DCOA Mixed Practice Test #128

Question 1

Tipu Sultan invaded:‌​‍

Accepted Answer

Malabar — Malabar (1766 onwards).‌​‍

Answer

Travancore

Answer

Cochin

Answer

All Kerala

Question 2

The first search engine was:‌​‍

Accepted Answer

Archie — Archie (1990) is considered the first search engine. ‌​‍Google (1998) became dominant later.

Answer

Google

Answer

Yahoo

Answer

Bing

Question 3

Atomic number of Hydrogen:‌​‍

Accepted Answer

1 — Hydrogen = 1 proton = atomic number 1.‌​‍

Answer

0

Answer

2

Answer

8

Question 4

A teacher trainee observes that students are losing interest during their explanation of a complex concept. To address this and re-engage the learners, the trainee decides to suddenly pause, change their position, and then ask a thought-provoking question. This action best exemplifies which microteaching skill?

Accepted Answer

D. Skill of Stimulus Variation — The teacher trainee's actions of pausing, changing position, and altering the flow are all components of the 'Skill of Stimulus Variation'. This skill is employed to maintain student attention and prevent monotony by varying the teacher's behavior and interaction patterns. While asking a question is involved, the primary skill being demonstrated by the combination of actions to re-engage is stimulus variation.

Answer

A. Skill of Probing Questions

Answer

B. Skill of Reinforcement

Answer

C. Skill of Blackboard Writing

Question 5

The largest bone in the human body is the:

Accepted Answer

Femur — Femur (thigh bone) is the longest and strongest bone.

Answer

Humerus

Answer

Tibia

Answer

Vertebra

Question 6

What is the primary function of the lymphatic system?‌​‍

Accepted Answer

Fluid balance, immunity — Lymph circulation.‌​‍

Answer

None

Answer

Respiration

Answer

Digestion

Question 7

Navy Day:‌​‍

Accepted Answer

4 December — 4 December commemorates 1971 war.‌​‍

Answer

26 Jan

Answer

15 Aug

Answer

15 Dec

Question 8

India's UPI processed over ___ billion transactions per month by end of 2024:‌​‍

Accepted Answer

15 — UPI crossed 15 billion transactions per month by late 2024, making it the world's largest real-time payment system.‌​‍

Answer

16

Answer

10

Answer

12

Question 9

Sulphuric acid is often called:‌​‍

Accepted Answer

All of these — H₂SO₄ is called the king of chemicals and oil of vitriol — major industrial acid.‌​‍

Answer

King of acids

Answer

Oil of vitriol

Answer

Queen of chemicals

Question 10

Who is known as the Father of Malayalam cinema?‌​‍

Accepted Answer

J.C. Daniel — J.C. Daniel — made the first Malayalam film.‌​‍

Answer

P.K. Rosy

Answer

Ramu Kariat

Answer

Adoor Gopalakrishnan

DCOA Mixed Practice Test #128