HSA Mixed Practice Test #577

Question 1

Hybridization in graphite:‌​‍

Accepted Answer

sp² — Planar hexagonal layers; each C sp² bonded to 3 Cs. ‌​‍Remaining p-electron delocalised → electrical conductivity along layer.

Answer

sp³

Answer

sp³d

Answer

sp

Question 2

Kerala Ombudsman for local bodies:‌​‍

Accepted Answer

Existed under Act 1999 — Kerala Local Fund Audit Act and Ombudsman.‌​‍

Answer

No

Answer

Private

Answer

Not yet

Question 3

A primary school English teacher is introducing new action verbs like "jump," "run," and "sit." To ensure maximum comprehension and retention without relying heavily on translation, which language teaching method would be most effective for this lesson?

Accepted Answer

C. Total Physical Response (TPR) — Total Physical Response (TPR) is highly effective for teaching action verbs and commands, especially to beginners, as it links language directly to physical actions. This method reduces anxiety and promotes rapid comprehension and retention without relying on explicit translation, making it ideal for the given scenario.

Answer

A. Grammar-Translation Method

Answer

B. Audio-Lingual Method

Answer

D. Communicative Language Teaching (CLT)

Question 4

Down's syndrome is due to:

Accepted Answer

Trisomy 21 — Extra chromosome 21. Features: intellectual disability, characteristic facial features. Risk rises with maternal age.

Answer

XXY

Answer

Turner (XO)

Answer

X-linked

Question 5

Implantation of embryo occurs at:‌​‍

Accepted Answer

6-7 days after fertilisation — Blastocyst implants in endometrium. ‌​‍Pregnancy hormone hCG (detected in pregnancy test kits) starts production.

Answer

After 1 month

Answer

Immediately

Answer

Day 1

Question 6

NSS (Nair Service Society):

Accepted Answer

1914 — 1914 by Mannathu Padmanabhan.

Answer

1947

Answer

1920

Answer

1900

Question 7

Petroleum is separated into fractions based on:‌​‍

Accepted Answer

Different boiling points — Petroleum fractions: gasoline (low BP), naphtha, kerosene, diesel, fuel oil, bitumen (high BP).‌​‍

Answer

Density only

Answer

Colour

Answer

Viscosity

Question 8

The total number of members in the original Constituent Assembly was:‌​‍

Accepted Answer

389 — Initially 389 (later reduced to 299 after Partition) — 296 British India + 93 Princely States.‌​‍

Answer

552

Answer

446

Answer

299

Question 9

Which of the following statements is TRUE regarding the Anti-Defection Law?

Accepted Answer

The law applies to both Parliament and State Legislatures — The Anti-Defection Law applies to both Parliament (Lok Sabha and Rajya Sabha) and State Legislatures.

Answer

The law applies only to Lok Sabha members

Answer

The law applies only to Rajya Sabha members

Answer

The law does not apply to nominated members

Question 10

The scientific study of soil is known as:‌​‍

Accepted Answer

Pedology — Pedology is the branch of soil science dealing with formation, morphology and classification.‌​‍

Answer

Psychology

Answer

Petrology

Answer

Palaeontology

HSA Mixed Practice Test #577