Down syndrome is a/an

• Infectious disease
• Genetic disease
• Epidemic disease
• Mutated disease
Correct Option: B  [ Genetic disease ]

Remark: A genetic condition caused by having an extra chromosome 21 in some or all of the body's cells.

Who discovered Lysergic acid diethylamide (LSD)

• Linus Pauling
• Alexander Fleming
• Albert Hofmann
• None of these
Correct Option: C  [ Albert Hofmann ]

Remark: A Swiss scientist.

Oxygen liberated during photosynthesis comes from:

• water
• carbon dioxide
• glucose
• Both carbon dioxide and glucose.
Correct Option: A  [ water ]

Remark:

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

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

Remark:

Pure water freezes at a temperature:

• 47°F
• 32°F
• 0°F
• 19°F
Correct Option: B  [ 32°F ]

Remark: Ordinarily, the freezing point of water and melting point is 0°C or 32°F.

What happens to a person who receives the wrong type of blood?

• all the arteries constrict
• all the arteries dialate
• the RBCs agglutinate
• the spleen and lymph nodes deteriorate
Correct Option: C  [ the RBCs agglutinate ]

Remark:

Check the odd term out:

• Internet
• Linux
• Unix
• Windows
Correct Option: A  [ Internet ]

Remark:

Insecticides usually act upon:

• Muscular system
• Digestive system
• Nervous system
Correct Option: C  [ Nervous system ]

Remark:

Which among the following is a large spectrum Antibiotic ?

• Paracetamol
• Penicillin
• Ampicillin
• chloramphenicol
Correct Option: C  [ Ampicillin ]

Remark:

Who discovered electromagnetic nature of light?

• Young
• Snell
• Newton
• Maxwell
Correct Option: D  [ Maxwell ]

Remark: