Which of the following contains maximum carbon dioxide ?

• Grasslands
• Forests
• Oceans
• Agroecosystems
Correct Option: C  [ Oceans ]

Remark:

Which of the following minerals is found in Monazite sand ?

• potassium
• uranium
• Thorium
• sodium
Correct Option: C  [ Thorium ]

Remark:

The stars twinkle at night because:

• they emit energy
• of diffraction
• of refraction
• of relection
Correct Option: C  [ of refraction ]

Remark:

The brain of any computer system is:

• Control Unit
• Monitor
• CPU
• ALU
Correct Option: C  [ CPU ]

Remark:

Nucleus is absent in

• Erythrocyre (Red Blood Cell)
• Cancer cell
• Stem cell
• Leucocyte (White Blood Cell)
Correct Option: A  [ Erythrocyre (Red Blood Cell) ]

Remark:

Which of the following elements is essential for the transmission of nerve impulses in nerve fibers of human body ?

• Calcium
• Iron
• Sodium
• Zinc
Correct Option: C  [ Sodium ]

Remark:

The disease caused due to lack of antidiuretic hormone (ADH):

• Diabetes insipidus
• Diabetes mellitus
• Grave's disease
• Cushing's disease
Correct Option: A  [ Diabetes insipidus ]

Remark:

Thyroid gland is located

• near the heart
• at the base of the brain
• below the liver
• in the neck region
Correct Option: D  [ in the neck region ]

Remark:

Who invented vaccination for 'small pox'?

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

Remark:

India's first supercomputer is known as:

• SAGA
• PARAM 8000
• EKA
• PARAM YUVA
Correct Option: B  [ PARAM 8000 ]

Remark: