VFA Mixed Practice Test #339

Question 1

Surface tension has dimensions of:‌​‍

Accepted Answer

N/m — T = force/length or energy/area — N/m or J/m². ‌​‍Due to cohesive forces at interface.

Answer

J

Answer

N/m²

Answer

N·m

Question 2

The COP28 UN Climate Change Conference was hosted by which city?‌​‍

Accepted Answer

Dubai (UAE) — COP28 was held in Dubai, UAE, 30 November – 12 December 2023.‌​‍

Answer

Bengaluru

Answer

Mumbai

Answer

Delhi

Question 3

Phishing is:‌​‍

Accepted Answer

Fraudulent attempt to steal personal data — Phishing = fraudulent emails/websites impersonating trusted entities to steal passwords, card numbers, etc.‌​‍

Answer

A type of fishing

Answer

A programming language

Answer

A network protocol

Question 4

What is the length of the India-Nepal border?‌​‍

Accepted Answer

1,751 km — Open border.

Answer

1,000 km

Answer

2,500 km

Answer

3,000 km

Question 5

Who wrote the book 'India after Gandhi'?‌​‍

Accepted Answer

Ramachandra Guha — Ramachandra Guha's celebrated 2007 history of post-independence India.‌​‍

Answer

Sumit Sarkar

Answer

Ranajit Guha

Answer

Bipan Chandra

Question 6

The 'Normal Lapse Rate' — gradual decrease in atmospheric temperature with altitude — is:‌​‍

Accepted Answer

6.4°C per km — Temperature falls ~6.4°C per km of altitude increase.‌​‍

Answer

1°C per km

Answer

10°C per km

Answer

3.2°C per km

Question 7

Anganwadi centres function under which programme?‌​‍

Accepted Answer

ICDS — ICDS (Integrated Child Development Services) operates through Anganwadi centres.‌​‍

Answer

NRDP

Answer

KUDUMBASHREE

Answer

IRDP

Question 8

Elevated levels of unconjugated (indirect) bilirubin in a patient's blood serum are most commonly indicative of impaired function in which of the following organs?

Accepted Answer

C. Liver — The liver is responsible for conjugating unconjugated bilirubin, making it water-soluble for excretion. Elevated unconjugated bilirubin suggests either excessive bilirubin production (e.g., hemolysis) or, more commonly, impaired hepatic uptake or conjugation. The kidneys, pancreas, and spleen have different primary roles in bilirubin metabolism or excretion.

Answer

A. Kidneys

Answer

B. Pancreas

Answer

D. Spleen

Question 9

Which glycoside is responsible for the sweet taste of Glycyrrhiza glabra (Licorice)?

Accepted Answer

A. Glycyrrhizin — Glycyrrhizin is the major sweet-tasting glycoside in licorice root (Glycyrrhiza glabra), 50 times sweeter than sucrose. Rutin, hesperidin, and quercetin are flavonoids found in other plants but not in licorice.

Answer

B. Rutin

Answer

C. Hesperidin

Answer

D. Quercetin

Question 10

The vital human requirement per day of water intake is approximately:‌​‍

Accepted Answer

2–3 litres — Recommended water intake: ~2–3 L/day including food moisture.‌​‍

Answer

500 ml

Answer

200 ml

Answer

10 litres

VFA Mixed Practice Test #339