Rainbow formation is due to:

A. Absorption of sunlight by water droplets

B. Diffusion of sunlight through water droplets

C. Ionization of water droplets

D. Refraction and reflection of sunlight by water droplets


A. Experience Coriolis effect that deflects air to the right in the Southern Hemisphere

B. Are associated with super geostrophic winds

C. Are typically regions of fair weather

D. Are associated with the low-pressure systems.

How dengue fever is transmitted?

A. Bite of an infected mosquito

B. Bite of an infected male Aedes mosquito

C. Bite of an infected female Anopheles mosquito

D. Bite of an infected female Aedes mosquito

Spectrum made of:

A. Seven colours

B. Five colours

C. Three colours

D. None of these

ICU stands for:

A. Internal Care Unit

B. Intensive Care Unit

C. Initial Care Unit

D. Intensive Cardio Unit