PART - 1 CH - 4 Carbon and Its Compounds — Science STD 10 — Question

_________ presented the main rules of inheritance. (Mendel, Darwin, Lamarck)

A problem of _________ is due to entry of non-biodegradable substance.  (Biological magnification, Eutrophication, Acid rain)

Animals fats contain esters of……….. (saturated fatty acids, unsaturated fatty acids, carboxylic acid)

Carbohydrate is synthesized by the reduction of CO₂ in the process of __________.(Photosynthesis, Respiration, Fermentation)

When a coil is viewed from one end, if the current flows in a clockwise direction, then this end behaves like a……….pole. (south, north, west)

A man made chemical __________  is the main reason of depletion of ozone layer. 

In the spectrum of white light, and ______________ colours seen at the two ends. (Violet, Red, Yellow)

Use of _________ chemical is hazardous for ozone layer. (CFC, Nitrous oxide, Carbon dioxide)

The synthesis of enzymes in the cell is under the control of _________. (Genes, Ribosomes, Nucleus)

Molecular formula of Lead Nitrate is __________ .