KAS Prelims Mixed Practice Test #139

Question 1

Identify correctly matched facts: (i) Congress Socialist Party-Jayaprakash Narayan-1934 (ii) Forward Bloc-Subhas Chandra Bose-1939 (iii) Punjab Naujawan Bharat Sabha-Bhagat Singh-1926 (iv) CPI-M.N. ‌​‍Roy-1920

Accepted Answer

All of the above — All four organization-founder-year triplets are historically correct.‌​‍

Answer

i, iii and iv

Answer

None of the above

Answer

i and iii only

Question 2

Which is NOT a colligative property?‌​‍

Accepted Answer

Viscosity — Colligative properties depend on particle number: ΔTb, ΔTf, osmotic pressure, vapour pressure lowering.‌​‍

Answer

Freezing point depression

Answer

Boiling point elevation

Answer

Osmotic pressure

Question 3

A 35-year-old mother delivers a term baby weighing 2.8 kg via vaginal delivery. The baby is noted to have a single transverse crease across the palm, hypotonia, and a protruding tongue. Which of the following congenital conditions is MOST likely?

Accepted Answer

A. Congenital hypothyroidism — The clinical features (single transverse palmar crease, hypotonia, protruding tongue) are classic for congenital hypothyroidism, which requires immediate thyroid function tests and levothyroxine therapy to prevent intellectual disability. Down syndrome typically presents with upslanting palpebral fissures, flat nasal bridge, and hypotonia but not necessarily a single palmar crease. Turner and Fragile X syndromes have distinct phenotypic features not described here.

Answer

B. Down syndrome

Answer

C. Turner syndrome

Answer

D. Fragile X syndrome

Question 4

Factorial 0!:

Accepted Answer

1 — By convention 1.

Answer

0

Answer

Undefined

Answer

Infinite

Question 5

What was the original name of Swami Dayananda Saraswati?

Accepted Answer

Mulshankar — Born Mulshankar Tiwari (1824).

Answer

Keshab Chandra Sen

Answer

Narendranath Dutta

Answer

Mohan Roy

Question 6

Synonym of ALLEVIATE:

Accepted Answer

Relieve — Alleviate = make less severe, relieve.

Answer

Worsen

Answer

Cause

Answer

Increase

Question 7

The gap between two neurons across which signals pass is called:‌​‍

Accepted Answer

Synapse — At the synapse, neurotransmitters cross the cleft to transmit signals.‌​‍

Answer

Axon hillock

Answer

Node of Ranvier

Answer

Dendrite

Question 8

Telangana state was formed in:

Accepted Answer

2014 — Telangana carved out of Andhra Pradesh on 2 June 2014 — India's 29th state then.

Answer

2000

Answer

2010

Answer

2019

Question 9

Which of the following is a key feature of the urea cycle?

Accepted Answer

D. Converts ammonia to urea for excretion — The urea cycle converts toxic ammonia (from protein metabolism) into urea for renal excretion. It occurs partly in mitochondria and partly in the cytoplasm (A), uses N-acetylglutamate (not biotin) (B), and does not produce ammonia (C).

Answer

A. Occurs entirely in the cytoplasm

Answer

B. Requires biotin as a cofactor

Answer

C. Produces ammonia as a byproduct

Question 10

Photosynthesis produces:‌​‍

Accepted Answer

Glucose and O₂ — 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂ (in presence of sunlight).‌​‍

Answer

CO₂ and water

Answer

Starch only

Answer

Protein and fat

KAS Prelims Mixed Practice Test #139