VFA Mixed Practice Test #327

Question 1

Who was called the 'Lincoln' of Kerala for uplifting backward communities?‌​‍

Accepted Answer

Pandit Karuppan — Pandit K.P. Karuppan — 'Lincoln of Kerala' for his work for depressed classes.‌​‍

Answer

Sahodaran Ayyappan

Answer

Brahmananda Swami Sivayogi

Answer

Velayudha Panikkar

Question 2

India's deep-sea mission:‌​‍

Accepted Answer

Matsya 6000 — Matsya 6000 manned submersible.‌​‍

Answer

MATSYAANGANA

Answer

Samudrayaan

Answer

All names used

Question 3

Spanish Civil War (1936-39) ended with:‌​‍

Accepted Answer

Franco's Nationalist victory (dictatorship till 1975) — Francisco Franco's fascists (backed by Hitler, Mussolini) defeated Republic. ‌​‍Franco ruled Spain till his death 1975.

Answer

Republican victory

Answer

Communist state

Answer

Monarchy restoration

Question 4

Hybridization in graphite:

Accepted Answer

sp² — Planar hexagonal layers; each C sp² bonded to 3 Cs. Remaining p-electron delocalised → electrical conductivity along layer.

Answer

sp

Answer

sp³

Answer

sp³d

Question 5

The presence of which functional group in a drug molecule typically increases its water solubility?

Accepted Answer

A. Hydroxyl group (-OH) — The hydroxyl group (-OH) increases water solubility by forming hydrogen bonds with water molecules. Methyl groups are hydrophobic, while halogen and nitro groups generally do not enhance water solubility to the same extent.

Answer

B. Methyl group (-CH3)

Answer

C. Halogen group (-Cl, -Br)

Answer

D. Nitro group (-NO2)

Question 6

Chordates include:

Accepted Answer

Fish, amphibians, reptiles, birds, mammals — All vertebrates are chordates.

Answer

Only vertebrates

Answer

Only mammals

Answer

Birds

Question 7

Latent heat of vaporisation of water is approximately:‌​‍

Accepted Answer

2260 kJ/kg — Latent heat of vaporisation of water ≈ 2260 kJ/kg (540 cal/g).‌​‍

Answer

334 kJ/kg

Answer

80 cal/g

Answer

4.186 J/g·K

Question 8

The chemical name of washing soda is:‌​‍

Accepted Answer

Sodium carbonate decahydrate — Washing soda: Na₂CO₃·10H₂O.‌​‍

Answer

Sodium hydroxide

Answer

Sodium sulphate

Answer

Sodium bicarbonate

Question 9

The founder of N.S.S. (Nair Service Society) in Kerala was:

Accepted Answer

Mannathu Padmanabhan — Mannathu Padmanabhan founded NSS in 1914.

Answer

Sree Narayana Guru

Answer

Vagbhatananda

Answer

Ayyankali

Question 10

The three pillars of the mass media discussed in the Class 8 SS text are:‌​‍

Accepted Answer

Print, electronic, new media (internet) — Mass media is classified into print, electronic (radio/TV) and new/digital media.‌​‍

Answer

TV, cinema, theatre

Answer

Print, radio, television

Answer

Newspaper, book, magazine

VFA Mixed Practice Test #327