HSA Mixed Practice Test #16

Question 1

mRNA codon — start codon:‌​‍

Accepted Answer

AUG (Methionine) — Stop codons: UAA, UAG, UGA (amber, ochre, opal). ‌​‍Genetic code is degenerate, non-overlapping, nearly universal.

Answer

UGA

Answer

UAG

Answer

UAA

Question 2

Servants of India Society by:

Accepted Answer

Gokhale — Gopal Krishna Gokhale (1905).

Answer

Tilak

Answer

Ranade

Answer

Agarkar

Question 3

President's Rule maximum duration:

Accepted Answer

3 years — Up to 3 years with repeated approvals (with conditions).

Answer

6 months

Answer

1 year

Answer

2 years

Question 4

The modern periodic table has how many periods?‌​‍

Accepted Answer

7 — 7 horizontal rows (periods) in the modern periodic table.‌​‍

Answer

8

Answer

18

Answer

5

Question 5

Total districts in Kerala:‌​‍

Accepted Answer

14 — Kerala has 14 districts.‌​‍

Answer

12

Answer

13

Answer

15

Question 6

The process of fertilisation in humans normally occurs in the:‌​‍

Accepted Answer

Fallopian tube (oviduct) — Sperm meets egg in the ampulla of the fallopian tube.‌​‍

Answer

Vagina

Answer

Ovary

Answer

Uterus

Question 7

Highest waterfall in India:‌​‍

Accepted Answer

Kunchikal Falls — Kunchikal Falls (455m) in Karnataka — highest in India.‌​‍

Answer

Dudhsagar Falls

Answer

Athirappilly Falls

Answer

Jog Falls

Question 8

The Western Ghats and the Eastern Ghats are separated by a gap known as the Palghat Gap. This gap is significant for which of the following reasons?

Accepted Answer

C. It is one of the major passes used for trade and transport between Kerala and Tamil Nadu. — The Palghat Gap is a low mountain pass that allows for the movement of wildlife, especially elephants, between the Western and Eastern Ghats. It is not a monsoon entry point, nor is it a major trade route like the mountain passes (e.g., Khyber Pass), and it does not mark the boundary between the Deccan Plateau and the Northern Plains.

Answer

A. It is the only region where the monsoon winds enter India.

Answer

B. It facilitates the movement of wildlife between the Western and Eastern Ghats.

Answer

D. It marks the boundary between the Deccan Plateau and the Northern Plains.

Question 9

The device that converts AC to DC is:‌​‍

Accepted Answer

Rectifier — Rectifiers (half-wave/full-wave/bridge) use diodes to convert AC → DC.‌​‍

Answer

Amplifier

Answer

Transformer

Answer

Oscillator

Question 10

The Ring of Fire is associated with:‌​‍

Accepted Answer

Pacific Ocean — The Ring of Fire is a zone of frequent earthquakes and volcanic eruptions around the Pacific Ocean.‌​‍

Answer

Atlantic Ocean

Answer

Indian Ocean

Answer

Arctic Ocean

HSA Mixed Practice Test #16