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Florigen is synthesized in
\( A \cdot \) Stem
B. Leaves
\( c . \) Root
D. Fruits
| 0 |
Biology
|
Force \( \times \) time \( = \) . Fill in the
blank
A. Acceleration
B. Impulse
c. Velocity
D. Momentum
| 3 |
Physics
|
PAHs generally have a low degree of acute toxicity to humans.
A . True
B. False
| 1 |
Chemistry
|
Assertion: Receptors are crucial to body's communication process
Reason : Receptors are proteins
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion
B. Both Assertion and Reason are correct and Reason is NOT the correct explanation for Assertion
C. Both Assertion and Reason are incorrect
D. Assertion is correct but Reason is incorrect
E. Assertion is incorrect but Reason is correct
\( F . \) None of these
| 1 |
Chemistry
|
Which of the following is/are incorrect
about solubility trend in group I and II ?
This question has multiple correct options
A. The solubility of the alkali metal fluorides increases on moving down the group.
B. The solubility of the alkali metal hydroxides decreases on moving down the group.
C. The solubility of hydroxides, fluorides and oxalates decreases from calcium to barium
D. The solubility of carbonates, sulphates and chromates decreases on moving down the group.
| 1 |
Chemistry
|
1 kg of cold water at \( 5^{\circ} \mathrm{C} \) is mixed with
\( 5 k g \) of hot water at \( 65^{\circ} \mathrm{C} \). Calculate the
final temperature of the water when it arrives at thermal equilibrium?
A \( \cdot 10^{\circ} \mathrm{C} \)
В. \( 15^{\circ} \mathrm{C} \)
\( \mathbf{c} \cdot 35^{\circ} C \)
D. \( 55^{\circ} \mathrm{C} \)
E \( \cdot 60^{\circ} \mathrm{C} \)
| 3 |
Physics
|
paracetamolis:
\( \mathbf{A} \)
\( B \)
\( \mathbf{c} \)
D.
| 1 |
Chemistry
|
The blood vessel which brings oxygenated blood from lungs towards
the heart of frog is
A. Pre-caval
B. Post-caval
c. Pulmonary vein
D. Pulmonary artery
| 0 |
Biology
|
Evaluate: \( \int_{-1}^{2}\left|x^{3}-x\right| d x \)
| 2 |
Maths
|
Write the different types of Hydrogen Spectral series. The Lyman series of Hydrogen spectrum lies in the ultraviolet region. Why?
| 3 |
Physics
|
A solution containing \( 30 g \) of a nonvolatile solute in exactly \( 90 g \) water has a vapour pressure of 21.85 mm \( H g \) at
\( 25^{\circ} \mathrm{C} . \) Further 18 gm of water is then added to the solution. The resulting solution has a vapour pressure of 22.18 \( \mathrm{mmHg} \) at \( 25^{\circ} \mathrm{C} \). Calculate
(a) molar mass of the solute, and (b) vapour
pressure of water at \( 25^{\circ} \mathrm{C} \)
В. \( (a) 61.21 g \) тод\( ^{-1} \),
(b) 23.99 \( \mathrm{mm} \) Н \( g \)
\( (b) 28.87 \mathrm{mm} \mathrm{Hg} \)
D. \( (a) 84.87 g \) mol \( ^{-1} \),
| 1 |
Chemistry
|
Which of the following ions is NOT isoelectronic to a noble gas?
A \( . A l^{3} \)
в. \( K^{+} \)
\( c \cdot B r^{-} \)
D. \( C o^{2} \)
| 1 |
Chemistry
|
In the following reaction:
\( \boldsymbol{K}_{2} \boldsymbol{M} \boldsymbol{n} \boldsymbol{O}_{4}+\boldsymbol{C l}_{2} \longrightarrow 2 \boldsymbol{K} \boldsymbol{C l}+ \)
\( 2 K M n O_{4} \)
2 moles \( C l_{2} \) and 2 moles \( K_{2} M n O_{4} \)
form \( \ldots \ldots . . . . . . \) moles \( \boldsymbol{K} \boldsymbol{M} \boldsymbol{n} \boldsymbol{O}_{4} \)
Fill in the above blank.
| 1 |
Chemistry
|
When the turns ratio of a step-up transformer is 20 and the primary ac voltage is \( 12 V \), the secondary voltage is
A . \( 12 V \)
B. \( 120 V \)
c. \( 240 V \)
D. 2, 400V
| 3 |
Physics
|
Assertion
Metaphase II begins with splitting of centromere of each chromosomes into
two
Reason
In Anaphase II chromosomes align at
the equator.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
| 0 |
Biology
|
For waht value of \( \lambda \), the three numbers
\( 2 \lambda-1, \frac{1}{4}, \lambda-\frac{1}{2} \) can be the direction
cosines of a straight line?
