HSA Mixed Practice Test #225

Question 1

Tipu Sultan invaded Malabar in:‌​‍

Accepted Answer

1766 — Tipu Sultan's forces invaded Malabar from 1766 onwards. ‌​‍British took over after Treaty of Seringapatam (1792).

Answer

1780

Answer

1792

Answer

1800

Question 2

Before beginning a new unit on the photosynthesis process, a biology teacher starts the lesson by discussing the general concept of how living organisms obtain energy and grow, relating it to students' existing knowledge of plant and animal life cycles. This instructional technique is an example of applying which of Ausubel's key concepts?

Accepted Answer

B. Advance organizers — Advance organizers are introductory statements or materials presented before new learning material to provide a conceptual framework and help students connect new information to their existing cognitive structures. This facilitates meaningful learning by making the new content more relatable and organized. Reciprocal teaching is a reading comprehension strategy, guided discovery relates to Bruner, and social constructivism is a broader theory.

Answer

A. Reciprocal teaching

Answer

C. Guided discovery

Answer

D. Social constructivism

Question 3

The online consultation programme of Kerala Women & Child Department launched in February 2021:‌​‍

Accepted Answer

Bhoomika — 'Bhoomika' offers counselling, legal aid and police assistance online.‌​‍

Answer

Aswasanidhi

Answer

One Stop Centres

Answer

Kathorth

Question 4

Odd one: Nile, Amazon, Everest, Ganga‌​‍

Accepted Answer

Everest — Everest is a mountain. Others are rivers.‌​‍

Answer

Nile

Answer

Amazon

Answer

Ganga

Question 5

p-n junction diode conducts in:‌​‍

Accepted Answer

Forward bias only — Depletion region shrinks in forward bias. ‌​‍Used as rectifier. Reverse breakdown (Zener) at high reverse voltage.

Answer

Never

Answer

Reverse bias only

Answer

Both directions equally

Question 6

The Todar Mal system of land revenue (Akbar's time) was called:‌​‍

Accepted Answer

Dahsala (10-year average) or Bandobast system — Raja Todar Mal — Akbar's finance minister. ‌​‍10-year yield/price averages to set revenue. Productivity-based classification of land.

Answer

Zamindari

Answer

Mahalwari

Answer

Ryotwari

Question 7

Absolute zero is:

Accepted Answer

-273.15°C — -273.15°C or 0 Kelvin — lowest possible temperature.

Answer

-100°C

Answer

-373.15°C

Answer

0°C

Question 8

A new experimental drug is found to bind reversibly to the active site of an enzyme, preventing the substrate from binding. This inhibitory effect can be overcome by significantly increasing the concentration of the natural substrate. What type of enzyme inhibition is this drug exhibiting?

Accepted Answer

C. Competitive inhibition — This describes competitive inhibition, where the inhibitor competes with the substrate for the enzyme's active site. Increasing substrate concentration can outcompete the inhibitor. Non-competitive inhibitors bind to an allosteric site, uncompetitive inhibitors bind only to the enzyme-substrate complex, and irreversible inhibitors form a permanent bond.

Answer

A. Non-competitive inhibition

Answer

B. Uncompetitive inhibition

Answer

D. Irreversible inhibition

Question 9

K.G. Balakrishnan — CJI from Kerala:‌​‍

Accepted Answer

Also President NHRC — All true.‌​‍

Answer

First Dalit CJI

Answer

Both

Answer

First Kerala CJI

Question 10

The problem was ___ difficult that I could not solve it.‌​‍

Accepted Answer

so — 'so + adjective + that' construction — 'so difficult that…'.‌​‍

Answer

much

Answer

very

Answer

too

HSA Mixed Practice Test #225