DCOA Mixed Practice Test #255

Question 1

The law of conservation of energy states that energy:‌​‍

Accepted Answer

Cannot be created or destroyed, only transformed — Total energy of an isolated system is constant — 1st law of thermodynamics.‌​‍

Answer

Can be destroyed

Answer

Disappears in collisions

Answer

Can be created

Question 2

Kerala's anti-CAA legal challenge:‌​‍

Accepted Answer

In SC — Filed in Supreme Court.‌​‍

Answer

Withdrew

Answer

Only resolution

Answer

None

Question 3

SCP (Single Cell Protein):

Accepted Answer

Protein from unicellular microbes — alternative protein source — Spirulina, yeast. Uses cellulose or agro waste as substrate. Combat protein malnutrition.

Answer

Animal cell

Answer

Plant protein

Answer

Synthetic

Question 4

The author of 'Wings of Fire' autobiography is:

Accepted Answer

A. P. J. Abdul Kalam — 'Wings of Fire: An Autobiography' (1999) by A. P. J. Abdul Kalam with Arun Tiwari.

Answer

Nelson Mandela

Answer

Malala Yousafzai

Answer

Nehru

Question 5

In an elastic collision, which are conserved?‌​‍

Accepted Answer

Both momentum and KE — Elastic: momentum AND kinetic energy conserved. ‌​‍Inelastic: only momentum. Perfectly inelastic: bodies stick; max KE loss.

Answer

Neither

Answer

Only KE

Answer

Only momentum

Question 6

KITE (Kerala Infrastructure and Technology for Education) plays a crucial role in implementing the 'Hi-Tech School Project' in Kerala. Which of the following best describes the primary objective of this project?

Accepted Answer

C. To equip all public school classrooms with IT infrastructure, including laptops, projectors, and broadband internet, to facilitate smart learning. — The 'Hi-Tech School Project', spearheaded by KITE, is designed to transform public school classrooms into modern learning environments by providing essential IT infrastructure like laptops, projectors, and robust internet connectivity. This initiative aims to foster digital literacy and facilitate smart learning experiences for both students and teachers. Options A, B, and D describe unrelated or broader goals that do not capture the specific focus of the 'Hi-Tech School Project'.

Answer

A. To provide financial assistance to private schools for infrastructure development.

Answer

B. To ensure access to high-speed internet connectivity in all rural households.

Answer

D. To establish specialized institutions for advanced research in educational technology.

Question 7

Mollusca examples:‌​‍

Accepted Answer

Snail, octopus — Soft-bodied, some with shells.‌​‍

Answer

Worm

Answer

Frog

Answer

Crab

Question 8

Who is the Chief Minister of Chhattisgarh (since December 2023)?‌​‍

Accepted Answer

Vishnu Deo Sai — Vishnu Deo Sai (BJP) took office as CM on 13 December 2023.‌​‍

Answer

Bhajan Lal Sharma

Answer

Shibu Soren

Answer

Bhupesh Baghel

Question 9

Pinarayi Vijayan CM start:‌​‍

Accepted Answer

2016 — CM since 25 May 2016.‌​‍

Answer

2011

Answer

2021

Answer

2006

Question 10

Lowest point on land:

Accepted Answer

Dead Sea shore — Shore ~-430m below sea level.

Answer

Death Valley

Answer

Lake Assal

Answer

Bentley Subglacial

DCOA Mixed Practice Test #255