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Friday 23 November 2018

General Science - 50

1131. Light sensitive pigment of rod cells
- Rhodopsin 

1132. Lights scattering by particles in a colloid is known as 
- Tyndall effect. 

1133. ................. is the machine used to break up kidney stones by ultrasound waves.
Lithotripter

1134. Loss of smell is called 
- Anosmia 

1135. lux (lx) is the unit of 
- illuminance.

1136. Marsh test is done to identify the presence of 
- Arsenic. 

1137. MASER(Microwave Amplification by Stimulated Emission of Radiation) 
-discovered by Charles H Towns.

1138. Melatonin is also known as 
- 'sleep hormone'

1139. ................... is the most cratered planet in the solar system.
Mercury
1140. ..................... is also known as oil of wintergreen
Methyl salicylate

1141....................... is the unit to measure the sensitivity of a computer mouse.
Mickey

1141. Mirror used in Solar Cooker 
Concave Mirror

1142. Modern periodic laws were put forwarded by 
- Moseley

1143. Mond's process is used for extracting 
- nickel.

1144. Naphthalene is the chemical compound known as 
- white tar.

1145. ......................... are classified into four types according to the presence of nitrogen in their crystals. 
Natural diamonds

1146. Nomology is the study of 
- lawmaking. 

1147. Normal level of calcium in blood
- 10-12 mg/100ml 

1148. Nucleus was discovered by 
Robert Brown

1149.Organisms that derive their food from dead and rotten materials are calls 
- Saprophytes 

1150. Osmium is used at the tip of a
- fountain pen. 

1151. 'Pink Ball worm' is a pest of 
- cotton.

1152. Pearl is soluble in 
- vinegar 

1153. People working with phosphorous are suffering from 
- Phossy Jaw.

1154. Phenomenon of sound which is used in stethoscope 
-Reflection

1155. Phosphorous is kept under water whereas 
- Lithium is kept in wax.
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