DCOA Mixed Practice Test #65

Question 1

The first travelogue in Malayalam is:‌​‍

Accepted Answer

Varthamanappusthakam — Varthamanappusthakam by Paremmakkal Thoma Kathanar (1785) is the first travelogue in Malayalam, describing his journey to Rome.‌​‍

Answer

Indulekha

Answer

Malabar Manual

Answer

Krishnagatha

Question 2

Aruvippuram installation year:‌​‍

Accepted Answer

1888 — 1888 — Shiva Linga installation.‌​‍

Answer

1885

Answer

1891

Answer

1903

Question 3

An unknown element 'M' exhibits the following characteristic properties: it readily forms compounds with variable oxidation states, its ions often produce intensely coloured solutions in water, and it is frequently employed as a catalyst in various chemical reactions. Based on these observations, to which block of the modern periodic table does element 'M' most likely belong?

Accepted Answer

C. d-block — The described properties—variable oxidation states, formation of intensely coloured ions, and catalytic activity—are hallmarks of transition metals. Transition metals occupy the d-block of the periodic table, where their partially filled d-orbitals allow for these characteristics. s-block elements typically have fixed oxidation states and form colourless ions, while p-block and f-block elements do not consistently exhibit this specific combination of properties to the same extent as d-block elements.

Answer

A. s-block

Answer

B. p-block

Answer

D. f-block

Question 4

Which of the following is a key component of the 'Aardram' mission launched by the Government of Kerala to improve healthcare services?

Accepted Answer

B. Upgrading of government hospitals to 'Aardram' model with enhanced facilities — The 'Aardram' mission focuses on upgrading government hospitals to model institutions with improved infrastructure, technology, and patient care, rather than constructing new medical colleges or providing universal insurance. Private sector participation is not a core component of this mission.

Answer

A. Construction of new medical colleges in every district

Answer

C. Provision of free medical insurance to all Keralites

Answer

D. Mandatory private sector participation in rural healthcare

Question 5

Xylem transports:‌​‍

Accepted Answer

Water, minerals — Water and minerals from roots up.‌​‍

Answer

Food

Answer

Hormones

Answer

Gases

Question 6

ICAR Kerala centers:

Accepted Answer

CMFRI, CPCRI, KAU — Multiple.

Answer

Only KAU

Answer

None

Answer

Only CMFRI

Question 7

Which 1795 treaty heavily impacted Travancore's economic autonomy?‌​‍

Accepted Answer

Treaty of Cochin — The 1795 Treaty of Cochin between EIC and Travancore brought Travancore under British paramountcy.‌​‍

Answer

Treaty of Mangalore

Answer

Treaty of Srirangapatna

Answer

Treaty of Mavelikkara

Question 8

Which countries play the Ashes cricket tests?‌​‍

Accepted Answer

England-Australia — The Ashes — historic Test series between England and Australia.‌​‍

Answer

England-New Zealand

Answer

England-Sri Lanka

Answer

England-France

Question 9

Alkaloids are generally characterized by their basic nature, which is primarily due to the presence of:

Accepted Answer

C. Nitrogen atoms — Alkaloids are naturally occurring organic compounds containing at least one nitrogen atom, usually in a heterocyclic ring, which confers basic properties to the molecule, allowing them to react with acids to form salts. Carboxyl groups are acidic, hydroxyl groups are alcoholic/phenolic, and ester linkages are neutral functionalities.

Answer

A. Carboxyl groups

Answer

B. Hydroxyl groups

Answer

D. Ester linkages

Question 10

The Western Ghats play a crucial role in shaping Kerala's climate and monsoon patterns. Which of the following best describes their primary influence on the Southwest Monsoon rainfall distribution in the state?

Accepted Answer

A. They act as a physical barrier, forcing the moisture-laden Southwest Monsoon winds to rise, condense, and cause heavy orographic rainfall on their windward slopes. — The Western Ghats are a major physiographic feature that intercepts the Southwest Monsoon winds. As these winds strike the western slopes (windward side), they are forced to ascend, cool, condense, and precipitate heavy rainfall. This phenomenon, known as orographic rainfall, is the primary reason for the abundant rainfall in Kerala during the Southwest Monsoon. Options B, C, and D describe incorrect or secondary effects, or misrepresent the overall climate.

Answer

B. They facilitate the entry of dry continental air masses, leading to a significant reduction in rainfall across the central districts during the monsoon season.

Answer

C. They cause the Northeast Monsoon to intensify significantly, resulting in prolonged periods of heavy rainfall in the coastal plains during winter months.

Answer

D. They create a strong rain shadow effect on the entire eastern side of Kerala, making it uniformly arid throughout the year.

DCOA Mixed Practice Test #65