MCQs

Q181: Y chromosome in humans ______?

• A) Carries many genes
• B) Is completely inert
• C) Carries few genes

Q182: The longest day on earth is observed on?

• A) 21 May
• B) 20 July
• C) 21 June

Q183: Which type of waste is more hazardous to health and environment? A) Plant waste B) Animal waste

• A) Plant waste
• B) Animal waste
• C) Both equally

Q184: Which vitamin is present in milk in small amounts as an antioxidant?

• A) Vitamin A
• B) Vitamin C
• C) Vitamin E

Q185: Vegetable oil and sulphur dioxide are used in the production of?

• A) Soap
• B) Plastic
• C) Margarine

Q186: What is the ratio between N₂ and H₂ in ammonia preparation?

• A) 1 : 1
• B) 1 : 2
• C) 1 : 3

Q187: If sin is positive and cos is negative, in which quadrant is the angle?

• A) First quadrant
• B) Second quadrant
• C) Third quadrant

Q188: Cement contains Gypsum

• A) 3%
• B) 2%
• C) 4%

Q189: Why is gypsum added to cement?

• A) To speed up the setting time
• B) To control the setting time
• C) To increase strength

Q190: Muscle movement is primarily controlled by which type of nerve?

• A) Sensory nerve
• B) Motor nerve
• C) Mixed nerve