The modulus of rigidity is the ratio of
longitudinal stress to longitudinal strain
volume stress to volume strain
shearing stress to shearing strain
tensile stress to tensile strain
C.
shearing stress to shearing strain
Plasma membrane in eukaryotic cells is made up of
phospholipid
lipoprotein
phospholiproprotein
phosphoprotein
A.
phospholipid
A concave lens always forms an image which is
real and erect
virtual and erect
real and inverted
virtual and inverted
B.
virtual and erect
Which of the following is not a property of heavy water?
Boiling point of heavy water is lower than that of ordinary water
Density of heavy water is higher than that of ordinary water
Freezing point of heavy water is higher than that of ordinary water
It produces corrosion
A.
Boiling point of heavy water is lower than that of ordinary water
Which one of the following is also called the 'power plants' of the cell?
Golgi body
Mitochondrion
Ribosome
Lysosome
B.
Mitochondrion
The propagation of sound waves in a gas involves
adiabatic compression and rarefaction
isothermal compression and rarefaction
isochoric compression and rarefaction
isobaric compression and rarefaction
A.
adiabatic compression and rarefaction
What is the chemical name of vinegar?
Citric acid
Acetic acid
Pyruvic acid
Malic acid
B.
Acetic acid
An atomic clock is based on transitions in
sodium
caesium
magnesium
aluminium
B.
caesium
In which of the following processes is energy released?
Respiration
Photosynthesis
Ingestion
Absorption
A.
Respiration
Animals living in the tree trunks are known as
arboreal
volant
amphibious
aquatic
A.
arboreal