Q. Optical fibres are hair-thin tubes of special glass and light can pass through them from end to end. Their special property is that light continues to travel through them even when they are bent. Which property of light underlies this phenomenon?
1) Total internal reflection
2) Refraction
3) Diffraction
4) Polarization
Q. Quite often, deltas are formed at river mouths. What is the reason for formation of delta?
1) The flow of the river slows down considerably by the time it meets the sea. Hence, the sand and pieces of rocks carried by the river fall off at its mouth and collect in the form of a delta.
2) The tide in the sea stops the river from flowing into the sea the sand and pieces of rocks carried along by the river current fall off and form a delta
3) Salts are present in seawater. When the river meets the sea, the sand and rock particles suspended in the river water get precipitated and they settle down at the bottom to form a delta
4) None of the above
Q. Food is cooked more quickly in pressure cooker, because -
1) The boiling point of water is lowered in it
2) The boiling point of water is raised in it
3) It absorbs heat quickly
4) It retains heat for a longer time
Q. The 'Param' series of supercomputers was developed in India by which of the following institutions?
1) Indian Institute of Science
2) Centre for Development of Advance Computing
3) Tata Institute of Fundamental Research
4) Electronic Corporation of India
Q. The Defence Research and Development Organization of India has developed a missile which can be launched from a submarine, What is it named?
1) BrahMos
2) Astra
3) Prithvi-4
4) K-15
Q. Ashok Chakra is awarded for -
1) Bravery in the face of enemy, during a war
2) Bravery during anti-terrorist operations
3) Life-saving
4) All of the above
Q. The first Indian satellite was launched into space in 1975. What was it called?
1) Aryabhatta
2) Rohini
3) Insat-1A
4) IRS-1A
Q. The ambitious road development project of India, known as the 'Golden Quadrangle Project', will join four important places. Which are these places?
1) Srinagar, Kanyakumari, Porbandar and Silchar
2) Amritsar, Ahmedabad, Bengaluru and Guwahati
3) Delhi, Mumbai, Kolkata and Chennai
4) Jalandhar, Pune, Hyderabad and Dibrugarh
Q. Gaya district of Bihar is associated with the name of Mahatma Buddha. In this district-
1) Mahatma Buddha was born
2) Mahatma Buddha gained enlightenment
3) Mahatma Buddha delivered his first sermon
4) Mahatma Buddha expires
Q. Who was the first 'Guru' of the Sikhs?
1) Guru Amardas
2) Guru Nanakdev
3) Guru Arjundev
4) Guru Tegh Bahadur
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