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Largest amount of fresh water occurs
A. As under ground water
B. In lakes and streams
c. As polar ice and glaciers
D. In rivers | 0 | Biology |
Write any two arithmetic progressions
with common difference 4 | 2 | Maths |
Choose a set of organisms showing bilateral symmetry.
A. Spongilla, Hydra, Ascaris
B. Sea fan, Sea cucumber, Cockroach
c. Earthworm, Octopus, Balanoglossus
D. Laccifer, Nereis, Ctenoplana | 0 | Biology |
Differentiate between primary
pollutants and secondary pollutants? | 1 | Chemistry |
The following are some statements about electrolysis:
I) Involves flow of electrons from anode to
cathode
II) Involves no chemical reaction at
electrodes
III) Oxidation occurs at anode and
reduction at cathode
IV) Anions migrate towards cathode
A. Only I and III are correct
B. Only I and II are correct
c. onlyı, I land III are correct
D. All are correct | 1 | Chemistry |
Solve \( 8 x-2 y=28 \) and \( x+4 y=-5 \) | 2 | Maths |
When a mercury thermometer is
inserted in a pot of hot water and the
reading is recorded, what temperature
¡s being
A. Average temperature of water and surroundings
B. Average temperature of thermometer
C. Average temperature of water and thermometer
D. Temperature difference between water and surroundings | 3 | Physics |
is the longest part of the alimentary
canal
A. Duodenum
B. Ileum
c. colon
D. Large intestine | 0 | Biology |
Which of the following statements about fungi is not true?
A. A hyphal fungus has a body called as a mycelium.
B. Hyphae are composed of individual mycelia.
C. Many fungi tolerate highly hyper-osmotic environments.
D. Many fungi tolerate low temperature. | 0 | Biology |
Solve: \( \int\left(\boldsymbol{x}+\frac{\mathbf{1}}{\boldsymbol{x}}\right)^{\mathbf{3}} \boldsymbol{d} \boldsymbol{x} \) | 2 | Maths |
In simple harmonic motion, loss of kinetic energy is proportional to
\( \mathbf{A} \cdot e^{x}^{x} \)
B \( \cdot x^{3} \)
\( c \cdot \log x \)
D. \( x^{2} \) | 3 | Physics |
Bond energy of \( F_{2}, C l_{2} \) and \( B r_{2} \) follow
the order:
A. \( F-F>C l-C l>B r-B r \)
в. \( C l-C l>B r-B r>F-F \)
c. \( B r-B r>C l-C l>F-F \)
D. \( C l-C l>F-F>B r-B r \) | 1 | Chemistry |
Which one will excrete silicates
consumed by earthworm along with food?
A. Intestinal cells
B. Basal cells
c. chloragogen cells
D. Flame cells | 0 | Biology |
Mixture containing one mole \( N a_{2} C O_{3} \)
and one mole \( N a H C O_{3} \) is heated. If
amount (in moles) of the residue is \( x \)
then \( 10 x \) is: | 1 | Chemistry |
Find out the efficiency of the heat engine if it produces \( 100 J \) of heat, does
\( 30 J \) of work, and emits \( 70 J \) into a cold
reservoir.
\( \mathbf{A} \cdot 100 \% \)
B. \( 70 \% \)
c. \( 42 \% \)
D. 40\%
E . \( 30 \% \) | 3 | Physics |
Assertion
Neurospora is commonly called water-
mould.
Reason
It belongs to basidomycetes fungi.
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 |
A wheel has angular acceleration of \( 3.0 \mathrm{rad} / \mathrm{s}^{2} \) and an intial angular speed
of 2.00 rad/s. In a time of \( 2 s \) it has rotated through an angle (in radians) of
\( \mathbf{A} \cdot \mathbf{6} \)
B. 10
c. 12
D. | 3 | Physics |
Find the radian measure of the interior
angle of regular hexagon. | 2 | Maths |
Simplify:
\( 4(x-5) \)
A \( .4 x-5 \)
B. \( 4 x-20 \)
c. \( 4 x+5 \)
D. \( 4 x+20 \) | 2 | Maths |
A machine gun of mass \( 12 \mathrm{kg} \) fires \( 25 \mathrm{g} \) bullets at the rate of 4 bullets per
second with a velocity of \( 500 \mathrm{m} s^{-1} \)
What force must be applied to the gun to hold it in position?
A. 20 N
B. 12.5 N
c. \( 50 \mathrm{N} \)
D. 75 N | 3 | Physics |
The final product obtained when boric acid is heated to red heat is :
A. metaboric acid
B. tetraboric acid
c. boron oxide
D. pyroboric acid | 1 | Chemistry |
If \( C= \) the velocity of light, which of the following is correct?
\( \mathbf{A} \cdot \mu_{0} \varepsilon_{0}=c \)
В. \( \mu_{0} \varepsilon_{0}=c^{2} \)
\( \mathbf{c} \)
D. \( _{\mu_{0} \varepsilon_{0}}=\frac{1}{c^{2}} \) | 3 | Physics |
Cohort is a group correlated with
A. species
B. Phylum
c. Families
D. Order | 0 | Biology |
If \( X \) is a non-metal. It will not conduct
electricity unless it is carbon in the form of :
A. Graphite
B. Diamond
c. Fullerene
D. None of these | 1 | Chemistry |
Which of the following reagents cannot be used for the preparation of hydrogen peroxide?
A. Sodium peroxide
B. 2- Ethylanthraquinol
c. Sodium thiosulphate
D. Barium Peroxide | 1 | Chemistry |
If \( \tan A, \tan B \) are the roots of \( x^{2}- \)
\( \mathbf{2} \boldsymbol{x}+\mathbf{2}=\mathbf{0} \) then \( \cot ^{2}(\boldsymbol{A}+\boldsymbol{B})= \)
A \( \cdot \frac{4}{5} \)
в. \( \frac{1}{2} \)
\( c \cdot \frac{3}{4} \)
D. | 2 | Maths |
While antacids and antiallergic drugs interfere with the function
of histamines, why do these not
interfere with the function of each other
\( ? \) | 1 | Chemistry |
The product \( (B): \)
\( A \)
B.
\( c \)
D. | 1 | Chemistry |
If the projections of the line segment \( A B \) on the coordinate axes are 2,3,6
then the square of the sine of the angle made by \( \boldsymbol{A B} \) with \( \boldsymbol{x}=\mathbf{0}, \) is
A \( \cdot \frac{3}{7} \)
B. \( \frac{3}{49} \)
\( c \cdot \frac{4}{7} \)
D. \( \frac{40}{49} \) | 2 | Maths |
Light is falling on surface \( \mathrm{S}_{1}, \mathrm{S}_{2}, \mathrm{S}_{3} \) as
shown in the figure. Surfaces on which the angle of incidence is equal to the angle of reflection is/are:
\( A \cdot S_{1} \) only
B. \( S_{1} \) and \( S_{2} \) only
\( c \cdot s_{2} \) and \( S_{3} \)
D. all the three surfaces | 3 | Physics |
Die \( A \) has 4 red and 2 white faces where
as die \( B \) has two red and 4 white faces.
\( A \) fair coin is tossed. If head turns up,
the game continues by throwing die \( A \)
if tail turns up then die \( B \) is to be used. If the first two throws resulted in
red, what is the probability of getting red face at the third throw?
\( A \cdot \frac{2}{5} \)
B. \( \frac{1}{5} \)
\( c \cdot \frac{3}{5} \)
D. \( \frac{1}{2} \) | 2 | Maths |
Find the measure of an angle in degrees formed by an arc of \( 2.5 \mathrm{cm} \) length at the centre of a circle with \( 15 \mathrm{cm} \) radius | 2 | Maths |
The nonzero real value of \( x \) for which \( \frac{(1+i x)(1+2 i x)}{1-i x} \) is purely real is
This question has multiple correct options
\( A \cdot \sqrt{2} \)
B.
c. \( -\sqrt{2} \)
D. none of these | 2 | Maths |
Value of \( x \) at which \( g(x) \) becomes zero
is
\( A \)
\( B \)
\( c \)
\( D \) | 2 | Maths |
In an experiment of single slit diffraction pattern, first minimum for red light coincides with first maximum
of some other wavelength. If wavelength
of red light is \( 6000 A^{\circ} \), then wavelength
of first maximum will be
A \( .3000 A^{\circ} \)
B . \( 4000 A^{\circ} \)
c. \( 5000 A^{\circ} \)
D. \( 6000 A^{\circ} \) | 3 | Physics |
Assertion
Sometime, a crackling sound is heard
while taking off sweater during winters.
Reason
This is due to static electric charges.
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 | 3 | Physics |
An alternating e.m.f. of \( \boldsymbol{E}= \) \( 100 \sin (100 \pi t) \) is connected to a choke of negligible resistance and current oscillations of amplitude 1 A
are produced. The inductance of the choke should be
\( \mathbf{A} \cdot 100 H \)
в. \( \frac{1}{\pi} H \)
c. \( 1 H \)
D. \( \pi H \) | 3 | Physics |
Scalar are quantity that are describe by
A. Direction
B. Magnitude and direction
c. Magnitude
D. Motion | 3 | Physics |
Which of the following are fissile isotopes?
This question has multiple correct options
A \( \cdot \frac{238}{92} U \)
В \( \cdot \frac{233}{92} U \)
\( \mathbf{c} \cdot_{94}^{239} \mathrm{Pu} \)
D \( \cdot \frac{203}{90} \mathrm{Th} \) | 3 | Physics |
State whether given statement is True or False.
Charges are incapable of passing from clouds to lightning rod.
A. True
B. False | 3 | Physics |
Evaluate : \( \quad \operatorname{lit}_{x \rightarrow 3} \frac{|x-3|}{x-3} \) | 2 | Maths |
Why are the "deflections caused by an
aluminum foil less than that of gold foil
in an \( \alpha \) -ray scattering experiment. Can these deflections be changed by
changing the kinetic energy of \( \alpha \) particles". | 3 | Physics |
In which of the following compounds, nitrogen cannotbe tested by Lassaigne's test?
A. \( C H_{3} C O N H_{2} \)
B. \( N H_{2} . N H_{2} . H_{2} O \)
c. \( C_{6} H_{5} N H_{2} \)
D. \( C_{6} H_{5} N O_{2} \) | 1 | Chemistry |
Compare the chemistry of the actinoids with that of lanthanoids with reference
to:
(i) electronic configuration (ii) oxidation states and (iii) chemical
reactivity | 1 | Chemistry |
Which metal is used to make alloy steel for armour plates, safes and helmets?
\( A \cdot A \)
в. мп
c. \( \mathrm{cr} \)
D. Pb | 1 | Chemistry |
One dyne is equal to:
A \( \cdot 9^{5} \) newton
B. \( 10^{-6} \) newton
c. \( 10^{6} \) newton
D. \( 10^{5} \) newton | 3 | Physics |
A river \( 400 m \) wide is flowing at a rate of
\( 2.0 m / s . A \) boat is sailing at a velocity of \( 10 m / s \) with respect to the water, in a direction perpendicular to the river. \( (\boldsymbol{a}) \) Find the time taken by the boat to reach the opposite bank.
(b) How far from the
point directly opposite to the starting point does the boat reach the opposite bank? | 3 | Physics |
The quantity of charge (in Faraday)
required to electrolyse \( 54 \mathrm{g} \mathrm{H}_{2} \mathrm{O} \) is : | 1 | Chemistry |
A button cell used in watches functions
as following:
\( \boldsymbol{Z n}(s)+\boldsymbol{A g}_{2} \boldsymbol{O}(s)+\boldsymbol{H}_{2} \boldsymbol{O}(l) \rightleftharpoons \)
\( 2 A g(s)+Z n^{2+}(a q)+2 O H^{-}(a q) \)
f half cell potentials are: \( Z n^{2+}(a q)+ \)
\( 2 e \rightarrow Z n(s) ; E^{0}=-0.76 V \)
\( A g_{2} O(s)+H_{2} O(l) 2 e \rightarrow 2 A g(s)+ \)
\( \mathbf{2} \boldsymbol{O} \boldsymbol{H}^{-}(\boldsymbol{a} \boldsymbol{q}), \boldsymbol{E}^{0}=\mathbf{0} . \boldsymbol{3} \mathbf{4} \boldsymbol{V} \)
The cell potential will be:
A . \( 1.10 V \)
B. \( 0.42 V \)
c. \( 0.84 V \)
D. \( 1.34 V \) | 1 | Chemistry |
Which of the following is not a reason
for using woolen clothes in Winter?
