Questions

Which  of  the  following  substances  cause temporary hardness in water?

1. Mg(HCO3)2

2. Ca(HCO3)2

3. CaCl2

4. MgSO4

Economically, the most important forests of India are

Rearrange the parts of the sentence in correct order.

P: In addition, tsunamis move throughout the depth of the ocean and not just its surface.
Q A tsunami wave isn’t much different in height compared to other waves in the ocean.
R: That is why a tsunami generally goes unnoticed in the open ocean.
S: But, due to its wavelength, it "piles up" when it approaches land.

In India, planned economy is based on

Improve the bracketed part of the sentence.

They will not be able to enjoy these (up and until) they part with their personal biometric information to the government.

Syadvada was the fundamental basis of which religion?

Read the passage carefully and choose the best answer to each question out of the four alternatives.

The instructor's rules were simple. Breathe through your mouth, not your nose; else the mask will fog up. Easier said than done; I got it wrong many a time. But once you fought habit and got the hang of it, the panoramic underwater world revealed itself to you with high-definition clarity.

Led by him, I slowly peered through the mask into what till then was crystal-clear water, shimmering in the sunlight. I saw pebbles, sand and my fluid shadow. I was in Nemo's universe. Sea cucumbers, sea anemone, clown fish, star fish, sea horses, parrot fish, butterfly fish and a bevy of colourful salt water fish swam past. A shoal of canary-yellow fish did a merry dance and another with vibrant blue fish followed it. They were oblivious to the snorkelers who struggled to take in the sight of a world so beautiful, so colourful, and resist opening their mouth wide in amazement; the tube would fall off!

The writer is describing her experience of which activity?

Improve the bracketed part of the sentence.

The company hopes to eventually provide Singapore with the second-biggest electric car-sharing service in the world, (second to Paris only).