DCOA Mixed Practice Test #517

Question 1

Which Kerala festival is known as the 'Festival of Lights'?‌​‍

Accepted Answer

Vishu — Vishu (Kerala New Year in April) features the Vishukkani — an auspicious arrangement of items seen first thing in the morning. ‌​‍While Deepavali is the pan-Indian 'festival of lights', in Kerala context, Vishu's lamp and kani arrangement represents light/new beginnings.

Answer

Thiruvathira

Answer

Onam

Answer

Thrissur Pooram

Question 2

Charles Horton Cooley's concept 'looking-glass self' means:

Accepted Answer

We develop self-image through others' perceptions — Cooley (1902): self emerges via 3 steps — we imagine how we appear to others, imagine their judgment, develop self-feeling.

Answer

Self-reflection in mirrors

Answer

Physical appearance

Answer

Narcissism

Question 3

According to Maslow's Hierarchy of Needs, a student who is frequently hungry, lacks adequate sleep, and feels unsafe at home will likely struggle most with academic learning because their most basic needs are not being met. Which level of needs is primarily unfulfilled in this situation?

Accepted Answer

C. Physiological and Safety needs. — The correct answer is C. Maslow's Hierarchy places physiological needs (food, water, sleep) and safety needs (security, stability) at the foundational levels. When these basic needs are unfulfilled, an individual's focus remains on meeting them, making it difficult to attend to higher-level needs like learning. Esteem, self-actualization, and love/belonging needs are higher up the hierarchy and become salient only after the more fundamental needs are addressed.

Answer

A. Esteem needs.

Answer

B. Self-actualization needs.

Answer

D. Love and Belonging needs.

Question 4

Two UN member states are engaged in a legal dispute over maritime boundaries. For the International Court of Justice (ICJ) to hear and rule on this case, which fundamental principle must primarily be satisfied?

Accepted Answer

C. Both states involved in the dispute must explicitly or implicitly consent to the ICJ's jurisdiction over the matter. — The fundamental principle governing the International Court of Justice's (ICJ) jurisdiction in contentious cases between states is consent. Both states involved in a dispute must consent to the ICJ's jurisdiction, either through a special agreement (compromis), a clause in a treaty, or by accepting the compulsory jurisdiction under the 'Optional Clause'. The UN Security Council referral or UN General Assembly resolution cannot compel states to submit to contentious jurisdiction, and while the Optional Protocol is a means of establishing jurisdiction, it is not the sole or primary fundamental p

Answer

A. The dispute must first be referred to the UN Security Council for a preliminary review and recommendation.

Answer

B. At least one of the disputing states must be a signatory to the Optional Protocol of the ICJ Statute.

Answer

D. The UN General Assembly must pass a resolution requesting the ICJ to adjudicate the specific dispute.

Question 5

The term 'BRICS Plus' refers to an expansion of the BRICS economic bloc. Which country was the first to be formally invited to join BRICS as part of this expansion in 2023?

Accepted Answer

D. Iran — In 2023, BRICS announced its first expansion by inviting six countries to join: Saudi Arabia, Egypt, Ethiopia, Iran, Argentina, and the UAE. However, the question asks for the first country formally invited, and among the options, Iran was the first to be publicly announced as part of the BRICS expansion. The other options were also invited but not in the initial announcement order.

Answer

A. Saudi Arabia

Answer

B. Egypt

Answer

C. Ethiopia

Question 6

Stomata are found on:‌​‍

Accepted Answer

Leaves — Stomata are tiny pores on leaf surfaces that allow gas exchange (CO₂ in, O₂ out) and transpiration.‌​‍

Answer

Roots

Answer

Stem

Answer

Flowers

Question 7

Microplastics are:

Accepted Answer

Tiny plastic particles <5 mm, polluting waterways and food chain — Microplastics (<5 mm) from breakdown of larger plastics or microbeads enter oceans and human food.

Answer

Very small functional devices

Answer

Plastic recycled into microchips

Answer

Biodegradable

Question 8

Indole alkaloids, such as reserpine and vinca alkaloids, are derived from which of the following amino acid precursors?

Accepted Answer

D. Tryptophan — Tryptophan is the primary amino acid precursor for the biosynthesis of indole alkaloids, which include important drugs like reserpine and vinca alkaloids. Tyrosine is a precursor for isoquinoline alkaloids, ornithine for tropane alkaloids, and lysine for quinolizidine and piperidine alkaloids.

Answer

A. Tyrosine

Answer

B. Ornithine

Answer

C. Lysine

Question 9

Furosemide, a loop diuretic, exerts its therapeutic effect by acting on which part of the nephron?

Accepted Answer

D. Thick ascending limb of the loop of Henle — Furosemide inhibits the Na+/K+/2Cl- co-transporter in the thick ascending limb of the loop of Henle, leading to increased excretion of water, sodium, potassium, and chloride. This makes them highly potent diuretics, often used in conditions like acute pulmonary edema.

Answer

A. Proximal convoluted tubule

Answer

B. Distal convoluted tubule

Answer

C. Collecting duct

Question 10

Who wrote the poem 'Jathikkummi'?‌​‍

Accepted Answer

Pandit Karuppan — Pandit Karuppan wrote Jathikkummi, a poem advocating social equality for lower castes.‌​‍

Answer

Vallathol

Answer

Ulloor

Answer

Kumaran Asan

DCOA Mixed Practice Test #517