1031. Photo Electric effect was discovered by 
– Henrich Hertz

1032. The pigment which gives orange colour to a carrot 
– Carotene

1033. Planet Venus is known as the 
– ‘Pet of the sun’

1034. A plant which absorbs maximum sunlight during photosynthesis is
– sugarcane. 

1035. Plants that flower only once in their lifetime are called 
– monocarpic plants.

1036. Plants which grow luxuriantly in the rainy season and shed all leaves in summer are called
– tropophytes. 

1037. Presence of excessive amount of urea in the blood is called 
– uremia 

1038. ………………….. is a mixture of Carbon monoxide, Hydrogen and Nitrogen 
– Producer gas

1039. The protective sheath of Axons 
– Myelin Sheath 

1040. ……………………… is the study of elections.
– Psephology

1041. …………………. is the chemical decomposition by the action of heat.
– Pyrolysis

1042. Rainbow is caused by total internal reflection, refraction and dispersion of light by the water particles present in the 
– atmosphere.

1043. Ultraviolet Rays is used for identifying the 
– counterfeit currency.

1044. Return to Earth is the autobiography of 
– Edwin Adrian. 

1045. ………………… is the process used to purify saline water. 
– Reverse osmosis

 CHEMICALS & NAMES 
1046. Sodium bicarbonate – Baking soda
1047. Potassium Chloride – Sylvite
1048. Sulphuric Acid – oil of vitriol
1049. Hydrated Iron oxide – Rust 
1050. Calcium Carbonate – Marble

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