DCOA Mixed Practice Test #3

Question 1

Which of the following is the primary protective function of the skin (integumentary system) against external pathogens and physical damage?

Accepted Answer

A. Acting as a physical barrier — The outermost layer of the skin, the epidermis, forms a crucial physical barrier that prevents the entry of microorganisms and protects underlying tissues from mechanical injury and chemical damage. While other options are also vital skin functions, the primary protective role is that of a barrier.

Answer

B. Regulating body temperature through sweating

Answer

C. Synthesizing Vitamin D upon UV exposure

Answer

D. Providing sensory perception

Question 2

'Pomology' is the study of:‌​‍

Accepted Answer

Fruits — Pomology = science of fruit cultivation.‌​‍

Answer

Animals

Answer

Veins

Answer

Birds

Question 3

A teacher notices that students are increasingly disengaged during independent work time and frequently ask for help on tasks they should be able to complete. What is a key step the teacher should take to improve student independence and engagement?

Accepted Answer

C. Ensure students understand the purpose and relevance of the independent tasks. — When students understand the purpose and relevance of a task, their intrinsic motivation and engagement increase, leading to greater independence and fewer requests for help. Reducing work or providing excessive instructions can hinder independence, while a "no questions" rule can frustrate students and impede learning.

Answer

A. Immediately reduce the amount of independent work assigned.

Answer

B. Provide more detailed, step-by-step instructions for every task.

Answer

D. Implement a strict "no questions during independent work" rule.

Question 4

If three 60 W bulbs operate for 5 hours daily for 30 days, energy consumed is:‌​‍

Accepted Answer

27 kWh — Total power = 180 W; E = 180 × 5 × 30 = 27,000 Wh = 27 kWh.‌​‍

Answer

90 kWh

Answer

54 kWh

Answer

9 kWh

Question 5

BHIM, the UPI payment app, is developed by:

Accepted Answer

NPCI — BHIM (Bharat Interface for Money) from NPCI enables UPI payments.

Answer

RBI

Answer

SBI

Answer

TCS

Question 6

The part of the tooth that is visible above the gum is called:‌​‍

Accepted Answer

Crown — Crown is the visible enamel-covered part; root is embedded in the jaw.‌​‍

Answer

Pulp

Answer

Neck

Answer

Root

Question 7

Who was the author of the book 'Adwaitha Panjaram'?‌​‍

Accepted Answer

Kunjan Pillai — Sree Narayana Guru's birth name was Nanu Asan; Adwaitha Panjaram is among his philosophical works.‌​‍

Answer

Vakkom Maulavi

Answer

Thycaud Ayya Guru

Answer

V.T. Bhattathirippad

Question 8

KSFE:‌​‍

Accepted Answer

Kerala State Financial Enterprise (chits) — State-owned chit fund.‌​‍

Answer

Food

Answer

Industrial

Answer

Power

Question 9

Kalaripayattu originated in:‌​‍

Accepted Answer

Kerala — Kalaripayattu — ancient martial art from Kerala, possibly world's oldest.‌​‍

Answer

Karnataka

Answer

Tamil Nadu

Answer

Andhra Pradesh

Question 10

Karimeen is Kerala's:‌​‍

Accepted Answer

State fish — Green Chromide / Pearl Spot.‌​‍

Answer

State animal

Answer

State bird

Answer

State flower

DCOA Mixed Practice Test #3