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
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