DCOA Mixed Practice Test #42

Question 1

Kerala's first ministry under E.M.S. Namboodiripad assumed power on:‌​‍

Accepted Answer

5 April 1957 — EMS became first elected CM of Kerala on 5 April 1957.‌​‍

Answer

15 August 1947

Answer

23 April 1994

Answer

1 November 1956

Question 2

Kerala Piravi:‌​‍

Accepted Answer

1 Nov — 1 November — Kerala Day.‌​‍

Answer

2 Oct

Answer

15 Aug

Answer

26 Jan

Question 3

The NIPUN Bharat Mission, an integral part of NEP 2020, has a specific target for achieving foundational literacy and numeracy (FLN). By which grade level is it envisioned that every child should achieve the desired learning outcomes in FLN as per the mission guidelines?

Accepted Answer

C. By the end of Grade 3. — The NIPUN Bharat Mission's primary goal is to ensure that every child attains foundational literacy and numeracy by the end of Grade 3, encompassing the ability to read with comprehension and perform basic arithmetic. While the Foundational Stage covers up to Grade 2, the NIPUN target extends to the completion of Grade 3 to solidify these essential skills. Options A, B, and D represent incorrect target grade levels for the mission.

Answer

A. By the end of Grade 1.

Answer

B. By the end of Grade 5.

Answer

D. Upon completion of the Foundational Stage (Grade 2).

Question 4

Human gestation period:‌​‍

Accepted Answer

280 days (~40 weeks) — From last menstrual period (LMP). ‌​‍Embryo → fetus at 8 weeks. Parturition involves oxytocin surge.

Answer

100 days

Answer

365 days

Answer

200 days

Question 5

Amylase, an enzyme present in saliva and pancreatic juice, initiates the chemical digestion of specific macromolecules in the diet. Which major food group is primarily targeted by amylase?

Accepted Answer

C. Carbohydrates — Amylase is an enzyme specifically responsible for breaking down complex carbohydrates, such as starches, into simpler sugars (disaccharides and monosaccharides). Proteases digest proteins, and lipases digest lipids. Digestion of carbohydrates begins in the mouth with salivary amylase.

Answer

A. Proteins

Answer

B. Lipids

Answer

D. Nucleic acids

Question 6

The Jal Jeevan Mission (JJM) aims to provide safe and adequate drinking water through individual household tap connections by 2024 to all rural households in India. Which of the following is a *key guiding principle* for the implementation and sustainability of the mission, particularly at the local level?

Accepted Answer

C. Community ownership and management, with local village communities playing a crucial role in planning, implementation, and operation & maintenance. — The Jal Jeevan Mission strongly advocates for a decentralized, community-driven approach. It mandates the formation of Village Water and Sanitation Committees (VWSCs) or Pani Samitis to manage and maintain the water supply infrastructure, ensuring local ownership and long-term sustainability. Options A, B, and D contradict the mission's core principles of decentralization, rural focus, and appropriate technology choices, rather than exclusive advanced methods.

Answer

A. Centralized planning and execution by the Ministry of Jal Shakti to ensure uniformity and efficiency across states.

Answer

B. Prioritizing urban slum areas and peri-urban regions for tap water connections to address immediate public health challenges.

Answer

D. Exclusive reliance on advanced purification technologies like Reverse Osmosis (RO) for all water sources to ensure 100% purity.

Question 7

Which state has the largest forest cover area in India?‌​‍

Accepted Answer

Madhya Pradesh — Madhya Pradesh has the largest forest cover area in India, followed by Arunachal Pradesh and Chhattisgarh.‌​‍

Answer

Arunachal Pradesh

Answer

Maharashtra

Answer

Chhattisgarh

Question 8

2nd Plan steel plants at:‌​‍

Accepted Answer

Bhilai, Durgapur, Rourkela — Bhilai (Chhattisgarh), Durgapur (WB), Rourkela (Odisha).‌​‍

Answer

Jamshedpur, Bokaro, Salem

Answer

Mumbai, Chennai, Kolkata

Answer

Delhi, Lucknow, Patna

Question 9

National Security Advisor 2024-26:

Accepted Answer

Ajit Doval — Ajit Doval since 2014.

Answer

Shivshankar Menon

Answer

MK Narayanan

Answer

Nripendra Misra

Question 10

In an image editor, pixels are:

Accepted Answer

Small rectangular units of colour that make up a raster image — Every digital image is composed of pixels (picture elements).

Answer

Tools

Answer

File format

Answer

Layers

DCOA Mixed Practice Test #42