DCOA Mixed Practice Test #619

Question 1

Reported speech of 'Sita said, "I am going to school."'

Accepted Answer

Sita said that she was going to school — Present continuous → past continuous; 'I' → 'she'.

Answer

Sita said that she is going to school

Answer

Sita says she is going to school

Answer

Sita said I am going to school

Question 2

Which Kerala national park has the largest population of lion-tailed macaques?

Accepted Answer

Silent Valley — Silent Valley NP in Palakkad shelters the largest lion-tailed macaque population.

Answer

Anamudi Shola

Answer

Mathikettan Shola

Answer

Eravikulam

Question 3

Curie temperature is:‌​‍

Accepted Answer

Temperature above which ferromagnet becomes paramagnet — Thermal agitation destroys domain alignment. For iron Tc ≈ 1043 K.‌​‍

Answer

Absolute zero

Answer

Boiling point

Answer

Melting point

Question 4

Group 18 elements are:‌​‍

Accepted Answer

Noble gases — He, Ne, Ar, Kr, Xe, Rn — inert/noble gases with filled outer shells.‌​‍

Answer

Lanthanides

Answer

Alkali metals

Answer

Halogens

Question 5

Judicial Review in India is borrowed from which country?‌​‍

Accepted Answer

USA — Power of SC/HCs to review constitutionality of laws — from US Constitution (Marbury v. ‌​‍Madison, 1803).

Answer

UK

Answer

Australia

Answer

Canada

Question 6

The National Education Policy (NEP) 2020 strongly recommends that instruction in schools should continue in the mother tongue/local language/regional language. While it states "at least till Grade 5", it also expresses a preference for this instruction to extend further. Up to which grade level is this preference specifically mentioned in the policy?

Accepted Answer

C. Grade 8 — The NEP 2020 emphasizes instruction in mother tongue/local language/regional language wherever possible, specifically stating "until at least Grade 5, but preferably till Grade 8 and beyond". Therefore, Grade 8 is the grade level up to which the policy expresses a preference for this instruction to extend.

Answer

A. Grade 3

Answer

B. Grade 5

Answer

D. Grade 10

Question 7

Mitochondria function:

Accepted Answer

Energy (ATP) — Powerhouse of cell — produces ATP.

Answer

Protein synthesis

Answer

Digestion

Answer

Storage

Question 8

Who wrote Khasakkinte Ithihasam?‌​‍

Accepted Answer

O.V. Vijayan — O.V. Vijayan (1969).‌​‍

Answer

Basheer

Answer

Thakazhi

Answer

M.T.

Question 9

The first animal sent to space was:‌​‍

Accepted Answer

A dog (Laika) — Laika (a dog) was sent to space by USSR aboard Sputnik 2 on 3 November 1957.‌​‍

Answer

A monkey

Answer

A cat

Answer

A rat

Question 10

Urine pH:

Accepted Answer

Acidic ~6 — Slightly acidic (4.5-8 range).

Answer

Alkaline 9

Answer

Neutral

Answer

Strongly acidic

DCOA Mixed Practice Test #619