VFA Mixed Practice Test #412

Question 1

Length : Meter :: Current : ?‌​‍

Accepted Answer

Ampere — Ampere is the SI unit of electric current.‌​‍

Answer

Degree

Answer

Ohm

Answer

Watt

Question 2

Bone marrow function:

Accepted Answer

Makes blood cells — Haematopoiesis.

Answer

Makes hormones

Answer

Only support

Answer

Filter blood

Question 3

The main function of erythrocytes (red blood cells) in the human body is to:

Accepted Answer

B. Carry oxygen to tissues — Erythrocytes contain hemoglobin, a protein that efficiently binds to oxygen in the lungs and transports it to various tissues and organs throughout the body. Leukocytes fight infection, platelets initiate clotting, and lymphocytes produce antibodies, which are functions of other blood components.

Answer

A. Produce antibodies

Answer

C. Initiate blood clotting

Answer

D. Fight bacterial infections

Question 4

Deepika (oldest running Malayalam):

Accepted Answer

1887 — Nasrani Deepika 1887 — oldest Malayalam paper still running.

Answer

1900

Answer

1920

Answer

1947

Question 5

Operating system roles:

Accepted Answer

Process, memory, file, device management; user interface — Examples: Windows, Linux, macOS, Android, iOS. Kernel is core. Linus Torvalds (1991) — Linux.

Answer

Only UI

Answer

Only memory

Answer

Only files

Question 6

Which of the following best describes Spearman's concept of 'g factor' in intelligence theory?

Accepted Answer

B. There is a single general intelligence factor that influences all cognitive tasks. — Spearman proposed the 'g factor' as a general intelligence that underlies performance across various cognitive tasks. Option B correctly reflects this idea. Option A describes Gardner's theory, while options C and D are unrelated to Spearman's model.

Answer

A. Intelligence is composed of multiple independent abilities, each with equal importance.

Answer

C. Intelligence is determined primarily by environmental factors rather than innate ability.

Answer

D. Intelligence is a fixed trait that cannot be improved through education or training.

Question 7

The process of converting unsaturated oils to saturated fats by adding hydrogen is:‌​‍

Accepted Answer

Hydrogenation — Vegetable oil + H₂ (Ni catalyst) → vanaspati/margarine.‌​‍

Answer

Halogenation

Answer

Hydration

Answer

Hydrolysis

Question 8

What does Howard Gardner's theory of multiple intelligences propose?‌​‍

Accepted Answer

Linguistic, Logical-mathematical, Spatial, Musical, Bodily-kinesthetic, Interpersonal, Intrapersonal, Naturalistic (later Existential) — Frames of Mind (1983). Rejects single 'g'. Different types of smart.‌​‍

Answer

Only IQ

Answer

Only 3

Answer

2

Question 9

Vaccination was pioneered by:‌​‍

Accepted Answer

Jenner — Edward Jenner pioneered vaccination in 1796 using cowpox to prevent smallpox.‌​‍

Answer

Pasteur

Answer

Fleming

Answer

Koch

Question 10

Ayyankali's struggles for the rights of the depressed classes were marked by direct action and unwavering determination. Which of the following best illustrates his strategic approach to challenging caste oppression and securing fundamental rights for the Pulaya community in early 20th century Travancore?

Accepted Answer

B. Organizing the 'Villuvandi Samaram' (Bullock Cart Protest) to assert the right to use public roads, challenging spatial segregation. — Ayyankali's 'Villuvandi Samaram' was a strategic direct action where he publicly rode a bullock cart on roads forbidden to lower castes. This audacious act directly challenged the deeply entrenched caste oppression and spatial segregation, asserting the fundamental right of movement and access to public spaces for the Pulaya community. While Kallumala Samaram targeted oppressive caste markers and SJPS was an organizational platform, the Villuvandi Samaram was a seminal moment that directly confronted caste discrimination at a fundamental level. Demanding representation was a political strategy

Answer

A. Leading the 'Kallumala Samaram' (Stone Necklace Agitation) to protest against oppressive caste markers and demand social dignity.

Answer

C. Founding the 'Sadhu Jana Paripalana Sangham' (SJPS) to advocate for the educational and social advancement of the marginalized.

Answer

D. Demanding representation for the Pulaya community in the Sree Moolam Praja Sabha, Travancore's legislative assembly.

VFA Mixed Practice Test #412