In a computer, the parity bit is added for the purpose of:

• Coding
• Error detection
• Controlling
• Indexing
Correct Option: B  [ Error detection ]

Remark:

Average distance of the earth from the Sun is:

• 150 Million km
• 15 Million km
• 90 Million km
• 900 Million km
Correct Option: A  [ 150 Million km ]

Remark:

Entomology is the science that studies:

• The origin and history of technical and scientific terms.
• Insects
• The formation of Rocks
• Behavoiur of human beings
Correct Option: B  [ Insects ]

Remark:

Which metal is present in haemoglobin?

• Iron
• Zinc
• Magnesium
• Copper
Correct Option: A  [ Iron ]

Remark: Iron is an essential element for blood production, and about 70 percent of your body's iron is in the red blood cells called hemoglobin.

Which of the following could be used as fuel in propellant of rockets?

• liquid hydrogen + liquid nitrogen
• liquid oxygen + liquid argon
• liquid nitrogen + liquid oxygen
• Liquid hydrogen + liquid oxygen
Correct Option: D  [ Liquid hydrogen + liquid oxygen ]

Remark:

Part of earth where life exist is known as:

• Lithosphere
• Hydrosphere
• Atmosphere
• Biosphere
Correct Option: D  [ Biosphere ]

Remark:

Which of the following copper alloys is used for the manufacture of springs and suspension filaments in electrical instruments?

• Bronze
• Aluminium bronze
• German silver
• Phosphor bronze
Correct Option: D  [ Phosphor bronze ]

Remark:

The amount of light entering into eye can be controlled and regulated by ___________ .

• Sclera
• cornea
• pupil
• retina
Correct Option: C  [ pupil ]

Remark:

In plants, meiotic cell division takes place in the:

• root tip
• shoot tip
• flowers
• fruits
Correct Option: C  [ flowers ]

Remark: Meiosis is a type of cell division in which the number of chromosomes is halved (from diploid to haploid) in the daughter cells, i.e., the gametes. In plant it takes place in Flower.

The process by which energy is generated in the Sun is :

• Nuclear fusion
• Nuclear fission
• Both nuclear fusion and nuclear fission
• The burning of gases
Correct Option: A  [ Nuclear fusion ]

Remark: