VFA Mixed Practice Test #708

Question 1

Fractional distillation separates:‌​‍

Accepted Answer

Liquids with close boiling points — Fractional distillation uses repeated vaporisation-condensation cycles (e.g., petroleum refining).‌​‍

Answer

Only alcohol

Answer

Gases only

Answer

Solids

Question 2

Nair Service Society was formed in the year:

Accepted Answer

1914 — NSS was founded on 31 October 1914 by Mannathu Padmanabhan.

Answer

1811

Answer

1917

Answer

1918

Question 3

Name the pigment which helps animals to see in dim light:‌​‍

Accepted Answer

Rhodopsin — Rhodopsin (visual purple) in rod cells enables low-light vision.‌​‍

Answer

Chromatin

Answer

Photopsin

Answer

Haemoglobin

Question 4

Which Kerala-based educational institution received the 'Champions of Change' award from the Government of India in 2018 for its innovative learning methods?

Accepted Answer

A. Government Higher Secondary School, Attappady — Government Higher Secondary School, Attappady was recognized for its innovative tribal education initiatives under the 'Champions of Change' award. The other options are well-known institutions but did not receive this specific award in 2018.

Answer

B. Kendriya Vidyalaya, Thiruvananthapuram

Answer

C. Government Model Higher Secondary School, Kozhikode

Answer

D. Sri Sankara Vidyapeetam, Ernakulam

Question 5

Pathanamthitta known for:‌​‍

Accepted Answer

Sabarimala — Sabarimala temple. Newest district (1982).‌​‍

Answer

Theyyam

Answer

Backwaters

Answer

Pooram

Question 6

Which type of sampling involves dividing the population into distinct subgroups and selecting a random sample from each subgroup?

Accepted Answer

Stratified Sampling — Stratified sampling divides the population into homogeneous strata and samples from each.

Answer

Simple Random Sampling

Answer

Cluster Sampling

Answer

Convenience Sampling

Question 7

Which of the following scenarios best illustrates intrinsic motivation in a student's learning process?

Accepted Answer

C. A student spending hours researching a historical topic purely out of personal fascination. — Intrinsic motivation is driven by an internal desire to learn or engage in an activity for its inherent satisfaction, such as personal fascination. The other options describe actions motivated by external rewards (scholarship, college admission) or avoidance of negative consequences (parental punishment), which are characteristics of extrinsic motivation.

Answer

A. A student studying diligently for an exam to win a scholarship.

Answer

B. A student completing homework assignments to avoid parental punishment.

Answer

D. A student participating in a debate club to impress college admissions officers.

Question 8

Which district recorded the highest temperature of 40 degrees C in Kerala in April 2026?‌​‍

Accepted Answer

Palakkad — Palakkad recorded 40 degrees C near Malampuzha Dam area, the highest in the state.‌​‍

Answer

Thrissur

Answer

Kozhikode

Answer

Kollam

Question 9

Which of the following physiological systems, primarily initiated and regulated by the kidneys, is most crucial for the long-term maintenance of arterial blood pressure and fluid balance?

Accepted Answer

C. The Renin-Angiotensin-Aldosterone System (RAAS), influencing vasoconstriction and sodium reabsorption. — The Renin-Angiotensin-Aldosterone System (RAAS) is initiated by the kidneys releasing renin in response to decreased blood pressure or volume. This cascade leads to the production of angiotensin II, a potent vasoconstrictor, and the secretion of aldosterone, which promotes sodium and water reabsorption, thereby directly impacting long-term blood pressure and fluid balance. Options A and D represent short-term neural regulatory mechanisms, while option B, ADH, primarily regulates water reabsorption and is not primarily initiated by the kidneys for comprehensive long-term blood pressure regulati

Answer

A. The baroreceptor reflex, by sensing changes in arterial stretch.

Answer

B. The secretion of antidiuretic hormone (ADH) from the posterior pituitary.

Answer

D. The sympathetic nervous system, by altering cardiac output and peripheral resistance.

Question 10

'Ballot is more powerful than bullet' — who said so?

Accepted Answer

Abraham Lincoln — Famous Abraham Lincoln quote.

Answer

Jawaharlal Nehru

Answer

George Washington

Answer

Mahatma Gandhi

VFA Mixed Practice Test #708