- Liver
- Fulcrum
- Wedge
- Inclined Plane
- d
Everyday Science MCQs
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If you travel on the Moon your weight will change because:
- The pull of gravity is stronger there than on earth
- The pull of gravity is weaker than on earth
- The pull on sun is weaker than earth
- The pull of space is stronger than earth
- b
-
Human weight is six times less on Moon as compare to Earth.
If the ratio of solute to solvent is low, the solution is said to be:
- Dilute
- Saturated
- Concentrated
- Supersaturated
- a
A method which is used to separate coloured chemicals or substances is known as:
- Distillation
- Filtration
- Sublimation
- Paper Chromatography
- d
-
Chromatography is a process to separate the components of mixture.
Paper Chromatography is a type of Partition Chromatography.
The smallest particle of compound, made up of group of atoms is known as:
- Isotopes
- Molecule
- Mixture
- Alloy
- b
-
A material composed of two or more elements is called Compound i.e. Water, Carbon Dioxide, Sodium Chloride and etc.
Which statement is incorrect about gas molecules?
- Molecules have low attractive forces
- Molecules don't collide with one another
- Molecules are widely separated
- Molecules free to move in any direction
- b
-
A group of atoms is called Molecule.
Which women spent longest time in space?
- Medam Cury
- Christina Koch
- Linda Koch
- None of these
- b
-
Christina Koch belonged to USA.
She spent 328 days in space.
In bacterial cell, the DNA is found floating in the:
- Nucleus
- Cytoplasm
- Ectoplasm
- Nucleoplasm
- a
The molecular model of DNA which suggests the basic mechanism of DNA replications was proposed by:
- Charles Drawings and G Mendet
- C.Woese and R Franclin
- James Watson and Francis Crick
- M.Wilkuns and J.Black
- c
-
Both Scientists discover the structure of DNA in 1953.
The basic physical and functional unit of heredity is called:
- Gene
- Cell
- Chromosome
- Chromosome
- a
-
Genes are made up of DNA.
DNA stands for Deoxyribonucleic Acid.