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WorksheetsRAMAN'S QUIZ CLASS XII QUIZ CONTEST
Total questions: 28
Worksheet time: 5mins
which of the folowing concentration term is affected by temperature
molarity
molality
molefraction
none of these
Which of the following statement is true?
Electrostatic force is a conservative force.
Potential at a point is the work done per unit charge in bringing a charge from any point to infinity.
Electrostatic force is non-conservative
Potential is the productof charge and work.
2 gm of NaOH is present in 200 ml of it's solution ,its molarity will be
o.25
.50
25
2.5
Esterification of which type of alcohols is more
teriary
primary
secondary
all of above
In which form the chemical compound RDX is used
as an composition
as an exposive
as an nuclear weapon
as an reactor
Biochemical compounds are used as....
skin treatment
cooking oil
food preservatives
all of the above
Which of the following compound is not used as alkali
sodium hydroxide
potassium hydroxide
strontium hydroxide
calcium hydroxide
What name is given for the number of protons found in nucleus
what is the name of country in which MARIE CURIE born
Poland
New Zealand
England
Australia
Which of the following statement is true?
Electrostatic force is a conservative force.
Potential at a point is the work done per unit charge in bringing a charge from any point to infinity.
Electrostatic force is non-conservative
Potential is the productof charge and work.
1.Number of
chromosomes in Down's syndrome is 48
46
47
48
49
Glucagon is an
enzyme produced in the
salivary glands
pituitary
glands
thyroid
glands
pancreas
Pollination by
wind is called
anemophily
hydrophily
zoophily
entomophily
If the father in a family has a disease while the mother is normal, the daughters only are inherited by this disease and not the sons. Name this type of disease?
Autosomal recessive
Autosomal dominant
Sex-linked recessive
Sex-linked dominant
There are ________ different kinds of amino acids
40
20
25
30
Emergency contraceptives may prevent pregnancy if used within 72 hrs of ______.
Menstruation
Ovulation
Coitus
Implantation
Which of the following is not ART?
ICSI
ZIFT
IUI
MTP
Meiosis does not occur in
asexually reproducing diploid individuals
sexually reproducing haploid individuals
sexually reproducing diploid individuals
all of these.
The surface considered for Gauss’s law is called
Closed surface
Spherical surface
Gaussian surface
Plane surface
The surface considered for Gauss’s law is called
Closed surface
Spherical surface
Gaussian surface
Plane surface
The force per unit charge is known as
electric flux
electric field
electric potential
electric current
Electric field lines provide information about
field strength
direction
nature of charge
all of these
The SI unit of electric flux is
N C-1 m-2
N C m-2
N C-2 m2
N C-1 m2
The unit of electric dipole moment is
newton
coulomb
farad
debye
In a region of constant potential
the electric field is uniform.
the electric field is zero.
there can be no charge inside the region.
both (b) and (c) are correct.
. Consider a uniform electric field in the z-direction. The potential is a constant
for any x for a given z
for any y for a given z
on the x-y plane for a given z
all of these
In a parallel plate capacitor, the capacity increases if
area of the plate is decreased.
distance between the plates increases.
area of the plate is increased.
dielectric constantly decreases.
Dielectric constant for a metal is
zero
infinite
1
10
