Which amongst the following is the largest endocrine gland in the body?

• Thyroid
• Parathyroid
• Adrenal
• Pituitary

The pH of human blood is:

• 7.2
• 7.8
• 6.6
• 7.4

In coriander the useful parts are:

• roots &leaves
• leaves & flowers
• leaves & dried fruits
• flower& dried fruits

Which of the following minerals is found in Monazite sand ?

• potassium
• uranium
• Thorium
• sodium

Who invented vaccination for 'small pox'?

• Sir Fredrick Grant Banting
• Sir Alexander Fleming
• Edward Jenner
• Louis Pasteur

The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organism is:

• 4-6
• 2-4
• 8-10
• 12-16

Iodoform is used as an:

• antipyretic
• analgesic
• antiseptic
• anaesthetic

White lung disease is prevalent among the workers of:

• paper industry
• cement industry
• cotton industry
• pesticide industry

The addition of gypsum to Portland cement helps in:

• increasing the strength of cement
• rapid setting of cement
• preventing rapid setting of cement
• reducing in the cost of cement

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