VFA Mixed Practice Test #822

Question 1

Haloalkanes on reaction with alcoholic KOH give:‌​‍

Accepted Answer

Alkene (E2 elimination) — Aqueous KOH gives alcohol (SN2). ‌​‍Saytzeff rule: more substituted alkene is major product.

Answer

Ether

Answer

Alcohol

Answer

Aldehyde

Question 2

Total internal reflection requires:‌​‍

Accepted Answer

Light going from denser to rarer at angle > critical angle — Used in optical fibres, prisms. Diamond critical angle ~24.4° → brilliance.‌​‍

Answer

Light going from rarer to denser

Answer

Mirror

Answer

Perpendicular incidence

Question 3

A firewall is used for:‌​‍

Accepted Answer

Network security — A firewall monitors and controls network traffic, blocking unauthorized access.‌​‍

Answer

Heating

Answer

Data storage

Answer

Printing

Question 4

LS min age:‌​‍

Accepted Answer

25 — 25 years. RS = 30.‌​‍

Answer

18

Answer

21

Answer

30

Question 5

Nvidia market cap milestone 2024:‌​‍

Accepted Answer

3 trillion surpass — Crossed $3 trillion briefly.‌​‍

Answer

1 trillion

Answer

Declined

Answer

Only record

Question 6

Baking soda:‌​‍

Accepted Answer

NaHCO₃ — Sodium Bicarbonate.‌​‍

Answer

NaCl

Answer

Na₂CO₃

Answer

CaCO₃

Question 7

Onam is celebrated in the month of:‌​‍

Accepted Answer

Chingam — Onam is in Chingam (August-September).‌​‍

Answer

Medam

Answer

Karkidakam

Answer

Thulam

Question 8

The amount of sun's energy reaching Earth's surface is called:

Accepted Answer

Insolation — Insolation = Incoming Solar Radiation striking Earth's surface.

Answer

Radiation

Answer

Convection

Answer

Advection

Question 9

According to the Right to Education (RTE) Act, 2009, which of the following practices is strictly prohibited in schools for children undergoing elementary education?

Accepted Answer

B. Subjecting a child to physical punishment or mental harassment. — Section 17 of the RTE Act, 2009, explicitly prohibits physical punishment and mental harassment of children in schools. While charging capitation fees (Section 13) is also prohibited by the Act, it pertains to the admission process rather than practices within the school environment concerning student discipline and treatment. Assigning minimal homework or conducting assessments are not strictly prohibited by the Act, although CCE is promoted and detention is prohibited.

Answer

A. Assigning homework to students in Class 1 and 2.

Answer

C. Conducting annual examinations for all classes to assess learning outcomes.

Answer

D. Charging capitation fees for admission to any class.

Question 10

Kavalam Narayana Panicker:

Accepted Answer

Theatre — Theatre doyen.

Answer

Cinema

Answer

Novel

Answer

Music

VFA Mixed Practice Test #822