DCOA Mixed Practice Test #707

Question 1

Correctly spelt:‌​‍

Accepted Answer

Occurrence — Occurrence.‌​‍

Answer

Occurance

Answer

Occurence

Answer

Occurrance

Question 2

Sun's surface temperature:‌​‍

Accepted Answer

5,500°C — ~5,500°C (5778 K).‌​‍

Answer

1,000°C

Answer

100,000°C

Answer

10,000°C

Question 3

Karl Marx and Engels published 'Communist Manifesto' in:

Accepted Answer

1848 — Manifesto published Feb 1848, amid European revolutions. 'A spectre is haunting Europe — the spectre of Communism.'

Answer

1789

Answer

1867

Answer

1917

Question 4

The integumentary system, comprising the skin, hair, and nails, performs several vital functions for the human body. Which of the following is NOT a primary function of the integumentary system?

Accepted Answer

D. Production of red blood cells in the dermal layer — The integumentary system protects the body, regulates temperature, prevents water loss, and synthesizes Vitamin D. However, the production of red blood cells (hematopoiesis) is primarily a function of the bone marrow, not the skin. The dermal layer of the skin contains various cells and structures but is not involved in erythropoiesis.

Answer

A. Protection against physical trauma and pathogens

Answer

B. Regulation of body temperature through sweating and vasodilation/constriction

Answer

C. Synthesis of Vitamin D upon exposure to UV radiation

Question 5

BOD of domestic sewage should be less than ___ mg/L before discharge:

Accepted Answer

30 mg/L — Higher BOD indicates pollution. Secondary treatment brings BOD down via activated sludge/trickling filters.

Answer

100

Answer

300

Answer

1000

Question 6

A group of individuals who share intimate, face-to-face association and cooperation, and exert a profound influence on an individual's attitudes, beliefs, and health behaviors, such as family and close friends, is best described as a:

Accepted Answer

B. Primary group — Primary groups, like family and close friends, are characterized by intimate, face-to-face association and cooperation, profoundly shaping an individual's personality, attitudes, and behaviors, including health practices. Secondary groups are larger, more impersonal, and goal-oriented. Reference groups are those an individual uses for self-evaluation, and formal organizations are structured for specific purposes.

Answer

A. Secondary group

Answer

C. Reference group

Answer

D. Formal organization

Question 7

The Kerala government is launching a statewide initiative to integrate advanced digital tools and smart classroom technologies into all government and aided schools, along with providing comprehensive IT training for teachers. Which specific organization within the state's education framework is mandated to spearhead the implementation and technical support for this ambitious project?

Accepted Answer

B. Kerala Infrastructure and Technology for Education (KITE) — KITE (Kerala Infrastructure and Technology for Education) is the nodal agency responsible for promoting and implementing IT education and digital infrastructure in schools across Kerala, including smart classrooms and teacher IT training. While SSK is a comprehensive scheme encompassing various educational initiatives, KITE is the specific technical implementation arm. DGE handles overall administration, and SCERT focuses on curriculum and academic support.

Answer

A. Samagra Shiksha Kerala (SSK)

Answer

C. Directorate of General Education (DGE)

Answer

D. State Council of Educational Research and Training (SCERT)

Question 8

SI unit of energy:‌​‍

Accepted Answer

Joule — Joule (J). 1 J = 1 N⋅m.‌​‍

Answer

Newton

Answer

Hertz

Answer

Watt

Question 9

D Gukesh became youngest World Chess Champion in:‌​‍

Accepted Answer

2024 — December 2024 — youngest ever, age 18.‌​‍

Answer

2022

Answer

2023

Answer

2025

Question 10

The establishment of the University of Travancore in 1937, which later became the University of Kerala, marked a significant milestone in the educational history of the region. Which of the following personalities was the reigning Maharaja of Travancore during its establishment?

Accepted Answer

B. Sree Chithira Thirunal Balarama Varma — Sree Chithira Thirunal Balarama Varma was the last ruling Maharaja of the princely state of Travancore and presided over the establishment of the University of Travancore in 1937. This institution laid the foundation for higher education in modern Kerala. The other rulers mentioned were instrumental in other significant developments but did not establish this university.

Answer

A. Sree Moolam Thirunal Rama Varma

Answer

C. Ayilyam Thirunal Rama Varma

Answer

D. Swathi Thirunal Rama Varma

DCOA Mixed Practice Test #707