LGS Mixed Practice Test #323

Question 1

Who led the 1921 Malabar Rebellion from the Eranad-Valluvanad area?

Accepted Answer

Ali Musliyar and Variyankunnath Kunhahammad Haji — The 1921 rebellion was led by Ali Musliyar and Variyankunnath Kunhahammad Haji.

Answer

Muhammad Abdurahiman

Answer

P. Krishna Pillai

Answer

Moyyarath Sankaran

Question 2

A newborn baby receives antibodies from its mother through the placenta and breast milk. This type of immunity provides immediate, but temporary, protection against various infections. What is this specific type of immunity called?

Accepted Answer

B. Passive natural immunity — Passive natural immunity occurs when antibodies are transferred naturally from one individual to another, such as from mother to child via the placenta (IgG) and breast milk (IgA). It provides immediate protection but is temporary as the recipient's immune system is not actively producing its own antibodies.

Answer

A. Active natural immunity

Answer

C. Active artificial immunity

Answer

D. Passive artificial immunity

Question 3

Who enunciated 'One Caste, One Religion, One Family, One World and One God'?

Accepted Answer

Sree Narayana Guru — Sree Narayana Guru's famous teaching.

Answer

Vaikunda Swamikal

Answer

Sahodaran Ayyappan

Answer

Brahmananda Sivayogi

Question 4

The dimensional formula of Planck's constant h is:‌​‍

Accepted Answer

[M L^2 T^-1] — E = hν → h = E/ν = [ML²T⁻²]/[T⁻¹] = [ML²T⁻¹]. ‌​‍Same dimensions as angular momentum.

Answer

[M L^-2 T]

Answer

[M L T^-1]

Answer

[M L^2 T^-2]

Question 5

A child receives a vaccination for measles. This type of immunization primarily works by stimulating the body to produce which of the following?

Accepted Answer

C. Antigen-specific antibodies and memory cells — Vaccinations induce active immunity by exposing the body to attenuated or inactivated antigens, prompting the immune system to produce its own specific antibodies and long-lasting memory cells. This prepares the body to mount a rapid and effective response upon future exposure to the actual pathogen. Pre-formed antibodies are passive immunity, and antitoxins are specific to toxins, not viruses.

Answer

A. Pre-formed antibodies directly

Answer

B. Antitoxins to neutralize the virus

Answer

D. Non-specific inflammatory responses

Question 6

The Bourbon dynasty ruled which country before the French Revolution?

Accepted Answer

France — The Bourbon dynasty ruled France from Henry IV (1589) until Louis XVI's overthrow.

Answer

Spain

Answer

Austria

Answer

Portugal

Question 7

The bond in N₂ molecule is a:

Accepted Answer

Triple bond — N≡N has a very strong triple bond (945 kJ/mol).

Answer

Single bond

Answer

Double bond

Answer

Ionic bond

Question 8

INS Arihant is:‌​‍

Accepted Answer

Nuclear submarine — India's first nuclear ballistic missile submarine.‌​‍

Answer

Corvette

Answer

Destroyer

Answer

Aircraft carrier

Question 9

Kerala's Education Index rank in India:

Accepted Answer

Top 3 — Consistently top.

Answer

Top 10

Answer

Middle

Answer

Bottom

Question 10

HIV attacks:‌​‍

Accepted Answer

WBCs (CD4 T cells) — Attacks CD4+ T cells, weakening immune system.‌​‍

Answer

Neurons

Answer

Platelets

Answer

RBCs

LGS Mixed Practice Test #323