Science & Technology Notes for UPSC, IAS, Civil Services

Science and Technology Short Notes useful for all Competitive Exams–

1. Nitroglycerine is used as – an explosive
2. Dolomite, Calcite, Gypsum, and Flourspar are the pres of – Calcium
3. RDX is also known as – Cyc1onite (RDX-CH2N.NO3)
4. A geostationary satellite has a period of – 24 hours
5. Food of the developing foetus is supplied by – Placenta
6. A body falling freely from a height towards the earth moves with constant – Acceleration
7. In the structure of planet Earth, below the mantle, the core is mainly made up of – Iron
8. The study of alimentary canal or stomach, intestine and their disease is called – Gasteroenterology
9. The type of glass which can cut-off ultraviolet rays is – Crookes Glass
10. The concept of expanding universe is based on – Doppler Effect
11. The botanical name of Teak (wood) is – Tectona Grandis
12. The theory of inheritance of acquired character was propounded by – J. B. Lamarck
13. In the context of Indian wild life, the flying fox is – Bat
14. The scientific/biological name of cow is – Bos Indicus
115. What is used by computed tomography employed for visualisation of the internal structure of human body? – Magnetic Resonance
16. Angstrom is the unit for measuring the wavelength of – Light
17. The process by which sun rays get converted into chemical energy is called – Bioconversion
18. Clear sky appears blue due to – Scattering of Light
19. Pearl is mainly constituted of – Calcium Carbonate
20. The basic structural and functional unit of life is – Cell
21. The function of the Liver is to Produce – Urea
22. The synthetic radioactive isotope of cobalt used in the treatment of cancer deep inside the body is – Cobalt-60
23. The first Indian to be elected President to International Council of Science is – Goverdhan Mehta
24. For digestion of fat bile is needed. This is secreted by the – Liver
25. By which process can the sea water be converted into pure water? – Reverse Osmosis
26. The instrument used to measure the electric current is called – Ammeter
27. Which types of light are strongly absorbed by plants? – Indigo and Yellow
28. CAT stands for – Computerized Axial Tomography
29. Of blood groups A, B, AB and a which is transfused into a person whose blood group is A ? – Group A or O
30. The symbol of World Wildlife Fund is – Red Panda

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