A \( \cdot \frac{1}{2} \pm \frac{\sqrt{3}}{4} \)
B. \( \frac{3}{4} \)
\( c \cdot \pm \frac{3}{4} \)
D. \( \frac{\sqrt{3}}{2} \pm \frac{1}{4} \)
| 2 |
Maths
|
A thermodynamic equilibrium
represents the state when all the three equilibrium (i.e., chemical, thermal and mechanical equilibrium) are attained at a time.
If true enter 1 , else enter 0 .
| 3 |
Physics
|
Which term of the G.P.: \( \frac{1}{3}, \frac{1}{9}, \frac{1}{27} \dots \) is \( \frac{1}{19683} ? \)
| 2 |
Maths
|
A pan containing a layer of uniform thickness of ice is placed on a circular turn- table with its centre coinciding with the centre of the turn-table.
The turn-table is now rotated at a
constant angular velocity about a vertical axis passing through its centre and the driving torque is withdrawn. There is no friction between the table
and the pivot. The pan rotates with the
table. As the ice melts,
This question has multiple correct options
A. the angular velocity of the system decreases
B. the angular velocity of the system increases
c. the angular velocity of the system remains unchanged
D. the moment of inertia of the system increases
| 3 |
Physics
|
Prove that \( x^{2}-y^{2}=c\left(x^{2}+y^{2}\right)^{2} \) is the
general solution of differential equation
\( \left(x^{3}-3 x y^{2}\right) d x=\left(y^{3}-3 x^{2} y\right) d y \)
where \( c \) is a parameter
| 2 |
Maths
|
Molarity of a substance decreases with increase in temperature.
A. True
B. False
| 1 |
Chemistry
|
Entamoeba gingivalis lives in the
A. Intestine
B. Colon
c. Pus pockets of pyorrhoea
D. Intestine and colon
| 0 |
Biology
|
Write the IUPAC name of the following compound:
\( \boldsymbol{C H}_{2}=\boldsymbol{C}\left(\boldsymbol{C H}_{3}\right)-\boldsymbol{C}(\boldsymbol{H})\left(\boldsymbol{C H}_{3}\right)(\boldsymbol{B r}) \)
A. 3-Bromo-2-methylbut-1-ene
B. 2-Bromo-2-methylbut-1-ene
c. 1 -Bromo-2-methylbut-1-ene
D. none of these
| 1 |
Chemistry
|
Citrus fruits are rich in vitamin:
\( A \cdot A \)
B.
\( c . \) в
D.
| 1 |
Chemistry
|
The velocity \( (v)- \) time \( (t) \) graph of a
body is as shown in the figure. What is
the displacement in \( 5 s ? \)
\( A \cdot 2 m \)
B. 3 m
\( c .4 m \)
D. 5 m
| 3 |
Physics
|
a) Explain bragg's spectrometer method.
b) Write about the preparation of colloids by chemical methods.
| 1 |
Chemistry
|
Identify \( A \)
A. \( H C H O \)
\( \mathbf{B} \cdot C H_{3} C H O \)
\( \mathbf{C} \cdot C_{6} H_{5} C H O \)
\( \mathrm{D} \cdot \mathrm{CH}_{3} \mathrm{COCH}_{3} \)
| 1 |
Chemistry
|
The colour of caustic soda turns pink when phenolphthalein is added.
A. True
B. False
| 1 |
Chemistry
|
Which of the following is true regarding derivation of the name of californium?
A. The name of californium was derived from the name of the place.
B. The name of californium was derived from its color.
c. The name of californium was derived from the name of the scientist who discovered it
D. The name of californium was derived from mythological character name.
| 1 |
Chemistry
|
The least reactive element among the following is
A \( , x^{1} \)
?
