KAS Prelims Mixed Practice Test #835

Question 1

Which of the following is a key characteristic of action research that distinguishes it from traditional research?

Accepted Answer

C. It involves cycles of planning, acting, observing, and reflecting — Action research is iterative and cyclical, involving teachers as both researchers and participants in the process. This iterative approach (C) is a core feature, unlike the other options which describe traditional research (A, D) or external involvement (B).

Answer

A. It requires a large sample size for valid results

Answer

B. It is conducted by external researchers without teacher involvement

Answer

D. It focuses solely on quantitative data analysis

Question 2

The Eastern Roman Empire (whose capital fell in 1453) is also known as the:

Accepted Answer

Byzantine Empire — The Eastern Roman Empire is historically known as the Byzantine Empire (395–1453).

Answer

Ottoman Empire

Answer

Carolingian Empire

Answer

Holy Roman Empire

Question 3

The Indian Constitution came into effect on:‌​‍

Accepted Answer

26 Jan 1950 — 26 January 1950 (Republic Day).‌​‍

Answer

15 Aug 1947

Answer

26 Nov 1949

Answer

30 Jan 1948

Question 4

CFL stands for:‌​‍

Accepted Answer

Compact Fluorescent Lamp — CFL = Compact Fluorescent Lamp. ‌​‍More energy-efficient than incandescent bulbs but being replaced by LEDs.

Answer

Carbon Fluoride Lamp

Answer

Central Fluorescent Light

Answer

Compact Flash Light

Question 5

Akbar founded which new religion?‌​‍

Accepted Answer

Din-i-Ilahi — Akbar founded Din-i-Ilahi (Divine Faith) in 1582, synthesising elements from multiple religions.‌​‍

Answer

Sikhism

Answer

Sufism

Answer

Bhakti

Question 6

Attitude component (ABC model):‌​‍

Accepted Answer

Affective, Behavioral, Cognitive — Feelings, actions, thoughts. ‌​‍Attitudes formed through learning, socialization, direct experience.

Answer

Only emotion

Answer

Only action

Answer

One

Question 7

The most effective mechanism by which proper handwashing with soap and water prevents the spread of infection is:

Accepted Answer

B. Mechanically removing and inactivating microorganisms — Handwashing with soap and water works primarily by mechanically dislodging and rinsing away microorganisms from the skin surface, and the soap helps to inactivate some pathogens. It does not necessarily kill all bacteria, create a lasting chemical barrier, or primarily aim to improve skin texture, but rather physically removes infectious agents.

Answer

A. Killing all bacteria on the skin surface

Answer

C. Creating a protective chemical barrier

Answer

D. Improving skin texture and health

Question 8

The Bharathapuzha, often referred to as 'Nila', is Kerala's second-longest river and holds immense cultural significance. However, it faces severe ecological challenges, particularly a drastic reduction in water flow during the dry season. Which of the following human-induced factors is most directly responsible for exacerbating the dry season water scarcity and the associated increase in sand mining pressures in the river?

Accepted Answer

C. Excessive and unregulated sand mining from the riverbed, leading to deepening, loss of groundwater recharge, and lowering of the water table. — Excessive and unregulated sand mining is directly responsible for exacerbating dry season water scarcity in the Bharathapuzha. The removal of sand deepens the riverbed, detaching it from the surrounding water table, thereby reducing groundwater recharge and lowering the water table. This makes the river appear dry even when there is subsurface flow. While check dams (A) and deforestation (D) contribute to overall water stress, and pollution (B) affects water quality, sand mining directly impacts the river's physical structure and its ability to retain water during lean periods, making it the m

Answer

A. Construction of numerous check dams and barrages for irrigation in its upper reaches across both Kerala and Tamil Nadu.

Answer

B. Uncontrolled discharge of industrial and domestic waste into the river, leading to severe pollution.

Answer

D. Significant deforestation in the catchment area, reducing the capacity for water retention and percolation.

Question 9

Laterite soil found in:

Accepted Answer

Kerala and hills of Karnataka — Heavy rain areas — Kerala, Karnataka Ghats, parts of NE.

Answer

Punjab

Answer

Rajasthan

Answer

UP

Question 10

When introducing a complex abstract concept in mathematics, such as 'calculus limits', which type of teaching aid would be most effective in helping students grasp the underlying principles through visualization and manipulation, rather than just theoretical explanation?

Accepted Answer

A. Interactive simulations or dynamic geometry software (e.g., GeoGebra) — Interactive simulations and dynamic geometry software allow students to visualize the abstract concepts of calculus limits, manipulate variables, and observe immediate graphical changes, leading to a deeper conceptual understanding. While other options provide information, they lack the hands-on, exploratory, and dynamic visualization capabilities crucial for demystifying complex abstract mathematical concepts.

Answer

B. Detailed textbook explanations and solved examples

Answer

C. Traditional whiteboard explanations with static diagrams

Answer

D. Video lectures by an expert mathematician

KAS Prelims Mixed Practice Test #835