MCQs

Q101: How many atomic particles of an atom?

• A) 3
• B) 4
• C) 5

Q102: Mercury is used in thermometers because ______?

• A) It remains liquid at ordinary temperatures
• B) It has uniform expansion (expand uniformly)
• C) All of the above

Q103: Mass of Earth is _____?

• A) 6.0 x 10^23 kg
• B) 6.0 x 10^24 kg
• C) 6.0 × 10^25 kg

Q104: Which part of the human brain is the center of memory, learning, thinking, and reasoning?

• A) Cerebellum
• B) Cerebrum
• C) Medulla

Q105: The Lunar eclipse occurs when:

• A) Moon is between the earth and the sun
• B) Earth is between the sun and the moon
• C) Sun is between the earth and the moon

Q106: NASA is the space agency of which country?

• A) Russia
• B) America
• C) England

Q107: Neutral pH of a solution is ____?

• A) 1
• B) 7
• C) 14

Q108: What is the function of chlorophyll in plants?

• A) Traps Sunlight
• B) Absorb Water
• C) Provides Support

Q109: Organ of human body which is considered on the largest organ is ______?

• A) Skin
• B) Digestive tract
• C) Liver

Q110: The chemical name/main compound of synthetic vinegar is ______?

• A) Acetic acid
• B) Sodium acid
• C) Sodium chloride