DCOA Mixed Practice Test #37

Question 1

Vallathol founded Kerala Kalamandalam in:

Accepted Answer

1930 — Kerala Kalamandalam founded 1930 by Mahakavi Vallathol.

Answer

1920

Answer

1940

Answer

1950

Question 2

Mangrove forests in India:

Accepted Answer

Sundarbans, Bhitarkanika, Pichavaram — Coastal mangroves.

Answer

Himalayas

Answer

Thar

Answer

Nilgiris

Question 3

Hole in ozone over:

Accepted Answer

Antarctica — Antarctic ozone hole.

Answer

Arctic

Answer

Equator

Answer

India

Question 4

Patriarchy is:‌​‍

Accepted Answer

Social system where men hold primary power — Affects economics, politics, family, religion. ‌​‍Feminism challenges patriarchy. India: skewed sex ratio (PCPNDT Act 1994).

Answer

Equality

Answer

Matriarchy

Answer

Matrilineal

Question 5

The 'KITE Victers' initiative is primarily designed to enhance which aspect of school education in Kerala?

Accepted Answer

B. Digital learning and classroom teaching through satellite broadcasts — KITE Victers (Virtual Classroom Technology on Edusat) is a digital learning platform using satellite broadcasts to deliver interactive lessons to students in remote areas. It does not focus on vocational training, infrastructure, or teacher recruitment, though it indirectly supports teacher training through digital resources.

Answer

A. Vocational training for secondary school students

Answer

C. Infrastructure development in government schools

Answer

D. Teacher recruitment and training programmes

Question 6

Which metal displaces copper from copper sulphate solution?‌​‍

Accepted Answer

Iron — Fe + CuSO₄ → FeSO₄ + Cu (iron is more reactive than copper).‌​‍

Answer

Silver

Answer

Gold

Answer

Platinum

Question 7

During a complex engineering project, a team member is tasked with optimizing a critical process. He meticulously breaks down the process into its smallest components, analyzes each step for potential bottlenecks, evaluates various solutions based on efficiency and cost, and logically deduces the most effective redesign. Which component of Sternberg's Triarchic Theory of Intelligence is most evident in this team member's approach?

Accepted Answer

C. Componential (Analytical) Intelligence. — Sternberg's Componential (Analytical) intelligence is characterized by the ability to analyze, evaluate, judge, compare, and contrast. The team member's systematic approach of breaking down, analyzing, evaluating, and logically deducing solutions directly aligns with the functions of componential intelligence. Experiential intelligence involves dealing with novel situations and generating new ideas, while contextual intelligence is about adapting to or shaping one's environment, which are not the primary skills highlighted in this analytical task.

Answer

A. Experiential (Creative) Intelligence.

Answer

B. Contextual (Practical) Intelligence.

Answer

D. Emotional Intelligence.

Question 8

An adolescent who is part of a close-knit peer group that values conformity may experience which of the following social pressures?

Accepted Answer

A. Pressure to engage in risk-taking behaviors — The correct answer is A because adolescents who are part of a close-knit peer group that values conformity may feel pressure to engage in risk-taking behaviors to fit in or gain acceptance from their peers. This can include behaviors such as substance use, reckless driving, or other actions that might be harmful. Options B, C, and D are less likely in a group that emphasizes conformity over individuality or positive behaviors.

Answer

B. Influence to adopt healthy lifestyles

Answer

C. Encouragement to pursue individual interests

Answer

D. Support for exploring different social identities

Question 9

The wavelength of a 256 Hz sound wave in air (v=343 m/s) is approximately:‌​‍

Accepted Answer

1.34 m — λ = v/f = 343/256 ≈ 1.34 m.‌​‍

Answer

76.8 m

Answer

3.4 m

Answer

0.76 m

Question 10

Trypsin is secreted by:

Accepted Answer

Pancreas (as trypsinogen, activated by enterokinase) — Protease. Cleaves peptides on C-terminal of K and R. Bile (from liver) emulsifies fats — not an enzyme.

Answer

Stomach

Answer

Liver

Answer

Salivary glands

DCOA Mixed Practice Test #37