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Wednesday, 12 February 2020

General Science: Questions and Answers (Chapter: 31)

General Science: Questions and Answers 
(Chapter: 31)

1001. Kreb's cycle takes place in 
- Mitochondria 

1002. ....................... is the longest glacier found in the world. 
- Lambert-Fisher (Australia)

1003. The largest blood vessel in the human body
-  aorta

1004. Law of electrolysis 
- Michael Faraday

1005. The light-sensitive pigment of cone cells 
- Iodopsin 

1006. The light-sensitive pigment of rod cells
- Rhodopsin 

1007. Lights scattering by particles in a colloid is known as 
- Tyndall effect. 

1008. ................. is the machine used to break up kidney stones by ultrasound waves.
- Lithotripter

1009. Loss of smell is called 
- Anosmia 

1010. lux (lx) is the unit of 
- illuminance.

1011. Marsh test is done to identify the presence of 
- Arsenic. 

1011. MASER(Microwave Amplification by Stimulated Emission of Radiation) 
-discovered by Charles H Towns.

1012. Melatonin is also known as 
- 'sleep hormone'

1013. ................... is the most cratered planet in the solar system.
- Mercury

1014. ..................... is also known as oil of wintergreen
- Methyl salicylate

1015....................... is the unit to measure the sensitivity of a computer mouse.
- Mickey

1016. Mirror used in Solar Cooker 
- Concave Mirror

1017. Modern periodic laws were put forwarded by 
- Moseley

1018. Mond's process is used for extracting 
- nickel.

1019. Naphthalene is the chemical compound known as 
- white tar.

1020. ......................... are classified into four types according to the presence of nitrogen in their crystals. 
- Natural diamonds

1021. Nomology is the study of 
- lawmaking. 

1022. The normal level of calcium in the blood
- 10-12 mg/100ml 

1023. Nucleus was discovered by 
- Robert Brown

1024. Organisms that derive their food from dead and rotten materials are calls 
- Saprophytes 

1025. Osmium is used at the tip of a
- fountain pen. 

1026. 'Pink Ball worm' is a pest of 
- cotton.

1027. Pearl is soluble in 
- vinegar 

1028. People working with phosphorous are suffering from 
- Phossy Jaw.

1029. The phenomenon of sound which is used in a stethoscope 
-Reflection

1030. Phosphorous is kept underwater whereas 
- Lithium is kept in wax.

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