Question : Those organisms which consume food synthesised by plants are called ___________.

Option 1: phototrophic

Option 2: heterotrophic

Option 3: self-sufficient

Option 4: saprophyte

Question : Directions: Which one of the given responses is the meaningful order of the following?
1. Farmer
 2. Seed
3. Food
4. Cultivation

Option 1: 1, 2, 4, 3

Option 2: 2, 1, 3, 4

Option 3: 4, 2, 3, 1

Option 4: 3, 1, 4, 2

Question : What will be the ratio of the simple interest on 1,000 for 2 years at 5% per annum to the simple interest on the same sum for the same period at 10% per annum?

Option 1: 2 : 1

Option 2: 3 : 1

Option 3: 1 : 2

Option 4: 1 : 3

Question : The substances which reduce friction are called _______.

Option 1: fluids

Option 2: magnets

Option 3: springs

Option 4: lubricants

Question : Which of the following is the ultimate source of energy for all living organisms?

Option 1: Soil

Option 2: Sun

Option 3: Water

Option 4: Air