Which of the following is chiefly present in LPG?

• Methane
• Ethane
• Propane
• Butane
Correct Option: D  [ Butane ]

Remark:

Which of the following lenses would you prefer to read small letters in a dictionary ?

• A convex lens of focal length 50 cm
• A concave lens of focal length 50 cm
• A convex lens of focal length 5 cm
• A concave lens of focal length 5 cm
Correct Option: C  [ A convex lens of focal length 5 cm ]

Remark:

Which among the following is a large spectrum Antibiotic ?

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

Remark:

Study of, and the selection, planting, care, and removal of individual trees, shrubs, vines, and other perennial woody plants is known as

• Olericulture
• Floriculture
• Arboriculture
• Viticulture
Correct Option: C  [ Arboriculture ]

Remark: Arboriculture is the art of cultivating, properly managing, and studying individual shrubs, trees, vines, and any other woody plants.

Who invented vaccination for 'small pox'?

• Sir Fredrick Grant Banting
• Sir Alexander Fleming
• Edward Jenner
• Louis Pasteur
Correct Option: C  [ Edward Jenner ]

Remark:

RADAR is used for

• locating submerged submarines
• receiving signals in a radio receiver
• locating geostationary satellites
• detecting and locating the position of objects such as aeroplane
Correct Option: D  [ detecting and locating the position of objects such as aeroplane ]

Remark:

Cerebral Malaria is caused by:

• Plasmodium vivax
• Plasmodium malariae
• Plasmodium falciparum
• None of the above
Correct Option: C  [ Plasmodium falciparum ]

Remark:

Which of the following trees shed their leaves once in a year?

• Deciduous trees
• Coniferous trees
• Evergreen trees
• Both deciduous and coniferous trees
Correct Option: A  [ Deciduous trees ]

Remark:

Fathom is unit of:

• Depth
• Distance
• Frequency
• Sound
Correct Option: A  [ Depth ]

Remark:

The speed of light will be minimum while passing through :

• Glass
• Vacuum
• Air
• Water
Correct Option: A  [ Glass ]

Remark: