VFA Mixed Practice Test #57

Question 1

Which of the following is a reducing agent?‌​‍

Accepted Answer

Hydrogen — H₂ readily donates electrons (or H atoms) → reducing agent.‌​‍

Answer

Potassium permanganate

Answer

Chlorine

Answer

Fluorine

Question 2

Kerala 100% literacy year:

Accepted Answer

1991 — 18 April 1991 declared.

Answer

1990

Answer

1989

Answer

1995

Question 3

Which of the following is a characteristic of non-electrolytes in solution?

Accepted Answer

B. They do not dissociate into ions in solution — Non-electrolytes do not dissociate into ions when dissolved in solution, unlike electrolytes. This property means they do not conduct electricity. The other options describe electrolytes or incorrect properties.

Answer

A. They dissociate into ions in solution

Answer

C. They conduct electricity in solution

Answer

D. They are always acidic

Question 4

Number of time zones:

Accepted Answer

24 — 24 time zones (15° apart).

Answer

12

Answer

36

Answer

48

Question 5

Methane gas was discovered by:‌​‍

Accepted Answer

Alessandro Volta — Volta discovered methane in 1776.‌​‍

Answer

Alexander Fleming

Answer

John Dalton

Answer

Thomas Alva Edison

Question 6

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 7

The calorific value of 1 g of carbohydrate is approximately:

Accepted Answer

4 kcal — Carbs and proteins: 4 kcal/g; fats: 9 kcal/g; alcohol: 7 kcal/g.

Answer

9 kcal

Answer

7 kcal

Answer

2 kcal

Question 8

Hardy-Weinberg equation p² + 2pq + q² = 1 describes:‌​‍

Accepted Answer

Allele and genotype frequencies in equilibrium population — If population in HWE, frequencies unchanged across generations. ‌​‍Deviations → evolutionary forces at work.

Answer

Extinction

Answer

Evolution

Answer

Mutation

Question 9

Samagra Shiksha Kerala (SSK) is an overarching program for school education. Which of the following best describes its integrated approach?

Accepted Answer

B. It integrates the schemes of Sarva Shiksha Abhiyan (SSA), Rashtriya Madhyamik Shiksha Abhiyan (RMSA), and Teacher Education (TE). — Samagra Shiksha Kerala (SSK) is an integrated scheme for school education extending from pre-school to higher secondary levels. It was formed by subsuming the three existing schemes of Sarva Shiksha Abhiyan (SSA), Rashtriya Madhyamik Shiksha Abhiyan (RMSA), and Teacher Education (TE) to ensure inclusive and equitable quality education at all levels. The other options describe partial aspects or incorrect focuses of the comprehensive SSK program.

Answer

A. It focuses exclusively on primary education, from pre-school to standard V.

Answer

C. It provides vocational training only to students in standards IX and X.

Answer

D. It primarily aims at promoting higher education scholarships for meritorious students.

Question 10

The only Keralite whose birthday and death anniversary are observed as holidays is:

Accepted Answer

Sree Narayana Guru — Chathayam (birthday) and Samadhi day of Sree Narayana Guru are both Kerala public holidays.

Answer

Kuriakose Elias Chavara

Answer

Poykayil Yohannan

Answer

Brahmananda Swami Sivayogi

VFA Mixed Practice Test #57