201. Which company manufactures low and high power communication equipment like radius for the use of defense services and paramilitary organisations?

A. Bharat Electronics Limited (BEL)
B. God Shipyard Limited (GSL)
C. Bharat Dynamic Limited (BDL)
D. None of the above
✅ The correct answer is option A.
Bharat Electronics Limited (BEL) company manufactures low and high power communication equipment like radius for the use of defense services and paramilitary organizations.

202. Kiran Bedi is

A. first woman IAS officer
B. first woman IPS officer
C. first woman advocate
D. first woman judge
✅ The correct answer is option B.
Kiran Bedi is first woman IPS officer. Kiran Bedi (born 9 June 1949) is a retired Indian Police Service officer, social activist, former tennis player and politician who is the current Lieutenant Governor of Puducherry. She is the first female Indian Police Service (IPS) officer and started her serivce in 1975.

203. India became a member of the United Nations in

A. 1945
B. 1947
C. 1959
D. 1960
✅ The correct answer is option A.
India became a member of the United Nations in 1945. India is a founding member of the United Nations. On June 26, 1945, India was among 50 countries to sign the UN charter. India joined the United Nations after ratifying the UN Charter on October 30, 1945.

204. Dr. Zakir Hussain was

A. first vice president of India
B. first speaker of Lok Sabha
C. the first Muslim president of India
D. first president of Indian National Congress
✅ The correct answer is option C.
Dr. Zakir Hussain was the first Muslim president of India. He was the co-founder of Jamia Millia Islamia University. Born on February 8, 1897, in Hyderabad, he was the country’s first Muslim president, from May 13, 1967, until his death on May 3, 1969.

205. The branch of science that studies cells is called

A. cytology
B. homoplasty
C. entomology
D. hormonology
✅ The correct answer is option A.
The branch of science that studies cells is called cytology. It is that branch of science which deals with the structural and functional organisation of cell. It is also known as cell biology.

206. In 1943, Franklin D. Roosevelt, Winston Churchill and Joseph Stalin met at Teheran primarily

A. to work out a common line of action against Japan
B. for creating an effective instrument for maintaining international peace
C. to discuss the strategy to be adopted by the Allies to invade Germany
D. to consider a common plan of action by the Allies forces against the axis powers
✅ The correct answer is option B.
In 1943, Franklin D. Roosevelt, Winston Churchill and Joseph Stalin met at Teheran primarily for creating an effective instrument for maintaining international peace.

208. 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.

209. 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.

210. 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.