VFA Mixed Practice Test #279

Question 1

The wavelength of a 256 Hz sound wave in air (v=343 m/s) is approximately:‌​‍

Accepted Answer

1.34 m — λ = v/f = 343/256 ≈ 1.34 m.‌​‍

Answer

76.8 m

Answer

3.4 m

Answer

0.76 m

Question 2

Which is the smallest national park in Kerala?‌​‍

Accepted Answer

Pampadum Chola — Pampadum Shola NP — smallest (1.318 sq km) in Kerala.‌​‍

Answer

Eravikulam

Answer

Mathikettan Chola

Answer

Anamudi Chola

Question 3

Capital of Canada:‌​‍

Accepted Answer

Ottawa — Ottawa.‌​‍

Answer

Vancouver

Answer

Toronto

Answer

Montreal

Question 4

Who wrote the book 'A Vindication of the Rights of Woman'?

Accepted Answer

Mary Wollstonecraft — Mary Wollstonecraft published it in 1792.

Answer

Betty Friedan

Answer

Ruth Bader Ginsburg

Answer

Henriette Dessaulles Casgrain

Question 5

Aristotle called humans:‌​‍

Accepted Answer

Political animal (zoon politikon) — Aristotle in 'Politics' called man a 'zoon politikon' — naturally inclined to live in a polis (city-state).‌​‍

Answer

Economic animal

Answer

Rational animal

Answer

Social animal only

Question 6

Forgetting curve was described by:‌​‍

Accepted Answer

Hermann Ebbinghaus (1885) — Most forgetting occurs quickly after learning, then slows. ‌​‍Nonsense syllables. Savings method.

Answer

Freud

Answer

James

Answer

Pavlov

Question 7

Ageostationary satellite orbits Earth once every:

Accepted Answer

24 hours — Geostationary satellites orbit at 35,786 km above equator, matching Earth's rotation.

Answer

1 hour

Answer

12 hours

Answer

1 week

Question 8

In the context of cardiac glycosides like Digoxin, which structural component is directly responsible for their cardiotonic activity and pharmacological effect on the heart muscle?

Accepted Answer

B. The steroid nucleus (aglycone/genin) — The pharmacological activity of cardiac glycosides, such as Digoxin, resides primarily in the aglycone (or genin) part, which is a steroid nucleus with an unsaturated lactone ring. The sugar moiety (glycone) primarily influences the pharmacokinetic properties like absorption and solubility, but not the direct cardiotonic action.

Answer

A. The sugar moiety (glycone)

Answer

C. The ester linkage

Answer

D. The hydroxyl groups on the sugar

Question 9

Kudumbashree year:‌​‍

Accepted Answer

1998 — 17 May 1998.‌​‍

Answer

1996

Answer

2000

Answer

2002

Question 10

The Kerala State Government recently introduced a new policy mandating comprehensive digital literacy training for all teachers in government and aided schools. Which state-level body is primarily responsible for the *overall execution, supervision, and administrative coordination* of this policy across all schools in Kerala?

Accepted Answer

B. Directorate of Public Instruction (DPI) — The Directorate of Public Instruction (DPI) is the primary administrative authority responsible for the overall implementation, supervision, and coordination of state-level educational policies and programs across all schools in Kerala. SCERT focuses on academic aspects, SSA on elementary education programs, and DIET on district-level teacher training.

Answer

A. State Council of Educational Research and Training (SCERT)

Answer

C. Sarva Shiksha Abhiyan (SSA)

Answer

D. District Institute of Education and Training (DIET)

VFA Mixed Practice Test #279