The Great Wall of China was primarily built to protect against invasions from:

A. Mongols
B. Japanese
C. Russians
D. Indians

Who was the first woman to win a Nobel Prize:

A. Marie curie
B. Mother teresa
C. Malala yousafzai
D. Rosalind franklin

Which of the following country is not a member of the G7:

A. Canada
B. Japan
C. China
D. Italy

The second largest ocean in the world is:

A. Atlantic ocean
B. Indian ocean
C. Arctic ocean
D. Southern ocean

The capital of Switzerland is:

A. Zurich
B. Geneva
C. Basel
D. Bern

The Great Barrier Reef is located in which country:

A. Indonesia
B. Australia
C. Malaysia
D. Philippines

The currency of Thailand is:

A. Baht
B. Ringgit
C. Dong
D. Kyat

Which metals are used in thermometers for furnaces?

A. Copper & iron
B. Steel & copper
C. Steel & nickel
D. Copper & nickel

Explanation: Copper and Nickel are used in high-temperature thermometers.

The basic photosynthetic pigment is:

A. Photosystems
B. Carotenoid
C. Chlorophyll - a
D. Chlorophyll - b

Explanation: Chlorophyll - a is the primary photosynthetic pigment.

The oxides that behave as both acidic and basic oxides are called:

A. Acid
B. Salt
C. Amphoteric
D. Basic