VFA Mixed Practice Test #86

Question 1

What do antihistamines do?‌​‍

Accepted Answer

Relieve allergy symptoms (histamine antagonists) e.g. cetirizine — H1 receptor blockers. ‌​‍Older drugs sedating (diphenhydramine); newer (cetirizine, loratadine) less.

Answer

Pain killers

Answer

Antacids

Answer

Sleep only

Question 2

The National Human Rights Commission (NHRC) cannot inquire into any matter after the expiry of what period from the date on which the act constituting human rights violation is alleged to have been committed?

Accepted Answer

1 year — NHRC's jurisdiction is limited; it cannot inquire into events older than 1 year from the date of the alleged violation.

Answer

6 months

Answer

2 years

Answer

3 years

Question 3

Newton's Second Law of Motion states that force equals:‌​‍

Accepted Answer

mass × acceleration — F = ma; net force = rate of change of momentum.‌​‍

Answer

mass × velocity

Answer

weight × time

Answer

mass × displacement

Question 4

Latent heat of fusion of ice at 0°C is approximately:‌​‍

Accepted Answer

80 cal/g (334 J/g) — Fusion: 80 cal/g. Vaporisation of water at 100°C: 540 cal/g (2260 J/g).‌​‍

Answer

100 cal/g

Answer

1 cal/g

Answer

540 cal/g

Question 5

Earth's diameter approx:

Accepted Answer

12,742 km — 12,742 km average.

Answer

10,000 km

Answer

15,000 km

Answer

8,000 km

Question 6

A newborn baby receives antibodies from its mother through the placenta and breast milk. This type of immunity provides immediate, but temporary, protection against various infections. What is this specific type of immunity called?

Accepted Answer

B. Passive natural immunity — Passive natural immunity occurs when antibodies are transferred naturally from one individual to another, such as from mother to child via the placenta (IgG) and breast milk (IgA). It provides immediate protection but is temporary as the recipient's immune system is not actively producing its own antibodies.

Answer

A. Active natural immunity

Answer

C. Active artificial immunity

Answer

D. Passive artificial immunity

Question 7

The study of fungi is called:‌​‍

Accepted Answer

Mycology — Mycology = study of fungi. Virology = viruses. Ecology = ecosystems.‌​‍

Answer

Ecology

Answer

Virology

Answer

Botany

Question 8

Newton's First Law is also called:‌​‍

Accepted Answer

Law of inertia — First Law = Law of Inertia — body at rest stays at rest.‌​‍

Answer

Law of action-reaction

Answer

Law of acceleration

Answer

Law of gravity

Question 9

Sree Narayana Guru performed Shiva Prathishta (consecration) at:‌​‍

Accepted Answer

Aruvippuram — Aruvippuram Prathishta in 1888 — revolutionary act against caste discrimination.‌​‍

Answer

Varkala

Answer

Sivagiri

Answer

Kalavancode

Question 10

A school counselor notices that a 16-year-old often isolates themselves after conflicts with peers. The counselor suspects this is due to the adolescent's developing sense of self and vulnerability. Which concept best describes this scenario?

Accepted Answer

A. Personal Fable (Elkind) — The Personal Fable (Elkind) refers to adolescents' belief that their experiences and feelings are unique and misunderstood, leading to isolation after peer conflicts. Cognitive dissonance involves mental discomfort from conflicting beliefs, self-efficacy is about confidence in abilities, and learned helplessness is a passive resignation to failure.

Answer

B. Cognitive Dissonance (Festinger)

Answer

C. Self-Efficacy (Bandura)

Answer

D. Learned Helplessness (Seligman)

VFA Mixed Practice Test #86