VFA Mixed Practice Test #286

Question 1

The first Chief Minister of Kerala, after state formation, was:

Accepted Answer

E.M.S. Namboodiripad — EMS formed the first elected Kerala government in 1957 after the 1956 state formation.

Answer

R. Sankar

Answer

Pattom Thanu Pillai

Answer

C. Achutha Menon

Question 2

An unknown element 'M' exhibits the following characteristic properties: it readily forms compounds with variable oxidation states, its ions often produce intensely coloured solutions in water, and it is frequently employed as a catalyst in various chemical reactions. Based on these observations, to which block of the modern periodic table does element 'M' most likely belong?

Accepted Answer

C. d-block — The described properties—variable oxidation states, formation of intensely coloured ions, and catalytic activity—are hallmarks of transition metals. Transition metals occupy the d-block of the periodic table, where their partially filled d-orbitals allow for these characteristics. s-block elements typically have fixed oxidation states and form colourless ions, while p-block and f-block elements do not consistently exhibit this specific combination of properties to the same extent as d-block elements.

Answer

A. s-block

Answer

B. p-block

Answer

D. f-block

Question 3

Who started Sanskrit Educational Centre called Tatva Prakasika Ashram at Calicut?

Accepted Answer

Vagbhatananda — Vagbhatananda — Atmavidya Sangham and Tatva Prakasika Ashram (1917).

Answer

Brahmananda Swami

Answer

V.T. Bhattathiripad

Answer

K.P. Karuppan

Question 4

Dispersion in prism occurs because:‌​‍

Accepted Answer

Different wavelengths have different refractive indices — Violet bends most (highest n), red least. ‌​‍Forms spectrum. Rainbows: droplet dispersion + internal reflection.

Answer

Prism refracts light

Answer

Colour changes

Answer

Interference

Question 5

Kirchhoff's current law states that:‌​‍

Accepted Answer

Sum of currents entering a junction = sum leaving — KCL: conservation of charge at a node.‌​‍

Answer

Voltage drops sum to zero

Answer

Power is conserved

Answer

V = IR

Question 6

ABA (abscisic acid) functions:‌​‍

Accepted Answer

Stress hormone — induces dormancy, closes stomata — Also called stress hormone. Antagonist to gibberellin.‌​‍

Answer

Cell division

Answer

Flowering

Answer

Promotes growth

Question 7

A teacher observes that a student consistently performs well across subjects like mathematics, literature, and science, easily grasping new concepts in each domain. According to Spearman's Two-Factor Theory of Intelligence, this student likely possesses a high degree of:

Accepted Answer

B. General intelligence (G-factor). — Spearman's Two-Factor Theory posits a general intelligence (G-factor) that underlies all cognitive abilities, explaining why individuals might perform consistently well across various tasks. While specific abilities (S-factors) exist, the consistent high performance across diverse subjects points to a strong G-factor. Gardner's theory suggests distinct intelligences, and Sternberg's contextual intelligence relates to practical adaptation, neither directly explaining a unified high performance across academic subjects in Spearman's terms.

Answer

A. Specific abilities (S-factors) in multiple domains.

Answer

C. Multiple intelligences as proposed by Gardner.

Answer

D. Contextual intelligence as described by Sternberg.

Question 8

The term 'light year' is a unit of:

Accepted Answer

distance — 1 light-year ≈ 9.46 × 10¹² km — a unit of astronomical distance.

Answer

intensity of light

Answer

speed of light

Answer

time

Question 9

Blood groups were discovered by:‌​‍

Accepted Answer

Karl Landsteiner — Karl Landsteiner discovered ABO blood groups in 1901. Nobel Prize 1930.‌​‍

Answer

Pasteur

Answer

Fleming

Answer

Jenner

Question 10

First elected Communist government in the world was formed in:‌​‍

Accepted Answer

Kerala 1957 — E. ‌​‍M. S. ‌​‍Namboodiripad-led CPI government in Kerala (1957) was the first democratically elected Communist government in the world.

Answer

China 1949

Answer

Russia

Answer

West Bengal 1977

VFA Mixed Practice Test #286