DCOA Mixed Practice Test #411

Question 1

Pellagra vitamin:‌​‍

Accepted Answer

B3 (Niacin) — Niacin (B3) deficiency.‌​‍

Answer

B12

Answer

B1

Answer

C

Question 2

A primary school teacher observes that one of her students struggles significantly with reading and arithmetic but demonstrates exceptional coordination, balance, and rhythm, often being the first to master new physical games or dance routines. According to Howard Gardner's Theory of Multiple Intelligences, which intelligence is most prominently displayed by this student?

Accepted Answer

C. Bodily-Kinesthetic Intelligence — Bodily-Kinesthetic Intelligence, as proposed by Gardner, involves the ability to control one's body movements and to handle objects skillfully. The student's exceptional coordination, balance, rhythm, and mastery of physical games directly align with this intelligence, despite struggles in traditional academic areas like linguistic or logical-mathematical intelligence. Spatial intelligence relates to visual-spatial reasoning.

Answer

A. Linguistic Intelligence

Answer

B. Logical-Mathematical Intelligence

Answer

D. Spatial Intelligence

Question 3

In the early 19th century, Velu Thampi Dalawa's rebellion in Travancore was a significant resistance against British paramountcy. Which of the following factors most accurately represents the primary catalyst for his uprising?

Accepted Answer

B. The demand for increased financial subsidies from Travancore by the British Resident and the growing interference in state administration. — Velu Thampi Dalawa's rebellion was primarily triggered by the oppressive demands for increased financial subsidies (arrears) from Travancore by the British Resident, Colonel Macaulay, and the escalating British interference in the state's internal administration. His famous Kundara Proclamation vividly expressed these grievances, rallying people against the British and their local allies. The other options represent either later developments, less direct causes, or inaccurate historical contexts for the primary catalyst of his rebellion.

Answer

A. The British imposition of a uniform legal code across all princely states, undermining local customs.

Answer

C. The British support for Christian missionaries, which was perceived as a threat to Hindu religious traditions.

Answer

D. The British efforts to abolish the practice of slavery in Travancore, which affected the economic interests of the ruling class.

Question 4

The newspaper Al-Ameen was started by:‌​‍

Accepted Answer

Muhammad Abdul Rahman Sahib — Muhammad Abdul Rahman Sahib launched Al-Ameen (1924) in Kozhikode.‌​‍

Answer

Maulana Abul Kalam Azad

Answer

Maulana Shaukat Ali

Answer

Vakkam Abdul Khader Moulavi

Question 5

Unit of resistance:‌​‍

Accepted Answer

Ohm — Ohm (Ω).‌​‍

Answer

Ampere

Answer

Farad

Answer

Volt

Question 6

While globally lauded for its achievements, the Kerala Model of Development currently faces several critical sustainability challenges. Among the options below, which represents the most significant and pressing long-term challenge to its continued success?

Accepted Answer

B. The escalating fiscal burden stemming from an aging population, high social security commitments, and limited avenues for revenue generation. — A major long-term challenge for the Kerala Model is the increasing fiscal strain. This is primarily caused by a rapidly aging population demanding more extensive social security and healthcare services, coupled with high existing social welfare expenditures, and a relatively limited industrial base to generate sufficient state revenue, making it challenging to sustain the high level of public services.

Answer

A. A significant decline in the quality and reach of public education and healthcare services due to underfunding.

Answer

C. Persistent political instability and frequent changes in government hindering long-term policy implementation.

Answer

D. A complete reversal of land reform policies, leading to increased agrarian distress and landlessness.

Question 7

Which of the following factors primarily determines the rate of gas exchange (oxygen and carbon dioxide) across the alveolar-capillary membrane?

Accepted Answer

B. Partial pressure gradient of gases — The rate of gas exchange across the alveolar-capillary membrane is directly proportional to the partial pressure gradient of oxygen and carbon dioxide. Gases move from an area of higher partial pressure to an area of lower partial pressure. Blood pH primarily affects hemoglobin's affinity for oxygen, while lung compliance and tidal volume influence ventilation, not the direct rate of diffusion.

Answer

A. Blood pH

Answer

C. Lung compliance

Answer

D. Tidal volume

Question 8

A major industrial complex in an ecologically sensitive zone of Kerala is found to be regularly violating environmental norms by discharging untreated effluents and emitting hazardous air pollutants, severely impacting the local ecosystem and public health. Which of the following is the principal umbrella legislation that empowers the Central Government to take comprehensive measures, including setting national standards, issuing directions, and coordinating actions for the prevention, control, and abatement of such multi-faceted environmental pollution?

Accepted Answer

C. The Environment (Protection) Act, 1986 — The Environment (Protection) Act, 1986, is an umbrella legislation enacted to provide for the protection and improvement of the environment and for matters connected therewith. It grants broad powers to the Central Government to take all necessary measures to protect and improve the quality of the environment, and to prevent, control, and abate environmental pollution, including setting national standards and issuing directions. While the Water Act and Air Act specifically address water and air pollution respectively, the EPA provides the overarching legal framework and comprehensive powers to

Answer

A. The Water (Prevention and Control of Pollution) Act, 1974

Answer

B. The Air (Prevention and Control of Pollution) Act, 1981

Answer

D. The Wildlife (Protection) Act, 1972

Question 9

Crypto regulation India:‌​‍

Accepted Answer

Under discussion — Regulatory framework evolving.‌​‍

Answer

Cancelled

Answer

Full ban

Answer

Full allowed

Question 10

Brain weight (adult):‌​‍

Accepted Answer

1.4 kg — About 1400g.‌​‍

Answer

500g

Answer

3 kg

Answer

5 kg

DCOA Mixed Practice Test #411