KAS Prelims Mixed Practice Test #414

Question 1

The Green Revolution, a major agricultural transformation in India post-independence, significantly boosted food grain production. However, it also led to certain unintended consequences that shaped India's socio-economic landscape. Which of the following best describes a long-term socio-economic impact of the Green Revolution in India?

Accepted Answer

C. Increased regional disparities in agricultural development, particularly between irrigated and rain-fed areas, and a widening gap between large and small farmers. — The Green Revolution, while boosting food production, primarily benefited regions with assured irrigation and larger farmers who could afford the high-yielding variety seeds, fertilizers, and machinery. This led to increased regional disparities and widened the economic gap between rich and poor farmers, as rain-fed areas and small landholders struggled to adopt the new technology. Option A is incorrect as it increased disparities, B is wrong because modern techniques were widely adopted, and D is incorrect as the focus was on increasing food grain production.

Answer

A. A uniform increase in agricultural prosperity across all regions and farmer categories, leading to reduced income disparities.

Answer

B. A significant decline in the adoption of modern farming techniques due to their high initial cost and limited government support.

Answer

D. A shift towards cash crops from food grains, leading to a severe shortage of staple foods in the subsequent decades.

Question 2

English Channel between:‌​‍

Accepted Answer

UK and France — Connects Atlantic - North Sea.‌​‍

Answer

France and Spain

Answer

UK and Netherlands

Answer

UK and Ireland

Question 3

A novel drug compound formulated as an aqueous solution exhibits significant degradation when exposed to light, leading to a visible color change. This type of degradation is primarily due to:

Accepted Answer

C. Photolysis — Photolysis is the chemical decomposition or degradation of a compound caused by exposure to light energy. The observation of a color change upon light exposure is a classic indication of photolytic degradation. Hydrolysis is degradation by water, oxidation by oxygen, and racemization is the interconversion of enantiomers, none of which are primarily triggered by light exposure in this manner.

Answer

A. Hydrolysis

Answer

B. Oxidation

Answer

D. Racemization

Question 4

Hoffmann bromamide reaction:‌​‍

Accepted Answer

Amide → amine with one less carbon (Br₂ + NaOH) — RCONH₂ → RNH₂. Degradation for primary amine synthesis.‌​‍

Answer

Amide to ketone

Answer

Amide to ester

Answer

Amide to alcohol

Question 5

Reported speech change — 'said that':

Accepted Answer

Indicates indirect speech — E.g., 'He said, "I am tired"' → 'He said that he was tired.' 'That' often optional after 'said'.

Answer

Direct

Answer

Question

Answer

Exclamation

Question 6

Packing efficiency of FCC:

Accepted Answer

74.05% — Maximum in cubic systems. HCP also 74%. Simple cubic: 52.4%; BCC: 68%.

Answer

52.36%

Answer

68%

Answer

100%

Question 7

Synonym of OMNIPOTENT:‌​‍

Accepted Answer

All-powerful — Having unlimited power.‌​‍

Answer

Powerless

Answer

Weak

Answer

Limited

Question 8

Which is an auxiliary verb?

Accepted Answer

Will — 'Will' is a modal auxiliary.

Answer

Run

Answer

Happy

Answer

Quickly

Question 9

The Indian Constitution was adopted on:‌​‍

Accepted Answer

26 November 1949 — The Constitution was adopted on 26 November 1949 (now celebrated as Constitution Day). ‌​‍It came into effect on 26 January 1950 (Republic Day).

Answer

30 January 1948

Answer

15 August 1947

Answer

26 January 1950

Question 10

Kerala Kalamandalam was founded by:‌​‍

Accepted Answer

Vallathol Narayana Menon — Poet Vallathol Narayana Menon founded Kerala Kalamandalam in 1930 to promote Kerala's classical arts.‌​‍

Answer

E. M. S. Namboodiripad

Answer

K. Kelappan

Answer

K. V. Krishna Menon

KAS Prelims Mixed Practice Test #414