DCOA Mixed Practice Test #781

Question 1

Israel-Hamas conflict intensified:‌​‍

Accepted Answer

Oct 2023 — 7 October 2023 Hamas attack; war since.‌​‍

Answer

Nov 2023

Answer

2022

Answer

Jan 2024

Question 2

Which of the following vitamins is essential for the synthesis of coenzyme A (CoA), a critical molecule in energy metabolism?

Accepted Answer

D. Vitamin B5 (Pantothenic acid) — Vitamin B5 (Pantothenic acid) is a component of coenzyme A (CoA), which is vital for the metabolism of carbohydrates, fats, and proteins by facilitating the transfer of acyl groups in metabolic reactions like the Krebs cycle. Thiamine (B1) is a cofactor for enzymes in carbohydrate metabolism, riboflavin (B2) is involved in redox reactions, and niacin (B3) is part of NAD+/NADP+ coenzymes.

Answer

A. Vitamin B1 (Thiamine)

Answer

B. Vitamin B2 (Riboflavin)

Answer

C. Vitamin B3 (Niacin)

Question 3

What is the current trend of urbanization in India?‌​‍

Accepted Answer

Increasing (~35% urban in 2021 census projection) — Delhi, Mumbai, Bengaluru, Chennai, Hyderabad, Kolkata as megacities. ‌​‍Migration, slum growth, informal economy challenges.

Answer

Zero

Answer

100%

Answer

Declining

Question 4

Kerala's first hydroelectric project was at:‌​‍

Accepted Answer

Pallivasal — Pallivasal Hydroelectric Project in Idukki district was Kerala's first major hydroelectric project, commissioned in 1940.‌​‍

Answer

Idukki

Answer

Malampuzha

Answer

Sabarigiri

Question 5

Transcription:

Accepted Answer

DNA to RNA — DNA → mRNA.

Answer

RNA to protein

Answer

DNA to DNA

Answer

Protein to RNA

Question 6

India won how many medals at the Paris Olympics 2024?‌​‍

Accepted Answer

6 — India won 6 medals at Paris 2024: 1 silver (Neeraj Chopra) and 5 bronze medals.‌​‍

Answer

4

Answer

7

Answer

5

Question 7

Chordates have:‌​‍

Accepted Answer

Notochord, dorsal hollow nerve cord, pharyngeal gill slits, post-anal tail — Four chordate features — at some stage of life. ‌​‍Vertebrates: notochord replaced by vertebral column.

Answer

No spine

Answer

Exoskeleton

Answer

Only dorsal nerve

Question 8

The first human in space (1961) was:‌​‍

Accepted Answer

Yuri Gagarin — Yuri Gagarin orbited Earth aboard Vostok 1 on 12 April 1961.‌​‍

Answer

John Glenn

Answer

Neil Armstrong

Answer

Alan Shepard

Question 9

The Kerala Education Department recently launched a new initiative to integrate advanced digital learning tools and provide IT infrastructure support to all government and aided schools. Which specific organization within the department is primarily tasked with the implementation and management of such technology-driven educational projects?

Accepted Answer

C. Kerala Infrastructure and Technology for Education (KITE) — Kerala Infrastructure and Technology for Education (KITE) is the state-owned special purpose vehicle responsible for promoting and implementing IT education and digital infrastructure in schools across Kerala. It manages projects related to digital learning tools, smart classrooms, IT labs, and teacher training in ICT. Samagra Shiksha Kerala coordinates various central schemes, KSLMA focuses on literacy, and DVHSE manages vocational higher secondary education.

Answer

A. State Project Office (SPO) of Samagra Shiksha Kerala

Answer

B. Kerala State Literacy Mission Authority (KSLMA)

Answer

D. Directorate of Vocational Higher Secondary Education (DVHSE)

Question 10

Vitamin K needed for:

Accepted Answer

Blood clotting — Blood coagulation.

Answer

Vision

Answer

Bones

Answer

Immunity

DCOA Mixed Practice Test #781