Which kind of lens is used in microscope ?

• Convex
• Concave
• Biconvex and concave
• Biconcave

Consider the following diseases:

i)Cholera
ii)Tuberculosis
iii)Small pox
iv)Typhoid

Which of the above diseases are caused by bacteria ?

• (i) and (iii) only
• (ii) and (iv) only
• (i), (iii) and (iv)
• (i), (ii) and (iv)

Threat of 'global warming' is increasing due to increasing concentration in the atmosphere of:

• O₃
• CO₂
• SO₂
• NO₂

Who invented ATM ?

• Luther George Simjian
• Jhon Shepherd Barron
• Douglas Brown
• None of these

In which part of the human body carpal bones are found ?

• Wrist
• Femur
• Neck
• None of these

What does 'GM' stand for in GM food?

• Generally modified
• Genetically modified
• Genetically medicated
• None of these

The phenomenon of radioactivity was discovered by:

• Marie Curie
• Pierre Curie
• Henri Becquerel
• J J Thomson

Which one of the following sets of Elements was primarily responsible for the origin of life on the earth?

• Hydrogen, Oxygen, Carbon, Sodium
• Oxygen, Carbon, Calcium, Phosphorus
• Carbon, Hydrogen, Oxygen, Nitrogen
• Carbon, Hydrogen, Nitrogen, Potassium

What is the scientific name of Vitamin- C :

• Turtaric Acid
• Folic Acid
• Ascorbic Acid
• Oxalic Acid

Which of the following is the heaviest ?

• Proton
• Electron
• Neutron
• Neutrino