HSA Mixed Practice Test #178

Question 1

The working principle of Optical Fibre Cable (OFC) is:‌​‍

Accepted Answer

Total internal reflection — Light signals travel through fibre via total internal reflection.‌​‍

Answer

Scattering

Answer

Interference

Answer

Dispersion

Question 2

The National Teacher's Award in India is conferred on selected teachers annually by the President of India. A key objective behind instituting this award is to:

Accepted Answer

C. Celebrate the unique contribution of teachers and to enhance their public recognition and respect. — The primary objective of the National Teacher's Award is to acknowledge and celebrate the invaluable contributions of teachers to the nation's education system. It aims to elevate the status of teachers and inspire them to excel in their profession, rather than focusing on financial incentives or curriculum standardization.

Answer

A. Provide financial incentives solely to teachers working in remote rural areas.

Answer

B. Discourage teachers from pursuing higher education beyond their initial qualifications.

Answer

D. Standardize the curriculum and teaching methods across all states and union territories.

Question 3

Consider a new agricultural policy being drafted for Kerala. Which of the following physiographic divisions would be most suitable for promoting large-scale cultivation of crops like tea, coffee, and cardamom, primarily due to its distinct geographical features?

Accepted Answer

C. Highland Region — The Highland Region, characterized by its high altitude, cool climate, and well-drained loamy soils, is ideally suited for plantation crops such as tea, coffee, and cardamom. The Lowland Plain and Coastal Belt are primarily for paddy and coconut cultivation, while the Midland Region is known for rubber and cashew, making the highland the correct choice.

Answer

A. Lowland Plain

Answer

B. Midland Region

Answer

D. Coastal Belt

Question 4

Niacin (Vitamin B3) plays a vital role in cellular metabolism. Its biologically active forms, NAD+ and NADP+, function primarily as:

Accepted Answer

C. Coenzymes in redox reactions — Niacin, or Vitamin B3, is a precursor to the coenzymes Nicotinamide Adenine Dinucleotide (NAD+) and Nicotinamide Adenine Dinucleide Phosphate (NADP+). These coenzymes are crucial electron carriers in numerous cellular redox reactions, playing central roles in energy metabolism (e.g., glycolysis, oxidative phosphorylation) and biosynthetic pathways.

Answer

A. Structural components of cell membranes

Answer

B. Precursors for neurotransmitters

Answer

D. Regulators of gene expression

Question 5

Mendel's work on pea plants established the laws of:‌​‍

Accepted Answer

Heredity (inheritance) — Gregor Mendel (1866) discovered dominant/recessive inheritance — father of genetics.‌​‍

Answer

Motion

Answer

Evolution

Answer

Thermodynamics

Question 6

A new teacher wants to establish an effective classroom management system focused on preventing misbehavior. Which of the following actions should be prioritized first?

Accepted Answer

A. Clearly defining and teaching classroom rules and procedures. — Clearly defining and teaching classroom rules and procedures is the foundational first step in proactive classroom management. This ensures students understand behavioral expectations, which significantly reduces the likelihood of misbehavior and creates a predictable learning environment. While other options are valuable, establishing clear expectations is paramount initially.

Answer

B. Developing a system of rewards for good behavior.

Answer

C. Planning engaging and varied lessons.

Answer

D. Establishing a clear hierarchy of consequences for misbehavior.

Question 7

The Kerala Fibre Optic Network (KFON) project has been a flagship initiative of the state government. Beyond providing high-speed internet connectivity, what is a key socio-economic objective KFON aims to achieve?

Accepted Answer

C. To bridge the digital divide by providing free internet access to economically backward households and government offices. — KFON's primary socio-economic objective is to bridge the digital divide by ensuring equitable access to high-speed internet. This includes providing free internet connections to economically backward families and government institutions, thereby promoting digital inclusion and e-governance. While other options relate to digital infrastructure or literacy, they do not capture the core socio-economic impact of KFON as effectively as bridging the digital divide for all.

Answer

A. To establish a new state-owned mobile network provider, competing with private telecom operators.

Answer

B. To ensure digital literacy for all citizens by distributing free tablets and laptops.

Answer

D. To develop advanced cybersecurity infrastructure exclusively for state government departments.

Question 8

Myopia:‌​‍

Accepted Answer

Near-sightedness — Distant objects blurred.‌​‍

Answer

Both

Answer

Far-sighted

Answer

Astigmatism

Question 9

The Emergency in India was declared on:‌​‍

Accepted Answer

25 June 1975 — Emergency declared by President on Indira Gandhi's advice on 25 June 1975, citing 'internal disturbance' (Article 352). ‌​‍Lasted until 21 March 1977.

Answer

26 January 1975

Answer

15 August 1975

Answer

3 December 1971

Question 10

State Legislative Council (Vidhan Parishad) exists in how many states (as of early 2020s)?

Accepted Answer

6 — Bicameral legislatures in 6 states: UP, Maharashtra, Bihar, Karnataka, AP, Telangana. Legislative Council created/abolished by Parliament (Article 169).

Answer

All 28

Answer

10

Answer

12

HSA Mixed Practice Test #178