DCOA Mixed Practice Test #648

Question 1

Lithology studies:‌​‍

Accepted Answer

Rocks and strata — Rock types: igneous (magma), sedimentary (deposition), metamorphic (heat/pressure). ‌​‍Rock cycle interconverts.

Answer

Water

Answer

Life

Answer

Climate

Question 2

Which of the following is a key characteristic of action research that distinguishes it from traditional research?

Accepted Answer

C. It involves cycles of planning, acting, observing, and reflecting — Action research is iterative and cyclical, involving teachers as both researchers and participants in the process. This iterative approach (C) is a core feature, unlike the other options which describe traditional research (A, D) or external involvement (B).

Answer

A. It requires a large sample size for valid results

Answer

B. It is conducted by external researchers without teacher involvement

Answer

D. It focuses solely on quantitative data analysis

Question 3

Oestrogen from:‌​‍

Accepted Answer

Ovary — Female sex hormone.‌​‍

Answer

Pituitary

Answer

Thyroid

Answer

Testes

Question 4

Who wrote Pathummayude Aadu?‌​‍

Accepted Answer

Basheer — Vaikom Muhammad Basheer — humorous novel.‌​‍

Answer

Thakazhi

Answer

O.V. Vijayan

Answer

Uroob

Question 5

The Joint Commissioners of Malabar who freed all trade except pepper were:‌​‍

Accepted Answer

Jonathan Duncan and Charles Bodden — Jonathan Duncan and Charles Bodden were the Joint Commissioners appointed by the British after the Third Anglo-Mysore War.‌​‍

Answer

Only Jonathan Duncan

Answer

Jonathan Duncan and William Giffth

Answer

William Giffth and James Stevens

Question 6

Emile Durkheim's pioneering sociological study on the social causes of suicide was published in:

Accepted Answer

1897 — Durkheim's 'Suicide' (1897) demonstrated that suicide rates reflect social forces, not just personal choice.

Answer

1867

Answer

1907

Answer

1917

Question 7

Which is NOT a vector quantity?

Accepted Answer

Speed — Speed has only magnitude (scalar); velocity, force, displacement have direction (vectors).

Answer

Velocity

Answer

Force

Answer

Displacement

Question 8

Study of immune system:

Accepted Answer

Immunology — Immunology.

Answer

Haematology

Answer

Cardiology

Answer

Neurology

Question 9

Guruvayur Satyagraha led by:‌​‍

Accepted Answer

K Kelappan — K. Kelappan (Kerala Gandhi).‌​‍

Answer

TK Madhavan

Answer

Ayyankali

Answer

Guru

Question 10

Kerala has experienced significant out-migration and subsequent return migration, leading to various social changes. Which of the following is a common health-related consequence observed in families due to prolonged parental migration?

Accepted Answer

D. Psychological stress, behavioral issues in children, and altered family dynamics. — Prolonged parental migration often leads to significant psychological stress, emotional neglect, and behavioral problems in children due to the absence of one or both parents. It can also disrupt traditional family structures and dynamics, contributing to overall family dysfunction. While remittances may improve financial status, they do not automatically mitigate these psychosocial challenges.

Answer

A. Improved nutritional status of children due to increased remittances.

Answer

B. Enhanced social cohesion and reduced family conflicts.

Answer

C. Increased incidence of non-communicable diseases among left-behind spouses.

DCOA Mixed Practice Test #648