Question : Riboflavin is a/an_______________.

Option 1: Vitamin

Option 2: Hormone

Option 3: Fatty acid

Option 4: Enzyme

Question : Which among the following types of unemployment is also known as real wage unemployment?

Option 1: Classical

Option 2: Seasonal

Option 3: Structural

Option 4: Frictional

Question : Which among the following articles of the Indian Constitution deals with the "Fundamental Duties"?

Option 1: 55A

Option 2: 51A

Option 3: 61A

Option 4: 54A

Question : Which among the following statements is incorrect?

Option 1: The cell wall is present in animals.

Option 2: The cell membrane is also called the plasma membrane.

Option 3: Chromosomes are composed of DNA and protein.

Option 4: Mitochondria is known as the powerhouse of the cell.

Question : Which of the following minerals is responsible for the synthesis of thyroxine hormone?

Option 1: Iron

Option 2: Cobalt

Option 3: Calcium

Option 4: Iodine