DCOA Mixed Practice Test #483

Question 1

Descartes' 'cogito':‌​‍

Accepted Answer

'I think, therefore I am' — starting point of Cartesian doubt — Method of systematic doubt. ‌​‍Rationalist. Father of modern Western philosophy. ‌​‍Contrast with Empiricists (Locke, Hume).

Answer

God exists

Answer

No knowledge

Answer

Physical world real

Question 2

Calicut had Zamorin dynasty:‌​‍

Accepted Answer

Yes — Zamorins ruled till British era.‌​‍

Answer

Only one ruler

Answer

Partial

Answer

No

Question 3

Ovulation in human female occurs around:‌​‍

Accepted Answer

Day 14 of cycle (LH surge) — Mid-cycle ovulation. ‌​‍Menstrual cycle ~28 days average. Corpus luteum secretes progesterone.

Answer

Day 28

Answer

Day 1

Answer

Day 7

Question 4

Mediation Act:‌​‍

Accepted Answer

2023 — Mediation Act 2023.‌​‍

Answer

2024

Answer

2020

Answer

2022

Question 5

When was the internet made available to the public in India?‌​‍

Accepted Answer

15 August 1995 — VSNL (Videsh Sanchar Nigam Limited) launched public internet service in India on 15 August 1995.‌​‍

Answer

26 January 1995

Answer

1 January 1996

Answer

15 August 1997

Question 6

Hydra typically reproduces by:

Accepted Answer

Budding — Hydra produces buds that detach and grow into new individuals.

Answer

Binary fission

Answer

Fragmentation

Answer

Spore formation

Question 7

According to NCF 2005, which of the following is the primary goal of school education in India?

Accepted Answer

C. To promote cognitive, emotional, and social development of children — NCF 2005 emphasizes holistic development of children, focusing on cognitive, emotional, social, and physical growth, not just academic or exam-oriented outcomes. Uniform syllabus or literacy targets are not its primary focus.

Answer

A. To achieve 100% literacy by 2030

Answer

B. To prepare students for competitive examinations

Answer

D. To implement uniform syllabus across all states

Question 8

Limestone (CaCO₃) in the blast furnace acts as:

Accepted Answer

Flux to remove silica impurity — CaCO₃ → CaO + CO₂; CaO + SiO₂ → CaSiO₃ (slag).

Answer

Oxidising agent

Answer

Main fuel

Answer

Reducing agent

Question 9

Noble gases previously called inert gases; first compound made:‌​‍

Accepted Answer

XePtF₆ (Bartlett 1962) — Then XeF₂, XeF₄, XeF₆, XeO₃. ‌​‍Only Kr, Xe, Rn compounds known. He, Ne, Ar truly inert.

Answer

ArF

Answer

XeF₂

Answer

He₂

Question 10

The Rights of Persons with Disabilities (RPwD) Act, 2016, significantly expanded the scope of disability recognition. It increased the number of specified categories of disabilities from 7 (in the PwD Act, 1995) to how many categories?

Accepted Answer

C. 21 — The RPwD Act, 2016, broadened the definition of 'person with disability' by recognizing 21 categories of disabilities, a substantial increase from the 7 specified in the earlier PwD Act, 1995. This expansion ensures that a wider range of individuals receive legal recognition and protection under the Act.

Answer

A. 15

Answer

B. 18

Answer

D. 24

DCOA Mixed Practice Test #483