King Hammurabi raised the first army of the world in

A. 2000 BC
B. 1500 BC
C. 1480 BC
D. 1027 BC
✅ The correct answer is option A.
King Hammurabi raised the first army of the world in 2000 BC. Hammurabi (also known as Khammurabi and Ammurapi, reigned 1792-1750 BCE) was the sixth king of the Amorite First Dynasty of Babylon, assumed the throne from his father, Sin-Muballit, and expanded the kingdom to conquer all of ancient Mesopotamia.

The exhaled air contains

A. carbon dioxide only
B. a mixture of carbon dioxide and nitrogen
C. a mixture which has more carbon dioxide than oxygen
D. a mixture of carbon dioxide, nitrogen and oxygen in which nitrogen has the highest percentage
✅ The correct answer is option D.
The exhaled air contains a mixture of carbon dioxide, nitrogen and oxygen in which nitrogen has the highest percentage. Exhaled air contains less oxygen and more carbon dioxide, it is also saturated with water vapour. Exhaled air contains: 78% nitrogen and16% oxygen.

When light passes from air into glass it experiences change of

A. frequency and wavelength
B. frequency and speed
C. wavelength and speed
D. frequency, wavelength and speed
✅ The correct answer is option C.
When light passes from air into glass it experiences change of wavelength and speed. Waves change speed when they pass across the boundary between two different substances, such as light waves refracting when they pass from air to glass. This causes them to change direction and this effect is called refraction.

John F. Kennedy, President of USA, died in

A. 1963
B. 1964
C. 1965
D. 1966
✅ The correct answer is option A.
John F. Kennedy, President of USA, died in 1963. John Fitzgerald Kennedy, the 35th President of the United States, was assassinated on November 22, 1963, at 12:30 p.m. Central Standard Time in Dallas, Texas, while riding in a presidential motorcade through Dealey Plaza.

Hamid Karzai was chosen president of Afghanistan in

A. 2000
B. 2001
C. 2002
D. 2003
✅ The correct answer is option C.
Hamid Karzai was chosen president of Afghanistan in 2002. The Karzai administration was the government of Afghanistan under President Hamid Karzai, who became the head of state of Afghanistan in December 2001 after the Taliban government was overthrown. Karzai was appointed at the 2002 Loya Jirga as the Interim President of the Afghan Transitional Administration.

The significance of the lotus symbol is

A. culture and civilisation
B. peace
C. justice
D. sign of mourning in protest
✅ The correct answer is option A.
The significance of the lotus symbol is culture and civilisation. The Lotus flower is regarded in many different cultures, especially in eastern religions, as a symbol of purity, enlightenment, self-regeneration and rebirth. Its characteristics are a perfect analogy for the human condition: even when its roots are in the dirtiest waters, the Lotus produces the most beautiful flower.

ICAO stands for

A. Indian Corporation of Agriculture Organization
B. Institute of Company of Accounts Organization
C. International Civil Aviation Organization
D. None of the above
✅ The correct answer is option C.
ICAO stands for International Civil Aviation Organization. The International Civil Aviation Organization (ICAO) is a UN specialized agency, established by States in 1944 to manage the administration and governance of the Convention on International Civil Aviation (Chicago Convention).

Taoism is followed in

A. Japan
B. Iran and north-west India
C. China, Taiwan, Nauru, Brunei, Singapore and Vietnam
D. worldwide
✅ The correct answer is option C.
Taoism is a Chinese philosophy attributed to Lao Tzu which contributed to the folk religion of the people primarily in the rural areas of China and became the official religion of the country under the Tang Dynasty. Taoism is therefore both a philosophy and a religion. Taoism is also known as Daoism.

Small amounts of iodine are necessary in our diet to

A. prevent pellagra
B. stimulate pituitary gland
C. stimulate clotting of blood
D. compensate for underactive the thyroid gland
✅ The correct answer is option D.
Small amounts of iodine are necessary in our diet to compensate for underactive the thyroid gland. When blood levels of TSH rise, the thyroid gland uses iodine to make thyroid hormones. However, when your body is low in iodine, it can’t make enough of them.