В . \( _{18} Y^{16} \)
c. \( _{11} X^{23} \)
D. \( _{12} Y^{24} \)
| 1 |
Chemistry
|
Which compound requires use of the Bronsted-Lowry theory to be identified as a base?
A. \( N H_{3} \)
в. \( H_{2} \).
c. \( L i O H \)
D. \( N a C l \)
| 1 |
Chemistry
|
Who am I? I depend on plants for food.
| 0 |
Biology
|
A coil of area \( A_{0} \) is lying in such a magnetic field whose value changes
from \( B_{0} \) to \( 4 B_{0} \)
in \( t \) seconds. The induced emf in the coil
will be :
A \( \cdot \frac{4 B_{0}}{A_{0} t} \)
в. \( \frac{4 B_{0} A_{0}}{t} \)
c. \( \frac{3 B_{0} A_{0}}{t} \)
D. \( \frac{3 B_{0}}{A_{0} t} \)
| 3 |
Physics
|
A disk of mass \( M, \) radius \( R \) and
thickness \( \frac{R}{6} \) has a moment of intertia \( I \) about an axis passing through the centre and perpendicular to the disk. The disk is recasted to form a sphere.
Obtain the moment of inertia of the
sphere about its diameter.
| 3 |
Physics
|
Find the integrals of the functions.
i) \( \sin ^{2}(2 x+5) \)
ii) \( \sin 3 x \cos 4 x \)
iii) \( \cos 2 x \cos 4 x \cos 6 x \)
iv) \( \sin ^{3}(2 x+1) \)
| 2 |
Maths
|
The atom \( A, B, C \) have the configuration \( A \rightarrow[Z(90)+n(146)], B \rightarrow[Z(92)+ \)
\( \mathrm{n}(146)], \mathrm{C} \rightarrow[\mathrm{Z}(90)+\mathrm{n}(148)] \) So that
(a) \( A \) and \( C- \) Isotones
(b) A and C -
Isotopes
(c) \( A \) and \( B \) - Isobars
(d) \( B \) and \( c- \)
Isobars
(e) \( \mathrm{B} \) and \( \mathrm{C} \) - Isotones
The wrong statements are:
A. a, bonly
B. c, d, e only
c. a \( , c, d \) only
D. a, d, e only
| 1 |
Chemistry
|
Show that the following points are collinear.
(3,-2),(-2,8) and (0,4)
| 2 |
Maths
|
Plots of \( E_{\text {cell}} \) with \( \log _{10} Q \) for the reaction, \( Z n(s)+C u^{2+}(a q .) \rightleftharpoons \)
\( \boldsymbol{C u}(\boldsymbol{s})+\boldsymbol{Z} \boldsymbol{n}^{2+}(\boldsymbol{a q} .) \) gives a straight
line with an intercept \( 1.10 . \) If \( \boldsymbol{E}_{c e l l}= \) \( 1.1591 V \), then value of \( Q \), i.e. \( \frac{\left[Z n^{2+}\right]}{\left[C u^{2+}\right]} \) is:
A . 0.01
B. \( 0 . \)
c. 100
D. 10
| 1 |
Chemistry
|
If \( \cos B \cos C+\sin B \sin C \sin ^{2} A=1 \)
then triangle \( A B C \) is
A. isosceles and right angled
B. equilateral
C. isosceles whose equal angles are greater than \( \pi / 4 \)
D. none
| 2 |
Maths
|
With age 'Near point' and 'Far point' recedes due to
A. Weakening of ciliary muscles
B. decreasing ability to change the focal length
A . A is correct
B. B is correct
c. Both A and B are correct
D. Neither A nor B is correct
| 3 |
Physics
|
The number of positive integral
solutions of the equation \( \tan ^{-1} x+ \) \( \cot ^{-1} y=\tan ^{-1} 3 \) is :
\( \mathbf{A} \cdot \mathbf{0} \)
B.
