DCOA Mixed Practice Test #767

Question 1

V.R. Krishna Iyer:‌​‍

Accepted Answer

Judge and reformer — SC judge, social reformer.‌​‍

Answer

Filmmaker

Answer

Priest

Answer

Politician

Question 2

Which of the following is a characteristic of non-electrolytes in solution?

Accepted Answer

B. They do not dissociate into ions in solution — Non-electrolytes do not dissociate into ions when dissolved in solution, unlike electrolytes. This property means they do not conduct electricity. The other options describe electrolytes or incorrect properties.

Answer

A. They dissociate into ions in solution

Answer

C. They conduct electricity in solution

Answer

D. They are always acidic

Question 3

Which of these has the shortest wavelength among electromagnetic waves?‌​‍

Accepted Answer

Gamma rays — Gamma rays (< 0.01 nm) have the shortest wavelength / highest frequency.‌​‍

Answer

Radio

Answer

Microwave

Answer

Visible

Question 4

Biggest lake Africa:‌​‍

Accepted Answer

Lake Victoria — Lake Victoria.‌​‍

Answer

Malawi

Answer

Tanganyika

Answer

Chad

Question 5

FIFA 2022 won by:‌​‍

Accepted Answer

Argentina — Argentina.‌​‍

Answer

France

Answer

Brazil

Answer

Germany

Question 6

The Mysore invasions of Kerala in the late 18th century and the subsequent Treaty of Seringapatam (1792) significantly altered the political landscape of the region. From the perspective of administrative and political integration into the broader British Indian Empire, which of the following represents the most crucial long-term outcome for the Malabar region?

Accepted Answer

C. It marked the direct annexation of Malabar by the British and its subsequent integration as a district into the Madras Presidency. — The Treaty of Seringapatam (1792) ceded Malabar to the British East India Company, directly leading to its annexation and integration as a district into the Madras Presidency. This fundamentally altered Malabar's political identity, ending traditional rule and establishing direct British administration. Travancore and Cochin, while allies, subsequently became princely states under British paramountcy, not fully independent.

Answer

A. It led to the complete independence of Travancore and Cochin from external influence, as they were vital British allies.

Answer

B. It resulted in the formation of a unified 'Kerala State' under direct British administration, dissolving all existing princely states.

Answer

D. It primarily strengthened the traditional feudal system in Malabar by eliminating external threats and restoring local chieftains.

Question 7

The deepest ocean is:‌​‍

Accepted Answer

Pacific — Pacific is the deepest (Mariana Trench, ~11,034 m). ‌​‍It is also the largest ocean.

Answer

Atlantic

Answer

Indian

Answer

Arctic

Question 8

An adolescent frequently changes their style of dress, musical preferences, and friend groups, expressing confusion about who they 'really are.' This struggle is primarily related to which developmental task?

Accepted Answer

C. Forming a sense of identity — According to Erik Erikson's stages of psychosocial development, the primary task for adolescents (ages 12-18) is 'Identity vs. Role Confusion.' This involves exploring different roles, beliefs, and behaviors to form a coherent sense of self. The described changes and confusion directly reflect this struggle for identity.

Answer

A. Developing intimate relationships

Answer

B. Achieving industry

Answer

D. Mastering concrete operations

Question 9

How many bones does a newborn baby have?‌​‍

Accepted Answer

300 — Newborns have ~270 bones. Many fuse together, leaving adults with 206.‌​‍

Answer

206

Answer

270

Answer

350

Question 10

NRI remittance state — top:‌​‍

Accepted Answer

Kerala — Kerala receives highest NRI remittances (Gulf workers).‌​‍

Answer

Gujarat

Answer

Tamil Nadu

Answer

Punjab

DCOA Mixed Practice Test #767