HSA Mixed Practice Test #981

Question 1

Hardy-Weinberg principle requires:‌​‍

Accepted Answer

No migration, no mutation, large random-mating population, no selection, no drift — Allele frequencies stay constant. ‌​‍p² + 2pq + q² = 1. Deviations indicate evolution.

Answer

Small population

Answer

Migration

Answer

Mutation

Question 2

'Faux pas' means:‌​‍

Accepted Answer

Social blunder — French-origin — embarrassing social mistake.‌​‍

Answer

Fake pass

Answer

Dance step

Answer

Greeting

Question 3

The part of the brain that controls balance and coordination is:‌​‍

Accepted Answer

Cerebellum — Cerebellum fine-tunes movement and maintains posture/balance.‌​‍

Answer

Cerebrum

Answer

Medulla

Answer

Hypothalamus

Question 4

Glycolysis occurs in:‌​‍

Accepted Answer

Cytoplasm — Cytoplasm — common to aerobic and anaerobic.‌​‍

Answer

Chloroplast

Answer

Mitochondria

Answer

Nucleus

Question 5

Narmada river flows:

Accepted Answer

East to West — Narmada flows westward into the Arabian Sea through a rift valley.

Answer

West to East

Answer

North to South

Answer

South to North

Question 6

KITE Kerala:

Accepted Answer

Infrastructure for IT in Education — Govt edu-tech agency.

Answer

Kerala IT Enterprise

Answer

Both

Answer

None

Question 7

Which gas is evolved when dilute HCl reacts with zinc?‌​‍

Accepted Answer

H₂ — Zn + 2HCl → ZnCl₂ + H₂↑.‌​‍

Answer

Cl₂

Answer

O₂

Answer

CO₂

Question 8

The organ responsible for the production of bile, detoxification of metabolic waste, and synthesis of various plasma proteins is the:

Accepted Answer

C. Liver — The liver is a vital organ performing numerous metabolic functions including bile production for fat digestion, detoxification of harmful substances, and synthesis of essential plasma proteins. The pancreas produces digestive enzymes and hormones, the gallbladder stores bile, and the spleen filters blood and is involved in immune responses.

Answer

A. Spleen

Answer

B. Pancreas

Answer

D. Gallbladder

Question 9

Panchayat election held every:‌​‍

Accepted Answer

5 years — Every 5 years.‌​‍

Answer

6 years

Answer

4 years

Answer

3 years

Question 10

Which preposition: 'She is married ___ a doctor.'

Accepted Answer

to — 'Married to' someone.

Answer

with

Answer

in

Answer

on

HSA Mixed Practice Test #981