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.