Chemisty
Who created Bohr's model?
A. Neil's Bohr. B. Rutherford
C. Dalton. D. Julius plucker
A. Neils bohr
Unit of force?
A. Newton. B. Kg
C. N/ kg. C. meter
A. Newton.
A.
A. Newton
Unit of velocity?
A. M. B. M/s
C. M/cm. C. Ms
B. M/s
Photosynthesis takes place in?
A. Chloroplast. B. Chromoplast
C.chlorophyll. D. Grana
A. Chloroplast
Hardest part of tooth?
A. Pulp. B. Enamel
C. Dentine. D. Cementum
B. Enamel
Protons are ------------ charged
A. Charge less. B. Negative
C. Positive. D. Positive and negative
C. Positive
Buoyancy will be equal to eight of water displaced.....what is this principle?
A. Pascal's principle. B. Principle of floatation
C. Archimedes principle. D. Relative density
C. Archimedes principle
When the resultant force us 0.... Then the forces applied are?
A. Unbalanced forces. B. Negative forces
C. Positive forces. D. Balanced forces
D. Balanced forces
What takes place in grana?
A. Photosynthesis B. Light phase
C. Dark phase. D. Absorbtion
B. Light phase
What is also known as pacemaker?
A. Lacteal. B. Venacava
C. Sino artial node. D. None of above
C. Sino artial node
Planetary model was created by?
A. William Crookes. B. Rutherford
C. JJ Thomson. D. Humphry davy
B. Rutherford
How to find pressure?
A. P= F×A. B. P= F÷A
C. P= F+A. D. P=F-A
B. P=F÷A
Unit of momentum is
A. Kg m/s. B. Kg ms
C. N m/s. D. Kg m
A. Kg m/s
Cyclic reaction in dark phase is also known as?
A. Melvin cycle. B. Stoma reaction
C. Plant cycle. D. Calvin cycle
D. Calvin cycle
Companion cell is a part of?
A.Phloem. B. Xylem
C. Animal cell. D. Human cell
A. Phloem
What is used in medical field for diagnosis and treatment of cancer?
A.carbon 14. B. Iodine 313
C. Deutrium. D. Iodine 131
D. Iodine 131
Density or volume more?
A. Buoyancy more. B.pressure more
C. Weight more. D. Mass more
A. Buoyancy more
In a velocity time graph the area of portion under it will be equal to?
A. Distance b. Displacement
C. Volume. C. Time
B. Displacement
Plants store food (energy) in the form of?
A. Glucose. B. Sucrose
C. Starch. D. Galactose
C. Starch
Final product of protein?
A. Pepton. B. Peptide
C. Amino acid. D. Maltose
B. Peptide
What is cation?
A. Negative ions. B. Positive ions
C. Charge less ions. D. None of above
B. Positive ions
Liquids with low viscosity are?
A. Viscous liquid. B. Non viscos liquid
C. Mobile liquid. C. Negative liquid
C. Mobile liquid
Surface tension is due to ?
A. Viscosity. B. Friction
C. Cohesive force. D. Adhesive force
C. Cohesive force
Fluid part of chloroplast?
A. Grana. B. Stroma
C. Cytoplasm. D. Nucleus
B. Stroma
Which is a pancreatic juice?
A. Pepsin enzyme. B. HCL
C. Trypsin. D. Gastric lipase enzyme
C. Trypsin