HSA Mixed Practice Test #408

Question 1

Earth's age is approximately:

Accepted Answer

~4.54 billion years — Dated via radiometric dating of meteorites and oldest rocks. Universe: ~13.8 billion years (Big Bang).

Answer

1 million

Answer

100 million

Answer

13.8 billion (universe)

Question 2

Restriction enzymes:‌​‍

Accepted Answer

Cut DNA at specific recognition sequences — First isolated from bacteria (defense against phages). ‌​‍E.g., EcoRI recognises GAATTC. Named molecular scissors; basis of genetic engineering.

Answer

Replicate

Answer

Join DNA

Answer

Translate

Question 3

The Mughal Empire was founded by Babur after the First Battle of Panipat in:‌​‍

Accepted Answer

1526 — Babur defeated Ibrahim Lodi at the First Battle of Panipat on 21 April 1526, founding the Mughal Empire in India.‌​‍

Answer

1498

Answer

1556

Answer

1600

Question 4

Which river forms the boundary between India and Nepal for a long stretch?

Accepted Answer

Kali (Mahakali) — The Kali (Mahakali) River forms a significant part of the India-Nepal border in Uttarakhand.

Answer

Gandak

Answer

Kosi

Answer

Rapti

Question 5

The Cabinet Mission came to India in:‌​‍

Accepted Answer

1946 — The Cabinet Mission (March 1946) proposed a united India with a weak centre and grouping of provinces.‌​‍

Answer

1942

Answer

1944

Answer

1947

Question 6

What is the primary advantage of microteaching for a prospective teacher?

Accepted Answer

B. It provides immediate and constructive feedback on specific teaching skills. — Microteaching is designed to provide a controlled environment for practicing specific teaching skills, with immediate and constructive feedback being its most significant advantage for professional development. It focuses on one skill at a time, not guaranteeing mastery in one session, nor does it eliminate lesson planning or involve large groups.

Answer

A. It allows practice with a large group of students.

Answer

C. It reduces the need for lesson planning.

Answer

D. It guarantees mastery of all teaching skills in one session.

Question 7

Persian Gulf borders:‌​‍

Accepted Answer

Iran, Saudi, UAE, Qatar, Bahrain, Kuwait, Iraq, Oman — 8 countries.‌​‍

Answer

3 countries

Answer

Only Iran

Answer

5

Question 8

V. T. Bhattathiripad is famous for:‌​‍

Accepted Answer

Namboothiri social reform — V. ‌​‍T. Bhattathiripad led the Yogakshema Sabha reform movement within the Namboothiri Brahmin community.

Answer

Temple entry movement

Answer

Anti-untouchability

Answer

Tribal welfare

Question 9

The passive form of 'This shop sells all the vegetables':

Accepted Answer

All the vegetables are sold by this shop — Active 'shop sells' → Passive 'are sold by this shop'.

Answer

All the vegetables are sold in this shop

Answer

All the vegetables have been sold by this shop

Answer

All the vegetables are being sold by this shop

Question 10

Residuary powers in India (matters not listed) rest with:‌​‍

Accepted Answer

Centre (Union) — Article 248: Residuary powers with Parliament — reflects unitary bias. ‌​‍(In US, residuary powers with states.)

Answer

States

Answer

Concurrent list

Answer

Local bodies

HSA Mixed Practice Test #408