DCOA Mixed Practice Test #575

Question 1

The Aikya Kerala Movement for a united Malayalam-speaking state resulted in the formation of Kerala State on:

Accepted Answer

1 November 1956 — Kerala State was formed on 1 November 1956 under the States Reorganisation Act; 1 July 1949 was the Travancore-Cochin merger.

Answer

15 August 1947

Answer

26 January 1950

Answer

1 July 1949

Question 2

The first Chief Minister of Kerala was:‌​‍

Accepted Answer

E.M.S. Namboodiripad — E.M.S. ‌​‍Namboodiripad became the first CM of Kerala in 1957, heading India's first democratically elected communist government.

Answer

Pattom Thanu Pillai

Answer

R. Sankar

Answer

C. Achutha Menon

Question 3

Kerala Varma Pazhassi Raja was a member of which royal family?‌​‍

Accepted Answer

Kottayam royal family — Pazhassi Raja belonged to the Kottayam royal family in Northern Malabar.‌​‍

Answer

Venad royal family

Answer

Zamorin of Calicut

Answer

Cochin royal family

Question 4

Capital of South Africa:‌​‍

Accepted Answer

Three capitals — Pretoria (exec), Cape Town (legis), Bloemfontein (jud).‌​‍

Answer

Cape Town

Answer

Pretoria

Answer

Johannesburg

Question 5

Metallurgy — concentration of bauxite ore uses:‌​‍

Accepted Answer

Leaching with NaOH (Bayer's process) — Al₂O₃ dissolves; impurities (Fe₂O₃, SiO₂) insoluble. ‌​‍Then Hall-Héroult electrolysis for Al.

Answer

Magnetic separation

Answer

Gravity

Answer

Froth flotation

Question 6

The last temple consecrated by Sree Narayana Guru was at:‌​‍

Accepted Answer

Kalavancode — Kalavancode temple (1927) was his last consecration; he installed only a mirror as the deity.‌​‍

Answer

Aruvippuram

Answer

Sivagiri

Answer

Varkala

Question 7

Laterite soil is the predominant soil type found in many parts of Kerala. This soil type's formation is primarily attributed to which specific set of climatic conditions and associated geological processes?

Accepted Answer

B. High rainfall and high temperatures causing intense leaching of silica and accumulation of iron and aluminum oxides. — Laterite soils form under hot and humid tropical climates with heavy rainfall, which causes intense leaching of soluble bases and silica from the parent rock. This process leaves behind residual oxides of iron and aluminum, giving the soil its characteristic reddish color and often a hard crust. Options A, C, and D describe conditions for the formation of different soil types not typical for laterite in Kerala's climate.

Answer

A. Low temperatures and arid conditions leading to chemical weathering and accumulation of carbonates.

Answer

C. Moderate rainfall and temperate climate promoting the deposition of organic matter and formation of black soils.

Answer

D. Seasonal floods and alluvial deposition in river valleys, leading to highly fertile loamy soils.

Question 8

The Nobel Peace Prize is awarded at:‌​‍

Accepted Answer

Oslo, Norway — The Nobel Peace Prize is awarded in Oslo, Norway. ‌​‍All other Nobel Prizes (Physics, Chemistry, Medicine, Literature, Economics) are awarded in Stockholm, Sweden.

Answer

Stockholm, Sweden

Answer

Geneva, Switzerland

Answer

The Hague, Netherlands

Question 9

Bharat 6G Alliance:‌​‍

Accepted Answer

Indian 6G body — Industry-academia consortium.‌​‍

Answer

Foreign

Answer

Private

Answer

Government only

Question 10

Markovnikov's rule:‌​‍

Accepted Answer

H adds to C with more H's in HX addition to asymmetric alkene — Results in more stable carbocation intermediate. ‌​‍Anti-Markovnikov (peroxide effect) in HBr + peroxide via free radicals.

Answer

Anti-Markovnikov

Answer

E1 elimination

Answer

Free radical

DCOA Mixed Practice Test #575