\( c \cdot 2 \)
D. 3
| 2 |
Maths
|
The self inductance of the motor of an
electric fan is \( 10 \mathrm{H} \). In order to impart
maximum powr of \( 50 \mathrm{Hz} \), it should be
connected to a capacitance of
\( A \cdot 8 \mu F \)
в. \( 4 \mu F \)
\( c \cdot 2 \mu F \)
D. \( 1 \mu F \)
| 3 |
Physics
|
The temperature of 5 mol of a gas which was held at constant volume was
changed from \( 100^{\circ} \mathrm{C} \) to \( 120^{\circ} \mathrm{C} \). The
change in internal energy was found to
be 80 . \( J \). The total heat capacity of the
gas at constant volume will be equal to
\( \mathbf{A} \cdot 8 J K^{-1} \)
B . \( 0.8 \mathrm{JK}^{-1} \)
\( \mathbf{c} \cdot 4 J K^{-1} \)
D. \( 0.4 \mathrm{JK}^{-1} \)
| 3 |
Physics
|
A particle of mass m moving with a velocity v makes a head on elastic
collision with another particle of the same mass initially at rest. The velocity of the first particle after collision is
\( A \)
B. \( v / 2 \)
c. \( 2 v \)
D.
| 3 |
Physics
|
Very fine particles mainly scatter light.
| 3 |
Physics
|
By splitting into prime factors, find the
square root of 11025
A. 1005
в. 105
c. 100
D. 115
| 2 |
Maths
|
What is smog? How is classical smog different from photo chemical smog?
| 1 |
Chemistry
|
Find \( m \) if the following equation holds true \( 1.3+2.4+3.5+\ldots+n(n+2)= \)
\( \frac{1}{m} n(n+1)(2 n+7) \)
| 2 |
Maths
|
According to the Bohr model of the atom, which electron transition will emit the lowest energy photon?
A \( n=2 \) to \( n=5 \)
5
B . \( n=3 \) to \( n=2 \)
c. \( n=3 \) to \( n=4 \)
D. \( n=6 \) to \( n=2 \)
2
| 1 |
Chemistry
|
Find the fraction equivalent to 0.5436 and \( 0 . \overline{5436} \)
| 2 |
Maths
|
Fill in the blanks.
is the fastest mode
of transfer of heat.
| 3 |
Physics
|
Write a rational function \( f \) that has
vertical asymptote at \( x=4, \) a
horizontal asymptote at \( y=5 \) and \( a \)
zero at \( x=-7 \)
A \( \quad f(x)=\frac{5(x-7)}{(x-4)} \)
B. \( f(x)=\frac{5(x+7)}{(x-4)} \)
c. \( f(x)=\frac{5(x-7)}{(x+4)} \)
D. \( f(x)=\frac{(x+7)}{(x+4)} \)
| 2 |
Maths
|
Which of the following is the most widely accepted method of contraception in India at present?
A. Cervical caps
B. Tubectomy
c. Diaphragms
D. IUDs (Intra uterine devices)
| 0 |
Biology
|
Describe the working of AC electric generator with diagram:
| 3 |
Physics
|
If \( f(x)=\left|\begin{array}{cc}x & \lambda \\ 2 \lambda & x\end{array}\right|, \) then \( f(\lambda x)-f(x) \) is
equal to:
A \( \cdot x\left(\lambda^{2}-1\right) \)
B \( \cdot 2 \lambda\left(x^{2}-1\right) \)
C \( \cdot \lambda^{2}\left(x^{2}-1\right) \)
D. \( \lambda\left(x^{2}-1\right) \)
E \( \cdot x^{2}\left(\lambda^{2}-1\right) \)
| 2 |
Maths
|
The value of \( (\operatorname{adj} A) \) is equal to
A . \( 2 A \)
в. \( 4 A \)
\( c .8 A \)
D. \( 16 A \)
| 2 |
Maths
|
The masses of \( \alpha \) -particle, proton and neutron are 4.00150 amu, 1.00728 amu
and 1.00867 amu respectively. Binding Energy per nucleon of \( \alpha \) -particle is :
\begin{tabular}{l}
A .2835 \\
\hline
\end{tabular}
в. 931.5 Ме \( V \)
c. \( 28.3 \mathrm{MeV} \)
D. \( 7.08 \mathrm{MeV} \)
| 3 |
Physics
|
One \( g m \) metal \( M^{3+} \) was discharged by
the passage of \( 1.81 \times 10^{23} \) electrons.
What is the atomic mass of metal?