A. Wool is an insulator of heat.
B. It traps a layer of air in its fabric.
C. Air being an insulator doesn't allow body heat to escape into the atmosphere.
D. All the above | 3 | Physics |
Vapour pressure of water is \( 360 \mathrm{mm} \mathrm{Hg} \) how much urea should be added to 200
ml. water to reduce its vapour pressure by \( 0.5 \% ?(\text { Molecular weight of urea }=60) \) | 1 | Chemistry |
Name : The image which cannot be
obtained on the screen
This question has multiple correct options
A. Virtual image
B. Erect Image
c. Real Image
D. Inverted Image | 3 | Physics |
The number of spherical nodes in \( 3 p \) orbital is/are: | 1 | Chemistry |
Ar a selection, the probability of
selection of \( A \) is \( \frac{1}{7} \) and that of 8 is \( \frac{1}{5} . \) If \( A \)
and \( B \) are independent events, then the
probability that neither of them would
be selected is ? | 2 | Maths |
Four similar charges each of magnitude
\( Q \) are placed at the four comers of a
square of side 'a'. The intensity of the
electric field at the intersection of the
diagonal is
A. 0
в. \( \frac{Q}{4 \pi \varepsilon_{0} a^{2}} \)
c. \( \frac{4 Q}{4 \pi \varepsilon_{0} a^{2}} \)
D. \( \frac{Q}{8 \pi \varepsilon_{0} a^{2}} \) | 3 | Physics |
A dilute aqueous solution of sodium fluoride is electrolyzed, the products at the anode and cathode are:
A. \( O_{2}, H_{2} \)
в. \( F_{2}, \) Na
\( c \cdot O_{2}, N a \)
D. \( F_{2}, H_{2} \) | 1 | Chemistry |
\( A \) and \( B \) two events such that \( P(A \cap \)
\( \left.\boldsymbol{B}^{\prime}\right)=\mathbf{0 . 2 0}, \boldsymbol{P}\left(\boldsymbol{A}^{\prime} \cap \boldsymbol{B}\right)=\mathbf{0 . 1 5}, \) and
\( \boldsymbol{P}\left(\boldsymbol{A}^{\prime} \cap \boldsymbol{B}^{\prime}\right)=\mathbf{0 . 1 0}, \) then \( \boldsymbol{p}(\boldsymbol{A} / \boldsymbol{B}) \) is
This question has multiple correct options
\( ^{\mathbf{A}} \cdot P(A \mid B)=\frac{2}{5} \)
в. \( P(A)=0.3 \)
c. \( P(A \cup B)=0.45 \)
D. \( P(B \mid A)=\frac{1}{3} \) | 2 | Maths |
If \( \vec{a} \) is vector of magnitude \( x, m \) is nonzero scalar and \( m \vec{a} \) is a unit vector
then \( x \) in terms of \( \mathrm{m} \) is:
\( \mathbf{A} \cdot m=x \)
в. \( x=|m| \)
c. \( x=\frac{1}{|m|} \)
D. \( x=m / 2 \) | 2 | Maths |
The total number of local maxima and
local minima of the function \( \boldsymbol{f}(\boldsymbol{x})= \) \( \left\{\begin{array}{cc}(2+x)^{3}, & -3<x \leq-1 \\ x^{2 / 3}, & -1<x<2\end{array}\right. \)
\( A \cdot O \)
B.
\( c \cdot 2 \)
\( D \) | 2 | Maths |
What mass of an organic compound
\( \left(M w_{0}=156\right) \) must be dissolved in 50
\( \mathrm{mL} \) of an organic solvent \( \left(\boldsymbol{d}=\mathbf{0 . 9 g c c}^{-1}\right) \)
water to lower the freezing point by \( 0.48^{\circ} \mathrm{C} . K_{f} \) of benzene \( =5.12 \) | 1 | Chemistry |
B is said to be a skew symmetric
matrix, if
A. \( B^{T}=B \)
B. B = 0
\( c \cdot B=-B \)
D. \( B^{T}=-B \) | 2 | Maths |
When caustic soda is manufactured
from sea water, one of the important by-
products is:
A . potash
B. chlorine
c. chromium
D. fertilizer | 1 | Chemistry |
Indian cricket team won 4
more matches than it lost with New Zealand. If it won \( \frac{3}{5} \) of its matches, how many matches did India
play?
A . 8
B. 12
c. 16
D. 20 | 2 | Maths |
If \( |z|=\max \{|z-1|,|z+1|\} \) then
A \( \cdot|z+\bar{z}|=\frac{1}{2} \)
B. \( z+\bar{z}=1 \)
c. \( |z+\bar{z}|=1 \)
D. None of these | 2 | Maths |
An unlabeled analog clock is kept in
front of mirror. Actual time on clock is 3
What is time in the mirror image?
