VFA Mixed Practice Test #676

Question 1

In which year was the National Green Tribunal (NGT) established?

Accepted Answer

2010 — The National Green Tribunal was established by the National Green Tribunal Act, 2010.

Answer

2005

Answer

2007

Answer

2013

Question 2

Bladder capacity:‌​‍

Accepted Answer

500 ml — About 400-600 ml.‌​‍

Answer

5 L

Answer

100 ml

Answer

1 L

Question 3

DNA is a:‌​‍

Accepted Answer

Polymer of nucleotides (deoxyribose + phosphate + A/T/G/C) — Double helix (Watson-Crick, 1953). ‌​‍A=T, G≡C (base pairing). Antiparallel strands (5' to 3').

Answer

Polysaccharide

Answer

Polymer of amino acids

Answer

Lipid

Question 4

Kerala's first medical college:‌​‍

Accepted Answer

TMC Thiruvananthapuram — Govt Medical College Thiruvananthapuram (1951).‌​‍

Answer

Kozhikode

Answer

Alappuzha

Answer

Kottayam

Question 5

Which of the following types of anemia is characterized by a deficiency in intrinsic factor, leading to impaired absorption of Vitamin B12?

Accepted Answer

C. Pernicious anemia — Pernicious anemia is an autoimmune condition where the stomach lining fails to produce intrinsic factor, a protein essential for the absorption of Vitamin B12 in the small intestine. This leads to Vitamin B12 deficiency, which results in megaloblastic anemia (large, immature red blood cells). Iron deficiency, aplastic, and thalassemia have different causes.

Answer

A. Iron deficiency anemia

Answer

B. Aplastic anemia

Answer

D. Thalassemia

Question 6

In a nuclear reactor, what is the primary purpose of the moderator?

Accepted Answer

B. To slow down fast neutrons to thermal energies for sustained chain reactions. — The moderator in a nuclear reactor slows down fast neutrons (released during fission) to thermal energies, which increases the likelihood of further fission reactions and sustains the chain reaction. Option A describes the role of control rods, not the moderator. Option C refers to shielding, typically handled by the reactor's biological shield. Option D pertains to energy conversion, which is the function of the turbine and generator system.

Answer

A. To absorb excess neutrons and control the reaction rate.

Answer

C. To shield workers from radiation emitted during fission.

Answer

D. To convert thermal energy into electrical energy via turbines.

Question 7

BHIM, the UPI payment app, is developed by:

Accepted Answer

NPCI — BHIM (Bharat Interface for Money) from NPCI enables UPI payments.

Answer

RBI

Answer

SBI

Answer

TCS

Question 8

A teacher begins a lesson on ecosystems by showing a short, intriguing video about a natural disaster's impact on a local forest and asking students to share their initial thoughts and questions. Which phase of the 5E learning model is the teacher primarily addressing?

Accepted Answer

C. Engage — The 'Engage' phase aims to capture students' attention, activate prior knowledge, and spark curiosity, setting the context for learning. Showing an intriguing video and asking for initial thoughts perfectly serves this purpose by creating interest and getting students mentally involved before diving deeper into the topic. The other phases involve deeper investigation, formal concept introduction, or assessment.

Answer

A. Explore

Answer

B. Explain

Answer

D. Evaluate

Question 9

Months with 31 days:‌​‍

Accepted Answer

7 — 7 months: Jan, Mar, May, Jul, Aug, Oct, Dec.‌​‍

Answer

5

Answer

6

Answer

8

Question 10

The winner of Copa America Football Competition 2015 is:‌​‍

Accepted Answer

Chile — Chile won 2015 Copa America (their first), defeating Argentina on penalties.‌​‍

Answer

Argentina

Answer

Brazil

Answer

France

VFA Mixed Practice Test #676