\( \mathbf{A} \cdot 8 g / m o l \)
в. \( 9 g / m o l \)
c. \( 10 g / \) mol
D. None of these
| 1 |
Chemistry
|
What should be the angle between corresponding radii such that the tangents don't intersect?
A . \( 0^{\circ} \)
B. \( 90^{\circ} \)
\( c \cdot 180^{\circ} \)
D. \( 45^{\circ} \)
| 2 |
Maths
|
Magnesium is used in fireworks.
A. True
B. False
| 1 |
Chemistry
|
In the figure, \( \triangle A B C \) is right angled at
\( B . D \) is any point on \( A B \)
\( \operatorname{seg} D E \perp \operatorname{sid} e A C . \) If \( A D= \)
\( 6 \mathrm{cm}, A B=12 \mathrm{cm} A C=18 \mathrm{cm} . \) Find
\( A E \)
\( A \cdot 5 c m \)
в. 3 ст
\( c .4 c m \)
\( 0.6 \mathrm{cm} \)
| 2 |
Maths
|
Two identical spherical masses are kept at some distance. Potential energy when a mass \( m \) is taken from the
surface of one sphere to the other
A. increases continuously
B. decreases continuously
c. first increases, then decreases
D. first decreases, then increases
| 3 |
Physics
|
The difference between birth rate and
death rate is termed as
A. life rate
B. survival rate
c. birth ratio
D. none of the above
| 0 |
Biology
|
What must be added to \( 7 z^{3}-11 z^{2}- \)
129 to \( \operatorname{get} 5 z^{2}+7 z-92 ? \)
A \( \cdot 7 z^{3}+16 z^{2}+7 z+37 \)
B . \( -7 z^{3}+16 z^{2}+7 z+37 \)
D. \( -7 z^{3}-7 z^{2}+7 z-37 \)
| 2 |
Maths
|
In case a solute associates in solution,
the van't Hoff factor is :
A \( . i>1 \)
в. \( i=1 \)
\( c \cdot i<1 \)
D. None of these
| 1 |
Chemistry
|
\( \ln P_{4} O_{10}, \) find the number of oxygen
atoms bonded to each phosphorous
atom
| 1 |
Chemistry
|
Through a fixed point \( (h, k) \) secants are
drawn to the circle \( x^{2}+y^{2}=r^{2} \) Then
the locus of the midpoints of the chords
intercepted by the circle is
A \( \cdot x^{2}+y^{2}=h x+k y \)
B . \( x^{2}-y^{2}=h x+k y \)
C. \( x^{2}+y^{2}=h x-k y \)
D. \( x^{2}-y^{2}=h x-k y \)
| 2 |
Maths
|
The S.I unit of wavelength is
A \( . c m \)
в. \( d m \)
\( c \cdot m \)
D. \( k m \)
| 3 |
Physics
|
\( 40 \% \) of \( P C l_{s} \) is not dissociated at
\( 300^{0} C . \) The reaction is carried out in a
flask of 1 litre capacity. The value of \( \boldsymbol{K}_{\boldsymbol{c}} \)
would be:
A. 3.2
B. 1.6
\( c .2 .8 \)
D. 0.9
| 1 |
Chemistry
|
Solve the following equation. \( 2 x-\frac{1}{3}=\frac{1}{5}-x \)
| 2 |
Maths
|
toppr
Q Type your question
\( A \)
\( B \)
\( c \)
\( D \)
| 1 |
Chemistry
|
Cell wall of both bacteria and
cyanobacteria contains
A. Lipid
B. Pectin
c. Protein
D. Muramic acid
| 0 |
Biology
|
A certain force acting on a body of mass 2kg increase its velocity from 6m/s to \( 15 \mathrm{m} / \mathrm{s} \) in \( 2 \mathrm{s} \). The work done by the force during this interval is?
A. 27
B. 3J
c. \( 94.5 \mathrm{J} \)
D. 1890
| 3 |
Physics
|
\( \alpha \) -particle consists of :
A. 2 protons and 2 neutrons only
B. 2 electrons, 2 protons and 2 neutrons
C \( . \) 2 electrons and 4 protons only
D. 2 protons only
| 3 |
Physics
|
Which one of the following statements
is false for hydrophilic colloids?
