HSA Mixed Practice Test #650

Question 1

Water absorbed in:‌​‍

Accepted Answer

All — All along, esp. large intestine.‌​‍

Answer

Small intestine

Answer

Large intestine

Answer

Stomach

Question 2

A redox reaction always involves:

Accepted Answer

Both oxidation and reduction occurring together — Electrons lost by one species are gained by another — simultaneous process.

Answer

Oxidation only

Answer

Reduction only

Answer

Neither

Question 3

Which of the following ions is essential for the activation of the enzyme carbonic anhydrase?

Accepted Answer

B. Zinc ion (Zn²⁺) — Carbonic anhydrase requires zinc ions (Zn²⁺) at its active site for catalytic activity, which facilitates the conversion of carbon dioxide and water to carbonic acid. Magnesium, calcium, and iron ions are not involved in this process.

Answer

A. Magnesium ion (Mg²⁺)

Answer

C. Calcium ion (Ca²⁺)

Answer

D. Iron ion (Fe²⁺)

Question 4

The chemical formula of washing soda is:‌​‍

Accepted Answer

Na₂CO₃ — Washing soda = Sodium Carbonate (Na₂CO₃). ‌​‍Baking soda = NaHCO₃. Common salt = NaCl.

Answer

NaCl

Answer

NaHCO₃

Answer

CaCO₃

Question 5

First ICS Indian:

Accepted Answer

Satyendranath Tagore — Satyendranath Tagore (1864).

Answer

Surendranath Banerjee

Answer

Gokhale

Answer

Nehru

Question 6

India's first amphibious aircraft:‌​‍

Accepted Answer

ShinMaywa US-2 — Japan ShinMaywa US-2 planned.‌​‍

Answer

Cancelled

Answer

Being considered

Answer

Already

Question 7

Which event marked the beginning of the Malabar Rebellion (Mappila Uprising) in 1921, often considered a significant chapter in Kerala's freedom struggle against British colonialism and feudal oppression?

Accepted Answer

B. The arrest of Variamkunnath Kunhamed Haji and the subsequent declaration of jihad — The arrest of Variamkunnath Kunhamed Haji on 20 August 1921 triggered a mass uprising in Malabar, symbolizing resistance against British rule and feudal landlord oppression. While the Khilafat Movement provided ideological support, the rebellion's immediate spark was Haji's arrest. The non-cooperation movement and Communist Party formation were later developments.

Answer

A. The Khilafat Movement's alignment with the Indian National Congress

Answer

C. The non-cooperation movement led by Gandhiji in Kerala

Answer

D. The formation of the Communist Party of India in Malabar

Question 8

One word: Story with moral:‌​‍

Accepted Answer

Fable — Fable.‌​‍

Answer

Novel

Answer

Short story

Answer

Drama

Question 9

Which organ produces bile?‌​‍

Accepted Answer

Liver — Liver produces bile. Gallbladder stores bile.‌​‍

Answer

Pancreas

Answer

Stomach

Answer

Gallbladder

Question 10

Kerala Industrial Development Corporation:‌​‍

Accepted Answer

KINFRA — KSIDC primary industrial dev.‌​‍

Answer

KSIDC

Answer

KSFE

Answer

Both

HSA Mixed Practice Test #650