DCOA Mixed Practice Test #504

Question 1

What was the original name of Thycaud Ayya Swamikal?‌​‍

Accepted Answer

Subbarayan — Subbarayan was Thycaud Ayya's original name.‌​‍

Answer

Vasudevan

Answer

Gurudevan

Answer

Ayyappan

Question 2

Which packaging material is MOST suitable for a moisture-sensitive drug in tropical climates?

Accepted Answer

B. Aluminum foil — Aluminum foil provides excellent moisture barrier properties, making it ideal for moisture-sensitive drugs in tropical climates. LDPE (A) is less effective as a moisture barrier. Glass (C) is inert but not always practical for all packaging needs. PVC (D) is not moisture-resistant.

Answer

A. Low-density polyethylene (LDPE)

Answer

C. Glass

Answer

D. Polyvinyl chloride (PVC)

Question 3

Attitude component (ABC model):‌​‍

Accepted Answer

Affective, Behavioral, Cognitive — Feelings, actions, thoughts. ‌​‍Attitudes formed through learning, socialization, direct experience.

Answer

Only emotion

Answer

Only action

Answer

One

Question 4

Plate tectonics theory explains:‌​‍

Accepted Answer

Movement of lithospheric plates driving geological features — 7 major + several minor plates. ‌​‍Divergent, convergent, transform boundaries. Sea-floor spreading (Harry Hess).

Answer

Only mountains

Answer

Only earthquakes

Answer

Only volcanism

Question 5

Night blindness is caused by deficiency of:‌​‍

Accepted Answer

Vitamin A — Vitamin A (retinol) is essential for rhodopsin in retina rods.‌​‍

Answer

Vitamin D

Answer

Vitamin B

Answer

Vitamin C

Question 6

Chirality in organic molecules requires:‌​‍

Accepted Answer

sp³ carbon bonded to four different groups — Stereocenter. ‌​‍Pair of enantiomers rotate plane of polarized light oppositely. Important in drugs (thalidomide disaster).

Answer

sp carbon

Answer

sp² carbon

Answer

Double bond

Question 7

Cell EMF ΔG relation:‌​‍

Accepted Answer

ΔG = -nFE — n = electrons, F = 96500 C/mol. Spontaneous cell: E>0, ΔG<0. K = exp(-ΔG°/RT).‌​‍

Answer

ΔG = nFE

Answer

ΔG = 0

Answer

ΔG = E/F

Question 8

Which constituency in Kerala did Rahul Gandhi represent?‌​‍

Accepted Answer

Wayanad — Wayanad (till 2024).

Answer

Palakkad

Answer

Thrissur

Answer

Kottayam

Question 9

Adani-Hindenburg SC panel:‌​‍

Accepted Answer

Cleared on short-selling allegations — Expert committee finding Jan 2024.‌​‍

Answer

Pending

Answer

Rejected

Answer

Guilty

Question 10

Jyotiraditya Scindia portfolio 2024:‌​‍

Accepted Answer

Communications, DoNER — Communications, DoNER 2024.‌​‍

Answer

Civil Aviation

Answer

Defence

Answer

Telecom

DCOA Mixed Practice Test #504