Questions

Biological Control: This method is very effective. One pest is destroyed by another organism. For example the aphids are killed by lady beetle. The prickly pear is eradicted by cochineal insect. Here the advantage is, one does not use harmful chemicals which may get into the host plants.

True, the given statement that the atmosphere is unaffected by changes in the geosphere.

'M' is used as a unit of molarity and stands for mole per litre i.e, number of moles of solute per liter of solution.

India was one of the main centres of world trade and industry. Peter the Great of Russia was led to exclaim: “Bear in mind that the commerce of India is the commerce of the world and ... he who can exclusively command it is the dictator of Europe.”

Kane Williamson, the captain of Sunrisers Hyderabad team has won orange cup for scoring the most runs in IPL 2018.

The orange cap is presented annually in the Indian Premier League to the highest run scorer.

Trip planning helps reduce Driving distance and stress. We can preplan the trip how to go, where to go first, from where the spot is near and what the places to be seen there and the total estimation for the trip.

Fathometer is used to measure the depth of the ocean.