LDC Mixed Practice Test #715

Question 1

'Close the window' — change into Passive Voice:‌​‍

Accepted Answer

Let the window be closed. — Imperative passive → 'Let + object + be + past participle'.‌​‍

Answer

Let the window shall be closed.

Answer

Let the window should be closed.

Answer

Let the window has been closed.

Question 2

1 km = ___ meters:

Accepted Answer

1000 — 1000 m.

Answer

100

Answer

10000

Answer

500

Question 3

Parliament's special powers in State List:

Accepted Answer

All — All three mechanisms.

Answer

Art 249 (RS resolution)

Answer

Art 250 (Emergency)

Answer

Art 252 (state consent)

Question 4

Who was the first woman in India to become a school teacher?

Accepted Answer

A. Savitribai Phule — Savitribai Phule holds this historic distinction as she began teaching in 1848 at the Bhudevi Patil's school in Pune, pioneering women's education in India. The other options are significant but wrong: Kadambini Ganguly was a physician, Anandibai Joshee was a physician, and Fatima Sheikh co-founded India's first school for girls with Savitribai.

Answer

B. Kadambini Ganguly

Answer

C. Anandibai Joshee

Answer

D. Fatima Sheikh

Question 5

Limit lim(x→∞) (1 + 1/x)^x =‌​‍

Accepted Answer

e — Definition of Euler's number. Also arises in continuous compounding.‌​‍

Answer

0

Answer

1

Answer

∞

Question 6

'Call off' means:

Accepted Answer

Cancel — Call off = cancel something.

Answer

Telephone

Answer

Visit

Answer

Shout

Question 7

Chirality in organic molecules requires:‌​‍

Accepted Answer

sp³ carbon bonded to four different groups — Stereocenter. ‌​‍Pair of enantiomers rotate plane of polarized light oppositely. Important in drugs (thalidomide disaster).

Answer

sp carbon

Answer

sp² carbon

Answer

Double bond

Question 8

The concept of Directive Principles was borrowed from:

Accepted Answer

Irish Republic — DPSP borrowed from the Irish Constitution of 1937.

Answer

Switzerland

Answer

Constitution of USA

Answer

Constitution of UK

Question 9

The superlative form of 'old' is:‌​‍

Accepted Answer

Oldest — Regular comparison: old — older — oldest. ‌​‍(Elder/eldest used for family members.)

Answer

Older

Answer

Elder

Answer

More old

Question 10

'Fast' as an adjective vs adverb — in 'He runs fast', 'fast' is a(n):‌​‍

Accepted Answer

Adverb — Here 'fast' modifies the verb 'runs' → it's an adverb.‌​‍

Answer

Noun

Answer

Verb

Answer

Adjective

LDC Mixed Practice Test #715