KAS Prelims Mixed Practice Test #355

Question 1

Change to passive voice: Did the blast terrify the children?‌​‍

Accepted Answer

Were the children terrified by the blast? — Past simple interrogative passive: Were + object + V3 + by + subject.‌​‍

Answer

Was the children terrified by the blast?

Answer

Were the children terrifying by the blast?

Answer

Was the blast terrified by the children?

Question 2

Rajaraja Chola I built:

Accepted Answer

Brihadeeswarar Temple — Thanjavur. UNESCO site.

Answer

Meenakshi Temple

Answer

Padmanabhaswamy

Answer

Jagannath Temple

Question 3

LED works on principle of:‌​‍

Accepted Answer

Electroluminescence — photon emission on recombination — Direct bandgap semiconductors (GaAs, GaN). ‌​‍Energy of photon ≈ bandgap. Nobel 2014 for blue LED.

Answer

Thermionic emission

Answer

Diffraction

Answer

Photoelectric effect

Question 4

India's forex reserves 2024 (peak):‌​‍

Accepted Answer

$700+ B — Crossed $700 billion.‌​‍

Answer

$800 B

Answer

$600 B

Answer

$500 B

Question 5

Tuberculosis (TB) affects mainly the:‌​‍

Accepted Answer

Lungs — TB primarily affects the lungs. ‌​‍Caused by Mycobacterium tuberculosis. BCG vaccine prevents it.

Answer

Heart

Answer

Liver

Answer

Kidneys

Question 6

A student is exceptional at navigating complex maps, visualizing three-dimensional objects, and designing intricate architectural models. According to Howard Gardner's theory of Multiple Intelligences, this student likely possesses a high degree of which intelligence?

Accepted Answer

D. Spatial intelligence — Spatial intelligence, as defined by Gardner, is the capacity to think in three dimensions, visualize accurately, and manipulate mental images. The student's proficiency in navigating maps, visualizing 3D objects, and designing models are all strong indicators of this specific intelligence. Musical, bodily-kinesthetic, and logical-mathematical intelligences are distinct domains that do not directly relate to these skills.

Answer

A. Musical intelligence

Answer

B. Bodily-kinesthetic intelligence

Answer

C. Logical-mathematical intelligence

Question 7

Rubber Board HQ:‌​‍

Accepted Answer

Kottayam — Kottayam.‌​‍

Answer

TVM

Answer

Kochi

Answer

Idukki

Question 8

A teacher wants to introduce a complex scientific concept, like the working of a human heart, to a class of 8th graders. Which of the following teaching aids would be MOST effective in ensuring clear understanding and retention among students, specifically focusing on the dynamic process of blood circulation?

Accepted Answer

D. An interactive digital simulation or video animation showing blood flow through the heart and body. — For understanding a dynamic process like blood circulation, an interactive digital simulation or video animation is most effective. It visually demonstrates the continuous flow and changes over time, which static charts or even 3D models cannot fully convey. Hands-on dissection focuses more on anatomy than the dynamic process itself.

Answer

A. A large, detailed wall chart depicting the anatomy of the heart.

Answer

B. A hands-on dissection of an animal heart.

Answer

C. A 3D model of the human heart with movable parts.

Question 9

Olympic Games 2028 host:‌​‍

Accepted Answer

LA — Los Angeles hosts Summer Olympics 2028.‌​‍

Answer

Sydney

Answer

Paris

Answer

Brisbane

Question 10

Ohm's law states:

Accepted Answer

V = IR at constant T — Linear between V and I (ohmic conductors). Not obeyed by semiconductors, diodes, bulbs.

Answer

V = I²R

Answer

V/I increases

Answer

I = V²

KAS Prelims Mixed Practice Test #355