LGS Mixed Practice Test #122

Question 1

Aditya-L1 mission is for studying:‌​‍

Accepted Answer

Sun — Aditya-L1 (launched 2023) is India's first solar observatory mission, studying the Sun's corona.‌​‍

Answer

Moon

Answer

Mars

Answer

Jupiter

Question 2

Vitamin C deficiency:‌​‍

Accepted Answer

Scurvy (bleeding gums, slow wound healing) — Water-soluble. ‌​‍Ascorbic acid. Antioxidant, cofactor for collagen. ‌​‍Found in citrus, Indian gooseberry.

Answer

Pellagra

Answer

Beri-beri

Answer

Rickets

Question 3

Sahodara Sangham was founded by:‌​‍

Accepted Answer

Sahodaran Ayyappan — K. Ayyappan founded Sahodara Sangham in 1917 advocating dining inter-caste.‌​‍

Answer

Sree Narayana Guru

Answer

Ayyankali

Answer

Vakkom Moulavi

Question 4

Largest gland:‌​‍

Accepted Answer

Liver — Liver — largest gland.‌​‍

Answer

Adrenal

Answer

Pituitary

Answer

Thyroid

Question 5

Coelenterates (Cnidaria) are characterized by:‌​‍

Accepted Answer

Cnidoblasts (stinging cells) and radial symmetry — Hydra, jellyfish (Aurelia), coral. ‌​‍Two body forms: polyp and medusa. Diploblastic.

Answer

Coelom present

Answer

Vertebrates

Answer

Bilateral symmetry

Question 6

Which of these can be classified as a metalloid?‌​‍

Accepted Answer

Silicon — Metalloids (B, Si, Ge, As, Sb, Te) show intermediate properties between metals and non-metals.‌​‍

Answer

Lead

Answer

Iron

Answer

Carbon

Question 7

Dr. Kalam is popularly known as the:

Accepted Answer

Both Missile Man and People's President — Kalam is known as the 'Missile Man' (for SLV-3, Agni, Prithvi) and 'People's President'.

Answer

Iron Man of India

Answer

Missile Man of India

Answer

People's President

Question 8

Mattancherry Palace (Dutch Palace) is in:

Accepted Answer

Ernakulam (Kochi) — Mattancherry Palace in Kochi — built by Portuguese, renovated by Dutch.

Answer

Thiruvananthapuram

Answer

Thrissur

Answer

Kollam

Question 9

Which of the following was a key reason for the Travancore-Kochi merger in 1949?

Accepted Answer

C. The recommendation of the States Reorganisation Commission (SRC) to merge them for administrative efficiency — The merger of Travancore and Cochin was primarily recommended by the States Reorganisation Commission (SRC) in 1956 to streamline administration and reduce fragmentation. While economic factors existed, the SRC's recommendation was the decisive factor. Distractors A and D reflect less critical factors, and B is incorrect as the merger was post-independence.

Answer

A. Economic disparities between Travancore and Kochi

Answer

B. Pressure from the British colonial administration to consolidate princely states

Answer

D. The demand from the Travancore people for annexation by Cochin

Question 10

The presence of a primary amine group (-NH2) in a drug molecule is often a site for which type of metabolic reaction in the body?

Accepted Answer

D. N-acetylation — Primary amine groups are common substrates for N-acetylation, a Phase II metabolic reaction. In this process, an acetyl group from acetyl-CoA is transferred to the nitrogen atom of the amine, forming an amide. This reaction is important for the metabolism of many drugs like isoniazid and sulfonamides. Other reactions typically act on different functional groups.

Answer

A. Glucuronidation

Answer

B. Reduction

Answer

C. Hydrolysis

LGS Mixed Practice Test #122