VFA Mixed Practice Test #66

Question 1

A nuclear family consists of:‌​‍

Accepted Answer

Parents + unmarried children — Trend in urban India. Reasons: migration, housing cost, women's work. Traditional joint family still in rural areas.

Answer

Joint

Answer

Only parents

Answer

Only children

Question 2

When a patient experiences pain from an injury, the nerve impulses travel along sensory neurons to the central nervous system. Which part of the brain is primarily responsible for the conscious perception and interpretation of this pain?

Accepted Answer

C. Thalamus and Cerebral Cortex — Sensory information, including pain signals, is first relayed to the thalamus, which acts as a major relay station. From the thalamus, these signals are then projected to various areas of the cerebral cortex, particularly the somatosensory cortex, where the pain is consciously perceived, localized, and interpreted.

Answer

A. Cerebellum

Answer

B. Brainstem

Answer

D. Hypothalamus

Question 3

During a febrile illness, a patient's body temperature rises to 40°C. How does this elevated temperature primarily affect the activity of most human enzymes?

Accepted Answer

B. It initially increases enzyme activity but prolonged elevation can cause denaturation. — Enzyme activity generally increases with temperature up to an optimal point, which for most human enzymes is around 37°C. A moderate increase to 40°C would initially enhance their catalytic rate. However, prolonged or excessively high temperatures (typically above 40-42°C) can cause irreversible denaturation of the enzyme's protein structure, leading to a loss of function.

Answer

A. It irreversibly denatures the enzymes, rendering them inactive.

Answer

C. It decreases enzyme activity by altering the pH of the cellular environment.

Answer

D. It has no significant effect on enzyme activity within a narrow range.

Question 4

Cardamom Hills are in which district?‌​‍

Accepted Answer

Idukki — The Cardamom Hills are in Idukki district — India's major cardamom growing region.‌​‍

Answer

Wayanad

Answer

Palakkad

Answer

Thrissur

Question 5

Kudumbashree mission was launched on 17 May 1998 by then PM:‌​‍

Accepted Answer

Atal Bihari Vajpayee — Atal Bihari Vajpayee inaugurated Kudumbashree on 17 May 1998.‌​‍

Answer

H.D. Deve Gowda

Answer

P.V. Narasimha Rao

Answer

Manmohan Singh

Question 6

A newly appointed manager faces a challenging situation where team morale is low due to a recent company policy change. Instead of strictly adhering to existing protocols, the manager decides to organize an open forum for discussion, gather feedback, and then propose a modified implementation plan to senior management that addresses team concerns while still meeting company objectives. This approach primarily exemplifies which aspect of Robert Sternberg's Triarchic Theory of Intelligence?

Accepted Answer

C. Practical (contextual) intelligence. — Practical (contextual) intelligence, as per Sternberg, involves the ability to adapt to, shape, or select real-world environments to achieve one's goals. The manager's action of adapting to the team's needs, shaping the environment through discussion, and proposing a modified plan demonstrates a strong application of practical intelligence to a real-world problem, rather than just analytical processing or pure novelty generation.

Answer

A. Componential intelligence.

Answer

B. Experiential intelligence.

Answer

D. Analytical intelligence.

Question 7

Which part of the neuron is responsible for transmitting nerve impulses *away* from the cell body towards other neurons or effector cells?

Accepted Answer

B. Axon — The axon is the elongated projection of a neuron that conducts electrical impulses away from the cell body (soma) to other cells. Dendrites typically receive incoming signals, while the soma contains the nucleus and integrates signals. The myelin sheath insulates the axon to speed up impulse transmission, but it does not transmit the impulse itself.

Answer

A. Dendrite

Answer

C. Soma

Answer

D. Myelin Sheath

Question 8

The archaeological report Cunningham's ASI (1861) began under Viceroy:‌​‍

Accepted Answer

Canning — Archaeological Survey of India founded 1861 with Alexander Cunningham as first DG. ‌​‍Re-organised under Curzon (Marshall as DG, 1902) — discovered Harappan sites 1920s.

Answer

Hastings

Answer

Dalhousie

Answer

Curzon

Question 9

Brownian motion refers to:‌​‍

Accepted Answer

Random zigzag motion of colloidal particles in fluid — Observed by Robert Brown (1827); explained by Einstein via molecular collisions.‌​‍

Answer

Rotation of Earth

Answer

Orderly vibration

Answer

Tide movement

Question 10

Net force on a 50 kg rider with acceleration 5 m/s²:

Accepted Answer

250 N — F = m × a = 50 × 5 = 250 N.

Answer

25 N

Answer

125 N

Answer

1250 N

VFA Mixed Practice Test #66