A. They do not require electrolytes for stabillity
B. Their coagulation is reversible
C. Their viscosity is of the order of that of water
D. Their surface tension is usually lower than that of dispersion medium
| 1 |
Chemistry
|
If \( A=1 \) and \( B=0, \) than \( A . A+B \) in the
Boolean expression is equal to
A. \( B \)
в.
c. \( A . B \)
D. B.B
| 3 |
Physics
|
For the reaction, \( \boldsymbol{P} \boldsymbol{C l} \boldsymbol{l}_{5}(\boldsymbol{g}) \rightleftharpoons \boldsymbol{P} \boldsymbol{C l}_{3}(\boldsymbol{g})+ \)
\( \boldsymbol{C l}_{2}(\boldsymbol{g}) \)
The forward reaction at constant
temperature is favored by:
A. introducing an inert gas at constant volume
B. introducing chlorine gas at constant volume
c. introducing an inert gas at constant pressure
D. none of the above
| 1 |
Chemistry
|
A charge \( +q \) is placed at the origin 0 of \( x-y \) axes as shown in the figure. The work done in taking a charge \( Q \) from \( A \) to B along the straight line \( A B \) is:
A \( \cdot \frac{q Q}{4 \pi \varepsilon_{0}}\left(\frac{a-b}{a b}\right) \)
в. \( \frac{q Q}{4 \pi \varepsilon_{0}}\left(\frac{b-a}{a b}\right) \)
c. \( \frac{q Q}{4 \pi \varepsilon_{0}}\left(\frac{b}{a^{2}}-\frac{1}{b}\right) \)
D. \( \frac{q Q}{4 \pi \varepsilon_{0}}\left(\frac{a}{b^{2}}-\frac{1}{b}\right) \)
| 3 |
Physics
|
Answer the following questions:
(i) Obtain the expression for the cyclotron frequency.
(ii) A deuteron and a proton are accelerated by the cyclotron. Can both be accelerated with the same oscillator
frequency? Given reason to justify your
answer
| 3 |
Physics
|
Choose the correct on from the given four
options:
Consider equation:
\[
\mathrm{P}_{4} \mathrm{O}_{10}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{H}_{3} \mathrm{PO}_{4}
\]
Number of moles of \( \mathrm{H}_{3} \mathrm{PO}_{4} \) produced by
reaction are 1 mole of \( P_{4} O_{10} \)
is
2
4
6
8
| 1 |
Chemistry
|
What are the advantages of sexual
reproduction?
| 0 |
Biology
|
A car and a lorry are moving with same momentum. If same brake force is
applied then,
A. car comes to rest in shorter distance
B. lorry comes to rest in shorter distance
c. both travels the same distance before coming to rest
D. Insufficient data
| 3 |
Physics
|
A force can change:
A. shape of a body
B. size of a body
c. direction of motion
D. all the above
| 3 |
Physics
|
The dimensional formula \( M^{-1} L^{3} T^{-2} \)
refers to:
A . Force
B. Power
c. Gravitational constant
D. Energy
| 3 |
Physics
|
Two current carrying loops of same area but of different materials have same
current flowing in them in anticlockwise direction. if a magnetic field is applied in upward direction then potential energy of loop 1 and loop 2 will
always be:
A. Different
B. Equal
c. can be different or equal depend upon material
D. Can't say
| 3 |
Physics
|
are a class of chemical
compounds used for the treatment of
stress, and mild or even severe mental diseases.
A. Tranquilizers
B. Antiseptics
c. Analgesics
D. None of above
| 1 |
Chemistry
|
Glycolysis occurs
A. In cytoplasm
B. In aerobic respiration
C. In anaerobic respiration
D. All of the above
| 0 |
Biology
|
How much would a W kg man weigh on the moon in terms of gravitational
units?
A \( \cdot \frac{W}{6} \) kg wt
B. 6 W kg wt
c. w kg wt
D. zero
| 3 |
Physics
|
The odd one amongst following is
A. Nitrococcus, Nitrobacter, Nitrosomonas
B. Rhizobium, Bacillus Polymyxa, Pseudomonas
c. clostridium, Rhizobium, Nostoc
D. Anabaena, Nostoc, Azotobacter, Clostridium
| 0 |
Biology
|
In human, teeth are
A. Homodont and polyphydont
B. Heterodont and polyphyodont
C. Homodant anddiphyodont
D. Heterodont and diphyodont
| 0 |
Biology
|
Match the following
| 1 |
Chemistry
|
Divide the polynomial \( p(x) \) by the polynomial \( g(x) \) and find the quotient and remainder.
