HSA Mixed Practice Test #175

Question 1

Right to Education is under which article?‌​‍

Accepted Answer

Article 21A — Article 21A (86th Amendment, 2002) — free and compulsory education for children aged 6-14.‌​‍

Answer

Article 19

Answer

Article 21

Answer

Article 24

Question 2

'Sati' — self-immolation of widows — was prohibited by law in Bengal in 1829 by the British governor:‌​‍

Accepted Answer

William Bentinck — Lord William Bentinck banned Sati via Regulation XVII of 1829.‌​‍

Answer

Wellesley

Answer

Sir John Shore

Answer

Warren Hastings

Question 3

Arrhenius equation:‌​‍

Accepted Answer

k = A·e^(-Ea/RT) — Ea = activation energy. ‌​‍ln k = ln A - Ea/RT. Rate doubles for every ~10°C rise (typical Ea).

Answer

k = A+Ea

Answer

k = A·Ea

Answer

k = RT

Question 4

The Indira Gandhi Canal brings water to which desert region?‌​‍

Accepted Answer

Thar Desert (Rajasthan) — The Indira Gandhi Canal (Rajasthan Canal) brings Ravi-Beas water to the Thar Desert in western Rajasthan. ‌​‍It is the longest canal in India.

Answer

Kutch

Answer

Ladakh

Answer

Deccan

Question 5

Synonym of BOISTEROUS:

Accepted Answer

Loud — Noisy, energetic.

Answer

Quiet

Answer

Calm

Answer

Shy

Question 6

Types of WBCs:

Accepted Answer

5 — 5 types: neutrophils, lymphocytes, monocytes, eosinophils, basophils.

Answer

3

Answer

7

Answer

10

Question 7

Who chairs the joint sitting of the houses of Parliament?‌​‍

Accepted Answer

Lok Sabha Speaker — Speaker of Lok Sabha presides over joint sessions (Article 108).‌​‍

Answer

President of India

Answer

Prime Minister

Answer

Supreme Court Chief Justice

Question 8

Genotype vs Phenotype:‌​‍

Accepted Answer

Gene vs appearance — Genetic vs expressed traits.‌​‍

Answer

Same

Answer

Unrelated

Answer

Opposite

Question 9

Which vitamin serves as a precursor for the coenzyme NAD+ (Nicotinamide Adenine Dinucleotide)?

Accepted Answer

C. Vitamin B3 (Niacin) — Niacin, also known as Vitamin B3, is a crucial precursor for the synthesis of nicotinamide adenine dinucleotide (NAD+) and nicotinamide adenine dinucleotide phosphate (NADP+). These coenzymes are vital in numerous metabolic redox reactions, particularly in cellular respiration. The other B vitamins are precursors to different coenzymes.

Answer

A. Vitamin B1 (Thiamine)

Answer

B. Vitamin B2 (Riboflavin)

Answer

D. Vitamin B6 (Pyridoxine)

Question 10

Qutub Minar purpose originally:

Accepted Answer

Both A and B — Minaret of Quwwat-ul-Islam mosque, also victory.

Answer

Mosque minaret

Answer

Victory tower

Answer

Watchtower

HSA Mixed Practice Test #175