LGS Mixed Practice Test #747

Question 1

Neyyar Dam purpose:‌​‍

Accepted Answer

Irrigation + drinking water — Multi-purpose. TVM district.‌​‍

Answer

Flood control only

Answer

Hydroelectric only

Answer

Navigation

Question 2

India's DigiYatra uses which technology for airport entry?‌​‍

Accepted Answer

Facial recognition — DigiYatra uses facial recognition technology for contactless, paperless airport entry at Indian airports.‌​‍

Answer

Fingerprint scan

Answer

Iris scan

Answer

QR code only

Question 3

Which phenomenon of light causes a rainbow?‌​‍

Accepted Answer

Scattering — Rainbows form by refraction + dispersion + internal reflection, which is generally categorised under scattering/dispersion (closest option).‌​‍

Answer

Radiation

Answer

Diffraction

Answer

Reflection

Question 4

The female hormone that prepares the uterus for pregnancy is:‌​‍

Accepted Answer

Progesterone — Progesterone from corpus luteum maintains the uterine lining after ovulation.‌​‍

Answer

Estrogen

Answer

Testosterone

Answer

Thyroxin

Question 5

Biogas is predominantly composed of:‌​‍

Accepted Answer

Methane (CH₄) with some CO₂ — Biogas: ~55-75% CH₄ + 25-45% CO₂; produced by anaerobic digestion of organic waste.‌​‍

Answer

Nitrogen

Answer

CO₂ and CO

Answer

H₂ only

Question 6

Polio is caused by a:‌​‍

Accepted Answer

Virus — Poliovirus causes poliomyelitis; prevented by OPV/IPV vaccines.‌​‍

Answer

Fungus

Answer

Bacterium

Answer

Protozoan

Question 7

Keratin in:‌​‍

Accepted Answer

Hair, nails, skin — Structural protein.‌​‍

Answer

Blood

Answer

Muscles

Answer

Bones

Question 8

Unit of capacitance:‌​‍

Accepted Answer

Farad — Farad (F).‌​‍

Answer

Ohm

Answer

Weber

Answer

Henry

Question 9

At the end of the academic year, students in a Kerala PSC HSA preparation course take a comprehensive model examination designed to evaluate their overall understanding of the syllabus and readiness for the actual exam. The results are used to assign final grades and determine qualification. This assessment best represents:

Accepted Answer

C. Summative Assessment — Summative assessment occurs at the end of a learning period to evaluate overall achievement and assign grades, much like an annual or final examination. Formative assessment provides ongoing feedback, continuous assessment is a broader term often encompassing formative, and diagnostic assessment identifies learning difficulties at the beginning or during a unit.

Answer

A. Formative Assessment

Answer

B. Continuous Assessment

Answer

D. Diagnostic Assessment

Question 10

SI unit of energy:‌​‍

Accepted Answer

Joule — Joule (J). 1 J = 1 N⋅m.‌​‍

Answer

Newton

Answer

Hertz

Answer

Watt

LGS Mixed Practice Test #747