VFA Mixed Practice Test #432

Question 1

Kerala NLU — NUALS:

Accepted Answer

Kochi — Kochi.

Answer

TVM

Answer

Kozhikode

Answer

Thrissur

Question 2

The Nilgiri Biosphere Reserve spans:‌​‍

Accepted Answer

Kerala, Tamil Nadu, Karnataka — Nilgiri Biosphere Reserve spans parts of Kerala, Tamil Nadu, and Karnataka.‌​‍

Answer

Kerala only

Answer

Kerala and Tamil Nadu

Answer

All South Indian states

Question 3

Robert K. Merton's distinction:

Accepted Answer

Manifest vs Latent functions — Merton (1949): Manifest functions = intended consequences; Latent = unintended/unrecognised (e.g., Hopi rain dance manifestly seeks rain, latently reinforces group solidarity).

Answer

Primary vs Secondary groups

Answer

Rural vs Urban

Answer

Conflict vs Consensus

Question 4

The famous work 'Mokshapradeepam' was written by:‌​‍

Accepted Answer

Brahmananda Sivayogi — Brahmananda Sivayogi of Alathur authored Mokshapradeepam.‌​‍

Answer

V.T. Bhattathiripad

Answer

Kumaran Asan

Answer

Dr. Palpu

Question 5

The bicarbonate buffer system (H2CO3/HCO3-) is the most important extracellular buffer in the human body. Its primary role is to maintain the physiological pH of blood within a narrow range. Which of the following statements accurately describes its function?

Accepted Answer

B. It quickly neutralizes excess H+ ions by forming carbonic acid, which can then be converted to CO2 and excreted by the lungs. — The bicarbonate buffer system acts rapidly to buffer pH changes in the extracellular fluid. When excess H+ ions are present, bicarbonate (HCO3-) combines with them to form carbonic acid (H2CO3). Carbonic acid then dissociates into CO2 and water, allowing CO2 to be expelled by the lungs, effectively removing acid from the body.

Answer

A. It primarily buffers intracellular pH changes.

Answer

C. It actively transports H+ ions out of the body via the kidneys.

Answer

D. It directly consumes CO2 to produce bicarbonate ions.

Question 6

Which lens is used in a simple camera?

Accepted Answer

Convex (converging) — Camera uses convex lens to form real inverted image on the film/sensor.

Answer

Concave

Answer

Cylindrical

Answer

Plain glass

Question 7

The 'Sarva Shiksha Abhiyan' (SSA) in Kerala is implemented under which of the following government initiatives?

Accepted Answer

A. Right to Education (RTE) Act — Sarva Shiksha Abhiyan (SSA) is a flagship programme of the Government of India to implement the Right to Education (RTE) Act, ensuring free and compulsory education for children aged 6-14 years. Mid-day meals and RUSA are separate schemes, while the National Literacy Mission focuses on adult education.

Answer

B. National Programme of Mid-Day Meals in Schools

Answer

C. Rashtriya Uchchatar Shiksha Abhiyan (RUSA)

Answer

D. National Literacy Mission Authority

Question 8

Which of the following drugs is a selective serotonin reuptake inhibitor (SSRI)?

Accepted Answer

B. Fluoxetine — Fluoxetine is an SSRI used for depression and anxiety disorders. Amitriptyline is a tricyclic antidepressant, diazepam is a benzodiazepine, and haloperidol is an antipsychotic.

Answer

A. Amitriptyline

Answer

C. Diazepam

Answer

D. Haloperidol

Question 9

The process of adding H₂ to unsaturated oils to convert them to solid fats is:‌​‍

Accepted Answer

Hydrogenation — Vegetable oils + H₂ (Ni catalyst) → saturated fats (vanaspati, margarine).‌​‍

Answer

Esterification

Answer

Saponification

Answer

Polymerisation

Question 10

To foster a learning environment that supports students' intrinsic motivation, a teacher should prioritize strategies that enhance students' sense of autonomy, competence, and relatedness. Which of the following teacher actions primarily supports a student's sense of autonomy?

Accepted Answer

B. Allowing students to choose from a range of project topics and presentation methods. — The correct answer is B. Autonomy refers to a student's feeling of control and choice over their learning. Allowing students to choose topics or methods directly enhances their sense of autonomy. Option A relates to competence, C to relatedness, and D to both competence and positive reinforcement, but B is the most direct way to support autonomy.

Answer

A. Providing clear rubrics and consistent feedback on assignments.

Answer

C. Organizing group activities that promote collaboration and peer support.

Answer

D. Regularly praising students for their effort and improvement, not just their achievements.

VFA Mixed Practice Test #432