DCOA Mixed Practice Test #817

Question 1

Neurotransmitters are released at the:‌​‍

Accepted Answer

Synapse (synaptic cleft) — Action potential triggers vesicles to release neurotransmitters into the synaptic cleft.‌​‍

Answer

Cell body

Answer

Dendrite tip

Answer

Axon hillock

Question 2

Prokaryotic cells lack:

Accepted Answer

Membrane-bound nucleus and organelles — Bacteria, archaea. Have 70S ribosomes. Circular DNA in nucleoid. No ER, Golgi, mitochondria.

Answer

Cell wall

Answer

Ribosomes

Answer

DNA

Question 3

Loka Kerala Sabha comprises:

Accepted Answer

Legislators + expatriates abroad + expatriates in other states — Loka Kerala Sabha brings together Kerala legislators, parliamentarians and Keralite expatriates globally and across India.

Answer

Only expatriates abroad

Answer

Legislators from Kerala + elected expatriates abroad

Answer

Legislators + expatriates in other states

Question 4

Which country launched the Innovation Roadmap of the Mission Integrated Biorefineries?‌​‍

Accepted Answer

USA — The US-led Mission Innovation launched the Integrated Biorefineries Innovation Roadmap.‌​‍

Answer

Bangladesh

Answer

India

Answer

UAE

Question 5

Colour blindness inheritance:‌​‍

Accepted Answer

X-linked recessive — Red-green colour blindness.‌​‍

Answer

Y-linked

Answer

Dominant

Answer

Autosomal

Question 6

Kerala University:‌​‍

Accepted Answer

1937 (as Travancore Univ) — Renamed Kerala University in 1957.‌​‍

Answer

1960

Answer

1957

Answer

1947

Question 7

According to Maslow's Hierarchy of Needs, which need must be met first for a patient experiencing acute respiratory distress before addressing their need for safety or belonging?

Accepted Answer

A. Physiological Needs — Physiological needs, such as breathing, food, water, and sleep, are the most fundamental in Maslow's hierarchy and must be met before higher-level needs can be addressed. Acute respiratory distress directly impacts the physiological need for oxygen, making it the top priority. Safety, love and belonging, and self-actualization are higher-level needs that become relevant once physiological needs are stable.

Answer

B. Safety Needs

Answer

C. Love and Belonging Needs

Answer

D. Self-actualization Needs

Question 8

The modern periodic table has how many periods?‌​‍

Accepted Answer

7 — 7 horizontal rows (periods) in the modern periodic table.‌​‍

Answer

8

Answer

18

Answer

5

Question 9

On which day was 'Mangalyaan' launched from Sriharikota?‌​‍

Accepted Answer

5 November 2013 — Mars Orbiter Mission launched on 5 November 2013.‌​‍

Answer

24 January 2014

Answer

24 September 2014

Answer

5 November 2012

Question 10

Most common instrument used to measure relative humidity:‌​‍

Accepted Answer

Hygrometer — Hygrometer measures humidity; barometer measures pressure; hydrometer measures liquid density.‌​‍

Answer

Hydrometer

Answer

Ceilometer

Answer

Barometer

DCOA Mixed Practice Test #817