DCOA Mixed Practice Test #600

Question 1

Polyethylene is polymer of:‌​‍

Accepted Answer

Ethene (ethylene) — Addition polymer. LDPE (low-density), HDPE (high-density). Packaging, bags.‌​‍

Answer

Styrene

Answer

Propene

Answer

Vinyl chloride

Question 2

Escape velocity from Earth's surface is approximately:‌​‍

Accepted Answer

11.2 km/s — Escape velocity = √(2gR) ≈ 11.2 km/s from Earth's surface.‌​‍

Answer

25 km/s

Answer

7.9 km/s

Answer

9.8 km/s

Question 3

India's vaccination programme uses CoWIN. CoWIN stands for:‌​‍

Accepted Answer

COVID Vaccine Intelligence Network — Co-WIN — digital platform for COVID vaccination registration, certification. ‌​‍Built by C-DAC.

Answer

COVID Warriors Index

Answer

COVID Winning

Answer

COVID World International

Question 4

What is the primary role of cholesterol in the human body, apart from being a component of cell membranes?

Accepted Answer

B. Synthesis of steroid hormones and bile acids — Cholesterol is a vital lipid in the human body that serves as a precursor for the synthesis of all steroid hormones (like estrogen, testosterone, cortisol) and bile acids, which are essential for fat digestion and absorption. While it is a component of cell membranes, its role in hormone and bile acid synthesis is a crucial metabolic function. Energy storage is primarily handled by triglycerides and glycogen, oxygen transport by hemoglobin, and muscle contraction by proteins like actin and myosin.

Answer

A. Energy storage

Answer

C. Oxygen transport

Answer

D. Muscle contraction

Question 5

Petroleum reserves top:‌​‍

Accepted Answer

Venezuela — Venezuela (proven reserves).‌​‍

Answer

USA

Answer

Russia

Answer

Saudi Arabia

Question 6

Kerala Police Museum:‌​‍

Accepted Answer

TVM — Thiruvananthapuram.‌​‍

Answer

Thrissur

Answer

Kochi

Answer

Kannur

Question 7

The volunteer captain of the Guruvayoor Temple Satyagraha was:‌​‍

Accepted Answer

A.K. Gopalan — A.K. ‌​‍Gopalan was the volunteer captain; K. Kelappan led the satyagraha (1931–32).

Answer

K. Kelappan

Answer

Pattom Thanu Pillai

Answer

Ayyankali

Question 8

Who was called the 'Lincoln' of Kerala for uplifting backward communities?

Accepted Answer

Pandit Karuppan — Pandit K.P. Karuppan — 'Lincoln of Kerala' for his work for depressed classes.

Answer

Sahodaran Ayyappan

Answer

Velayudha Panikkar

Answer

Brahmananda Swami Sivayogi

Question 9

Chattampi Swamikal belonged to which district?‌​‍

Accepted Answer

Thiruvananthapuram — Chattampi Swamikal (1853-1924) was born near Thiruvananthapuram and was a prominent social reformer.‌​‍

Answer

Kollam

Answer

Kottayam

Answer

Thrissur

Question 10

The NEP 2020 proposes a new national assessment centre to monitor learning outcomes and set standards for all school boards. What is the name of this proposed autonomous body?

Accepted Answer

C. PARAKH — The NEP 2020 recommends the establishment of PARAKH (Performance Assessment, Review, and Analysis of Knowledge for Holistic Development) as a new National Assessment Centre. Its primary role is to set norms, standards, and guidelines for student assessment and evaluation for all school boards in India, ensuring a common framework and promoting holistic development.

Answer

A. NCERT

Answer

B. CBSE

Answer

D. UGC

DCOA Mixed Practice Test #600