DCOA Mixed Practice Test #579

Question 1

Moon's age approx:‌​‍

Accepted Answer

4.5 billion years — ~4.5 billion years.‌​‍

Answer

2 billion

Answer

10 billion

Answer

6 billion

Question 2

Mendel's second law:‌​‍

Accepted Answer

Independent assortment — Law of Independent Assortment.‌​‍

Answer

Segregation

Answer

Dominance

Answer

Linkage

Question 3

Spanish Civil War (1936-39) ended with:‌​‍

Accepted Answer

Franco's Nationalist victory (dictatorship till 1975) — Francisco Franco's fascists (backed by Hitler, Mussolini) defeated Republic. ‌​‍Franco ruled Spain till his death 1975.

Answer

Republican victory

Answer

Communist state

Answer

Monarchy restoration

Question 4

The 2023 G20 Empower Summit was held in:‌​‍

Accepted Answer

Gandhinagar — G20 Empower Summit was held in Gandhinagar, Gujarat on 3-4 August 2023.‌​‍

Answer

New Delhi

Answer

Chennai

Answer

Bhubaneswar

Question 5

Ayyankali's 'Villuvandi Samaram' (bullock-cart protest) in 1893 was aimed at establishing:

Accepted Answer

Right to travel on public roads for Dalits — Ayyankali rode a bullock cart on roads forbidden to Pulayas, asserting their right to use public roads.

Answer

Right to education

Answer

Temple entry

Answer

Voting rights

Question 6

1 kilowatt-hour (kWh) equals:‌​‍

Accepted Answer

3.6 × 10⁶ J — 1 kWh = 1000 W × 3600 s = 3.6 × 10⁶ J = 1 unit of electricity.‌​‍

Answer

1 W × 1 s

Answer

1,000 J

Answer

3.6 × 10³ J

Question 7

Echinoderms:‌​‍

Accepted Answer

Starfish, sea urchin — Starfish, sea urchins — radial symmetry.‌​‍

Answer

Sponges

Answer

Jellyfish

Answer

Octopus

Question 8

Karl Marx identified the two main classes in capitalist society as:‌​‍

Accepted Answer

Bourgeoisie (capital owners) and Proletariat (wage labourers) — Marx: bourgeoisie owns means of production; proletariat sells labour power. ‌​‍Their opposed interests drive class struggle.

Answer

Men and women

Answer

Rich and poor

Answer

Noble and peasant

Question 9

Five consecutive odd numbers sum 45. Smallest:

Accepted Answer

5 — Sum = 5×middle = 45. Middle 9. Smallest 5.

Answer

7

Answer

9

Answer

3

Question 10

In the context of teaching English as a second language, which approach emphasizes the use of authentic materials and tasks to promote language acquisition?

Accepted Answer

A. Task-based language teaching — Task-based language teaching (TBLT) centers on meaningful tasks using authentic materials to simulate real-life language use, fostering natural acquisition. The Silent Way (B) focuses on discovery learning with minimal teacher talk, Total Physical Response (C) uses physical actions tied to language, and the structural approach (D) prioritizes grammatical structures over meaningful communication.

Answer

B. Silent way

Answer

C. Total physical response

Answer

D. Structural approach

DCOA Mixed Practice Test #579