\( \boldsymbol{p}(\boldsymbol{x})=\boldsymbol{x}^{3}-\boldsymbol{3} \boldsymbol{x}^{2}+\mathbf{5} \boldsymbol{x}-\boldsymbol{3} \)
\( g(x)=x^{2}-2 \)
\( \mathbf{A} \cdot q(x)=x-3, r(x)=7 x+9 \)
в. \( q(x)=x+3, r(x)=-7 x-9 \)
C \( . q(x)=x+3, r(x)=7 x-9 \)
D. \( q(x)=x-3, r(x)=7 x-9 \)
| 2 |
Maths
|
The radius of a sphere is changing at the rate of \( 0.1 \mathrm{cm} / \) sec. The rate of
change of its surface area when the radius is \( 200 \mathrm{cm}, \) is.
A \( \cdot 8 \pi c m^{2} / \) sec
В. \( 12 \pi c m^{2} / \)sec
c. \( 160 \pi c m^{2} / \) sec
D. \( 200 \pi c m^{2} / \) sec
| 2 |
Maths
|
Heart of rabbit does not have
A. Right auricle
B. sinus venosus
c. Conus arterious
D. Both B and C
| 0 |
Biology
|
The partial pressure of \( N_{2}, O_{2} \) and \( C O_{2} \)
in a vessel are \( 38 \mathrm{cm} \) of \( \mathrm{Hg}, 190 \) torr and
0.5 atm, respectively. The total pressure
of the mixture at the same temperature is?
A. 0.96 atm
B . 1.02 atm
c. 1.64 atm
D. 1.25 atm
| 1 |
Chemistry
|
Which of these are correct?
(a) If any two rows or columns of a determinant are identical, then the
value of the determinant is zero.
(b) If the corresponding rows and columns of a determinant are
interchanged, then the value of the determinant does not change.
(c) If any two rows (or column) of a determinant are interchanged, then the value of the determinant changes in
\( \operatorname{sign} \)
A \( \cdot(a) \) and \( (b) \)
B. \( (b) \) and \( (c) \)
c. \( (a) \) and \( (c) \)
D. \( (a),(b) \) and \( (c) \)
| 2 |
Maths
|
If the \( p^{t h}, q^{t h} \) and \( r^{t h} \) term of an
arithmetic sequence are \( a, b \) and \( c \)
respectively, then the value of \( [\boldsymbol{a}(\boldsymbol{q} \boldsymbol{r})+\boldsymbol{b}(\boldsymbol{r} \boldsymbol{p})+\boldsymbol{c}(\boldsymbol{p} \boldsymbol{q})]= \)
\( A \)
B. -
\( c \cdot c \)
D. \( 1 / 2 \)
| 2 |
Maths
|
Experts are worried about Taj mahal
because:
A. pollutants in air are discolouring its white marble
B. it is not only living organisms that get affected by polluted air
C. non-living things like buildings, monuments and statues also get affected
D. all of the above
| 1 |
Chemistry
|
Express in Degrees:
\( (a)\left(\frac{2 \pi}{15}\right)^{c} \)
\( (b)(-2)^{c} \)
A \( \cdot(a) 14^{\circ} \)
\( (b) 244^{\circ} 32^{\prime} 44^{\prime \prime} \)
B . \( (a) 74^{\circ} \)
\( (b)-114^{\circ} 32^{\prime} 44^{\prime \prime} \)
c. \( (a) 14^{\circ} \)
\( (b)-120^{\circ} 32^{\prime} 44^{\prime \prime} \)
D \cdot \( (a) 24^{\circ} \)
\( (b)-114^{\circ} 32^{\prime} 44^{\prime \prime} \)
| 2 |
Maths
|
When a body is placed on a surface, the
body exert a force equal to its weight on the surface, but the body does not move (or fall) because the
surface exerts equal and opposite forces.
A. Upwards
B. Downwards
c. Both
D. None
| 3 |
Physics
|
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