DCOA Mixed Practice Test #618

Question 1

A geography teacher is planning a lesson on the topographical features of the Western Ghats in Kerala. To help students visualize and understand the variations in altitude and landforms in a three-dimensional manner, which teaching aid would be most appropriate?

Accepted Answer

C. A relief map of Kerala or the region — A relief map specifically uses raised surfaces to represent elevations and depressions, providing a three-dimensional understanding of terrain, which is ideal for studying topographical features like the Western Ghats. Flat maps lack this 3D aspect, a globe is too general, and flashcards are for quick recall, not detailed spatial understanding.

Answer

A. A standard flat political map of Kerala

Answer

B. A large world globe

Answer

D. Flashcards with pictures of mountains and valleys

Question 2

A teacher notices that a student frequently disrupts the class by talking out of turn. The most appropriate initial response would be to:

Accepted Answer

C. Privately speak to the student after class to understand the cause and discuss alternatives. — Addressing the behavior privately after class allows the teacher to understand underlying causes (e.g., boredom, attention-seeking) and collaboratively develop solutions without embarrassing the student. Public reprimands can escalate defiance, ignoring may normalize the behavior, and punitive measures like extra homework may not address root causes.

Answer

A. Publicly reprimand the student to set an example for others.

Answer

B. Ignore the behavior initially to avoid reinforcing it through attention.

Answer

D. Assign the student additional homework as a consequence.

Question 3

India's first Semi-High-Speed bullet train:‌​‍

Accepted Answer

Mumbai-Ahmedabad HSR — Mumbai-Ahmedabad HSR (Shinkansen) — under construction.‌​‍

Answer

Delhi-Meerut RRTS

Answer

Vande Bharat

Answer

Bangalore Metro

Question 4

Ethylene function:‌​‍

Accepted Answer

Fruit ripening — Only gaseous hormone. ‌​‍Triple response in seedlings. Used commercially (ethephon, calcium carbide).

Answer

Germination

Answer

Cell division

Answer

Stem elongation

Question 5

Dimensional formula of gravitational constant G:‌​‍

Accepted Answer

[M⁻¹ L³ T⁻²] — F = Gm1m2/r² → G = Fr²/(m1m2) = [MLT⁻²][L²]/[M²] = [M⁻¹L³T⁻²]. ‌​‍Value 6.674 × 10⁻¹¹ N·m²/kg².

Answer

[M L T⁻²]

Answer

[M⁻¹ L² T]

Answer

[M L² T⁻²]

Question 6

The master gland of the body is the:

Accepted Answer

Pituitary — The anterior pituitary controls other endocrine glands (thyroid, adrenal, gonads).

Answer

Thyroid

Answer

Adrenal

Answer

Hypothalamus

Question 7

Reliance Jio launch:‌​‍

Accepted Answer

2016 — September 2016.‌​‍

Answer

2014

Answer

2010

Answer

2020

Question 8

Parasympathetic:‌​‍

Accepted Answer

Rest and digest — Calming.‌​‍

Answer

Running

Answer

Fight-flight

Answer

Emergency

Question 9

Khel Ratna is for:‌​‍

Accepted Answer

Outstanding sports performance — India's highest sports honour (now Major Dhyan Chand Khel Ratna).‌​‍

Answer

Best coach

Answer

Lifetime sports contribution

Answer

Best referee

Question 10

The Dr. B.C. Roy Award is a prestigious national award in India, presented annually to individuals for their outstanding contributions in various fields of medicine, including medical education and public health. Which regulatory body was historically responsible for conferring this esteemed award?

Accepted Answer

C. Medical Council of India (MCI) — The Dr. B.C. Roy Award was traditionally conferred by the Medical Council of India (MCI), which was the apex regulatory body for medical education and practice in India before being replaced by the National Medical Commission (NMC). While IMA and the Ministry of Health are involved in healthcare, they are not the conferring bodies for this specific award.

Answer

A. Indian Medical Association (IMA)

Answer

B. Ministry of Health and Family Welfare

Answer

D. National Institute of Health and Family Welfare (NIHFW)

DCOA Mixed Practice Test #618