural feature is essential for the antibacterial activity of sulfonamides, acting as a para-aminobenzoic acid (PABA) analog?

Accepted Answer

A. The presence of a primary amino group (-NH2) at the para position to the sulfonyl group. — Sulfonamides exert their antibacterial effect by mimicking PABA, which is a substrate for bacterial dihydropteroate synthase. The primary amino group at the para position to the sulfonyl group is crucial for this competitive inhibition, blocking bacterial folic acid synthesis. Other modifications would typically reduce or abolish activity.

Answer

B. A secondary amino group (-NHR) at the meta position to the sulfonyl group.

Answer

C. A carboxylic acid group (-COOH) attached to the benzene ring.

Answer

D. An alkyl group attached to the sulfonyl nitrogen.

Question 9

A teacher observes that her students, despite knowing a lot of grammar rules and vocabulary, struggle to use English effectively in everyday conversations and real-life scenarios like making inquiries or expressing opinions. To address this, she decides to shift her teaching approach to prioritize authentic language use and interaction over rote memorization of rules. Which of the following language teaching methods best aligns with this pedagogical shift?

Accepted Answer

C. Communicative Language Teaching (CLT) — Communicative Language Teaching (CLT) focuses on enabling learners to communicate effectively and appropriately in various real-life situations, emphasizing meaning and interaction over mere grammatical accuracy. The Grammar-Translation Method (GTM) focuses on rules and translation, while the Audio-Lingual Method (ALM) emphasizes habit formation through drills. Total Physical Response (TPR) primarily focuses on listening comprehension through physical actions.

Answer

A. Grammar-Translation Method (GTM)

Answer

B. Audio-Lingual Method (ALM)

Answer

D. Total Physical Response (TPR)

Question 10

Synonym of DILATORY:

Accepted Answer

Slow/delaying — Tending to delay.

Answer

Punctual

Answer

Fast

Answer

Efficient

KAS Prelims Mixed Practice Test #883