DCOA Mixed Practice Test #653

Question 1

Bharatmala:

Accepted Answer

Highway project — National highway development programme.

Answer

Railways

Answer

Ports

Answer

Airports

Question 2

Human evolution — first hominid with larger brain:

Accepted Answer

Homo habilis ('handy man') — ~2.5-1.5 mya. First tool maker. Brain ~650 cc. H. erectus: ~900 cc, first to migrate out of Africa, fire use.

Answer

Australopithecus

Answer

Homo erectus

Answer

Neanderthal

Question 3

The author of 'Harry Potter' series is:

Accepted Answer

J. K. Rowling — J. K. Rowling's seven-book Harry Potter series was published 1997–2007.

Answer

C. S. Lewis

Answer

Roald Dahl

Answer

Tolkien

Question 4

Kidneys' main function:‌​‍

Accepted Answer

Filtration of blood — Filter waste, form urine.‌​‍

Answer

Digestion

Answer

Pumping blood

Answer

Respiration

Question 5

Which of the following teaching methods is MOST effective for educating a group of elderly patients about chronic disease management?

Accepted Answer

B. Hands-on demonstration and return demonstration — Hands-on demonstration and return demonstration are highly effective for elderly patients as they reinforce learning through practical application and immediate feedback. Options A, C, and D are less interactive and may not cater to the learning needs of older adults.

Answer

A. Lectures with detailed PowerPoint presentations

Answer

C. Providing written pamphlets alone

Answer

D. Assigning complex reading materials

Question 6

'Plaster of Paris' is:‌​‍

Accepted Answer

CaSO₄·½H₂O — Plaster of Paris = CaSO₄·½H₂O (calcium sulphate hemihydrate).‌​‍

Answer

CaSO₄·5H₂O

Answer

CaSO₄·2H₂O

Answer

(A) and (C)

Question 7

The concept of 'Due Process of Law' is from:‌​‍

Accepted Answer

USA — 'Due Process of Law' = American concept. ‌​‍India uses 'Procedure Established by Law' (from Japan).

Answer

UK

Answer

France

Answer

Ireland

Question 8

Wave velocity v, frequency f and wavelength λ are related by:‌​‍

Accepted Answer

v = f × λ — The fundamental wave equation: speed = frequency × wavelength.‌​‍

Answer

v = λ/f

Answer

v = f/λ

Answer

v = f + λ

Question 9

Payyambalam beach:

Accepted Answer

Kannur — Kannur town beach.

Answer

Kasaragod

Answer

Kozhikode

Answer

Kollam

Question 10

Civil disobedience as a political strategy was notably used by:‌​‍

Accepted Answer

Henry David Thoreau, Mahatma Gandhi, MLK Jr. — Thoreau's 'Civil Disobedience' (1849) → Gandhi's Satyagraha → MLK's civil rights movement. ‌​‍Non-violent breaking of unjust laws.

Answer

Only Gandhi

Answer

Only MLK

Answer

Napoleon

DCOA Mixed Practice Test #653