VFA Mixed Practice Test #71

Question 1

Acetylcholine is a:

Accepted Answer

Neurotransmitter — Acetylcholine is a major neurotransmitter at neuromuscular junctions and in autonomic nervous system.

Answer

Hormone

Answer

Digestive enzyme

Answer

Antibody

Question 2

Under the National Health Mission (NHM), which programme focuses on reducing maternal and child mortality?

Accepted Answer

C. Reproductive, Maternal, Newborn, Child, Adolescent Health (RMNCH+A) — The correct answer is C. Reproductive, Maternal, Newborn, Child, Adolescent Health (RMNCH+A). This programme specifically targets maternal and child health, aiming to reduce mortality rates. Options A, B, and D are incorrect as they focus on vector-borne diseases, tuberculosis, and non-communicable diseases, respectively, not maternal and child health.

Answer

A. National Vector Borne Disease Control Programme (NVBDCP)

Answer

B. National Tuberculosis Elimination Programme (NTEP)

Answer

D. National Programme for Prevention and Control of Cancer, Diabetes, Cardiovascular Diseases, and Stroke (NPCDCS)

Question 3

What is the orbital period of a geostationary satellite?‌​‍

Accepted Answer

24 h — ~23h 56m (sidereal day). ‌​‍Altitude ~35,786 km above equator. Orbits in equatorial plane.

Answer

365 d

Answer

1 h

Answer

12 h

Question 4

What did the Miller-Urey experiment (1953) demonstrate?‌​‍

Accepted Answer

Abiotic synthesis of amino acids from inorganic gases — NH₃, CH₄, H₂, H₂O + spark → amino acids. ‌​‍Supports Oparin-Haldane hypothesis of chemical evolution.

Answer

Antibiotics

Answer

DNA structure

Answer

Cloning

Question 5

Neerja Bhanot, posthumously honoured for her bravery, worked as a:

Accepted Answer

Air hostess / flight purser — Neerja Bhanot, senior flight purser on Pan Am 73 (1986), saved passengers before being shot by hijackers.

Answer

Pilot

Answer

Journalist

Answer

Doctor

Question 6

First newspaper in Malayalam:‌​‍

Accepted Answer

Rajyasamacharam — Rajyasamacharam (1847, Hermann Gundert).‌​‍

Answer

Malayala Manorama

Answer

Deepika

Answer

Mathrubhumi

Question 7

Hypertension:

Accepted Answer

High BP — Blood pressure > 140/90.

Answer

Low BP

Answer

High sugar

Answer

High cholesterol

Question 8

A teacher observes that a group of 8th-grade students is highly susceptible to peer pressure regarding academic effort, sometimes underperforming to fit in with a less studious group. To best support these students, the teacher should primarily:

Accepted Answer

C. Foster an inclusive classroom environment that values individual achievement and critical thinking about peer influence. — Adolescents are highly influenced by peers. A supportive teacher should acknowledge this and work to create a positive environment where students feel safe to pursue individual excellence without fear of social repercussions, and also encourage critical thinking about social pressures. Public shaming, isolation, or ignoring the issue are counterproductive and harmful approaches.

Answer

A. Publicly shame the students who are underperforming to motivate them.

Answer

B. Isolate the underperforming students from their peer group.

Answer

D. Ignore the issue, assuming it's a phase they will outgrow naturally.

Question 9

Koodiyattam is oldest surviving:‌​‍

Accepted Answer

Sanskrit theatre — Oldest Sanskrit theatre form — UNESCO intangible heritage.‌​‍

Answer

Folk dance

Answer

Martial art

Answer

Music form

Question 10

Regular handwashing with soap and water is crucial for preventing the spread of many infectious diseases. Which of the following is the primary reason for its effectiveness?

Accepted Answer

B. It physically removes transient microorganisms and dirt from the skin surface. — Regular handwashing with soap and water is highly effective primarily because it physically removes transient microorganisms, dirt, and organic matter from the skin surface. While some soaps have antiseptic properties, the mechanical action of scrubbing and rinsing is the main mechanism for reducing pathogen load. It does not sterilize the skin, moisturize it as a primary function, or boost the immune system topically.

Answer

A. It moisturizes the skin, preventing cracks where germs can hide.

Answer

C. It sterilizes the skin, killing all bacteria and viruses.

Answer

D. It boosts the immune system through topical absorption.

VFA Mixed Practice Test #71