General Science Mcqs-15

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Officerswiki is a free education & learning platform for all students and working professionals, where they can practice multiple choice questions & answers (MCQs). These all MCQs on Officerswiki are FreeMcqs which are helpful in all types of exams  such as PPSC, FPSC, CSS, NTS,  PMS and UPSC. 

A crescograph is a device for measuring the growth in __________?

A. Microorganism
B. Plants
C. Human
D. Pollution

Which of the following is used in water purification

A. Reverse Osmosis
B. Osmosis
C. Cytolysis
D. Turgor Pressure

the lightest metal is__________?

A. Lithium
B. Sodium
C. Magnesium
D. Aluminium

Which of the following pollutants in water causes “Minamata disease?

A. Methyl Mercury
B. Lead
C. Salmonella
D. Perchlorate

The process of converting wet waste to manure is___________?

A. Metabolism
B. Conservation
C. Incineration
D. Composting

Which of the following organisms releases molecular oxygen into water?

A. E.coli
B. Phytoplankton
C. Amoeba
D. Salmonella

A colloidal system in which a liquid is dispersed into a liquid is called_________?

A. Precipitate
B. Gel
C. Emulsion
D. Sol

Which metal is the pure conductor of electricity?

A. Copper
B. Gold
C. Silver
D. lead

An example of rhizome is_________?

A. Carrot
B. Tomato
C. Ginger
D. Garlic

Which planet is called “red planet”?

A. Mars
B. Venus
C. Jupiter
D. Saturn

Which of these is a micronutrient of plants

A. Oxygen
B. Nitrogen
C. Boron
D. Carbon

Diamond is harder than Graphite because of___________?

A. Difference in crystalline Structure
B. Tetrahedral structure of diamond
C. Difference in layer of atoms
D. None of these

Which planet is called “red planet”?,Which of these is a micronutrient of plants,the lightest metal is,Diamond is harder than Graphite because of___________?

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