Question Discussion & Solution

Concept:

• People eat different types of fruits and vegetables.
• Different parts or all parts of various plants can be eaten as food.
• In different places, different parts of a plant are eaten.
• Flowers can be used in different ways.
• Flowers can be eaten as well.
• Many flowers are cooked as vegetables.

Explanation:

T hus, the correct match is Flower: Drumsticks.

Additional Information

• In Uttar Pradesh, people enjoy eating a vegetable made of kachnar flowers.
• In Kerala and West Bengal, people cook a vegetable made of banana flowers.
• People who are from Maharashtra love pakoras made of drumsticks (sahjan) flowers.

Key Points

Thus, the correct match is A (III), B (II), C (IV), D (I)

The correct answer is Esterification.

Key Points

• Esterification -
  • Acid + Alcohol = Ester
  • It is a chemical reaction that forms at least one ester.
  • Esters are produced when acids are heated with alcohol.

Additional Information

• Crystallization -
  • The process of obtaining a pure solid in the form of crystals from a saturated solution is called crystallization.
  • In crystallization, the solution is first evaporated to separate a solid from the solution.
  • When the solution becomes very concentrated, the solution is cooled slowly by stopping evaporation, causing crystals to form.
• Saponification -
  • The saponification of a fat or oil is done by using NaOH solution for the hot process.
  • Saponification to the sodium salt of myristic acid takes place with NaOH in water.
  • Soap is formed by a chemical reaction by heating an aqueous solution of vegetable oil or fat and caustic soda or caustic potash, and glycerol is liberated.

The correct answer is CPU.

Key Points

• CPU (Central Processing Unit) -
  • It is the main part of the computer, it can also be called the 'brain of the computer'.
  • Its function is to process the inputs and instructions coming on the computer. 
  • This unit of computer performs arithmetic, logical, control functions, input functions, and output functions. 
  • It is also commonly known as a processor.

Additional Information

• Motherboard -
  • It is a printed circuit board installed in most electronic plants such as laptops, computers, etc.
  • It is also called the mainboard or system board.
  • The main part of the motherboard is its chipset.
• RAM (Random Access Memory) -
  • This is a type of memory, we also know it by the name of Primary Memory.
  • There are two types of RAM. Static RAM and Dynamic RAM

All are divisible by 10 except 25.