During World War I Germany was defeated in the Battle of Verdun on the western front and Romania declared war on the eastern front in the year

A. 1914 AD
B. 1915 AD
C. 1916 AD
D. 1917 AD
✅ The correct answer is option C.
During World War I Germany was defeated in the Battle of Verdun on the western front and Romania declared war on the eastern front in the year 1916 AD. Germany signed an armistice (an agreement for peace and no more fighting) that had been prepared by Britain and France. At the start of 1918, Germany was in a strong position and expected to win the war.

The main reserves of phosphorus in the biosphere is in the

A. hydrosphere
B. troposphere
C. lithosphere
D. atmosphere
✅ The correct answer is option C.
The main reserves of phosphorus in the biosphere is in the lithosphere. The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the movement of phosphorus, because phosphorus and phosphorus-based compounds are usually solids at the typical ranges of temperature and pressure found on Earth.

The life history of human malaria parasite in Anopheles was first described by

A. Partrick Manson
B. Laveran
C. Ronald Ross
D. Richard Pfeiffer
✅ The correct answer is option C.
The life history of human malaria parasite in Anopheles was first described by Ronald Ross. On 20 August 1897, in Secunderabad, Ross made his landmark discovery. While dissecting the stomach tissue of an anopheline mosquito fed four days previously on a malarious patient, he found the malaria parasite and went on to prove the role of Anopheles mosquitoes in the transmission of malaria parasites in humans.

The Himalayan Mountaineering Institute is located in

A. Dehradun
B. Darjeeling
C. Uttarkashi
D. Shillong
✅ The correct answer is option B.
The Himalayan Mountaineering Institute is located in Darjeeling. The Himalayan Mountaineering Institute (HMI) is one of the premier mountaineering institutes in the world. Founded on November 4th, 1954 by none other than Pandit Jawaharlal Nehru, the first Prime Minister of India, the institute is located in the picturesque hill station of Darjeeling.

How many times has Brazil won the World Cup Football Championship?

A. Once
B. Twice
C. Four times
D. Five times
✅ The correct answer is option D.
Brazil have won five times, and they are the only team to have played in every tournament. The other World Cup winners are Germany and Italy, with four titles each; Argentina, France and inaugural winner Uruguay, with two titles each; and England and Spain with one title each.

Which of the following act as a channel of transmission of blood to the heart in the human body?

A. Arteries
B. Muscle fibres
C. Nerves
D. Veins
✅ The correct answer is option D.
Veins act as a channel of transmission of blood to the heart in the human body. Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.

Neil Armstrong and Edwin Aldrin were the first to

A. step on the moon
B. circle the moon
C. walk in space
D. journey into space
✅ The correct answer is option A.
Neil Armstrong and Edwin Aldrin were the first to step on the moon. Apollo 11 was the spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module Eagle on July 20, 1969, at 20:17 UTC. Armstrong became the first person to step onto the lunar surface six hours and 39 minutes later on July 21 at 02:56 UTC; Aldrin joined him 19 minutes later.

The first foreigner to receive Bharat Ratna was

A. C.V. Raman
B. Nelson Mandela
C. Khan Abdul Ghaffar Khan
D. None of the above
✅ The correct answer is option C.
The first foreigner to receive Bharat Ratna was Khan Abdul Ghaffar Khan. Khan Abdul Gaffar Khan also known as frontier Gandhi from the Pakistan was the first foreigner to bestowed with Bharat ratna. he played active role during the freedom struggle of India most notably during the formation of Khudai khidmatgar(servants of god) movement. He was one of the close friend of Mahatama Gandhi.