\( A \cdot 3 \)
B. 9
c. 6.15
D. 9.30 | 3 | Physics |
If \( \alpha \) and \( \beta \) are zeroes of the polynomial \( 2 x^{2}+3 x+7 . \) Find a quadratic
polynomial whose zeroes are \( \frac{1}{\alpha^{2}} \& \frac{1}{\beta^{2}} \)
A \( \cdot 49 x^{2}+18 x+4 \)
B . \( 49 x^{2}-18 x+4 \)
c. \( 49 x^{2}-23 x-4 \)
D. \( 49 x^{2}-21 x+4 \) | 2 | Maths |
Q Type your question-
uniformly distributed over its
circumference is hanging by a
insulated thread with the help of a
small smooth ring (not rigidly fixed with bigger ring). A time varying magnetic
field \( B=B_{0} \sin \omega t \) is switched on at \( t \)
\( =0 \) and the ring is released at the
same time.The average magnetic
moment of Ring in time interval 0 to
is
A \( \cdot \frac{B_{0} q^{2} R^{2}}{2 \pi m} \)
B. \( \frac{B_{0} q^{2} R^{2}}{4 \pi m} \)
c. \( \frac{B_{0} q^{2} R^{2}}{\pi m} \)
D. zer | 3 | Physics |
locate the point representing the
complex numbers \( z \) on the Argand diagram for which
\( |z| \geq 3 \) | 2 | Maths |
The first enzyme isolated in crystalline
form was
A . Catalase
B. Urease
c. Peroxidase
D. Amylase | 0 | Biology |
The arithmetic mean of first five natural
number is
A . 2
B. 3
\( c \cdot 4 \)
\( D \) | 2 | Maths |
Thermoflasks and doors of refrigerators
have two layered structure with an
insulator in between so as:
B. not to let heat flow through it
c. to make it stronger | 3 | Physics |
Which of the following is anhydride of
\( \boldsymbol{H} \boldsymbol{N} \boldsymbol{O}_{3} ? \)
A . \( N O \)
B. \( N_{2} O_{3} \)
c. \( N_{2} O_{5} \)
D. \( N O_{2} \) | 1 | Chemistry |
How many equally stable resonating
structures are possible for tropylium cation?
A .2
B. 4
\( c .5 \)
D. 7 | 1 | Chemistry |
Which waves are used in sonography?
A. Microwaves
B. Infrared rays
c. Radio waves
D. Ultrasonic waves | 3 | Physics |
In which furnace the smelting is done? | 1 | Chemistry |
Solve the inequalities for real \( x \) \( \mathbf{2}(\mathbf{2} \boldsymbol{x}+\mathbf{3})-\mathbf{1 0}<\mathbf{6}(\boldsymbol{x}-\mathbf{2}) \) | 2 | Maths |
If \( y=\tan ^{-1}\left(\frac{2 x}{1-x^{2}}\right)+ \)
\( \tan ^{-1}\left(\frac{3 x-x^{3}}{1-3 x^{2}}\right) \)
\( \tan ^{1}\left(\frac{4 x-4 x^{3}}{1-6 x^{2}+x^{4}}\right) \) then Show that
\( \frac{\boldsymbol{d} \boldsymbol{y}}{\boldsymbol{d} \boldsymbol{x}}=\frac{\mathbf{1}}{\mathbf{1}+\boldsymbol{x}^{2}} \) | 2 | Maths |
The tangent drawn at the end point of two pependicular diameter of a circle. prove that \( \mathrm{PQ} \) and \( \mathrm{RS} \) are parallel | 2 | Maths |
There are \( 6 \% \) defective items in a large
bulk of items. Probability that a sample of 8 items will include not more than
one defective items is \( 1.42 \times(0.94)^{x} \)
What is the value of \( x \) | 2 | Maths |
Magnetic flux linked with a coil is \( \phi= \) \( 5 t^{2}+2 t+3, \) where \( t \) is second and \( \phi \) is
in weber. At time \( t=1 \) s, the value of induced emf is volt
A . 14
B. 1.
c. 12
D. 6 | 3 | Physics |
Which can show linkage isomerism?
\( \mathbf{A} \cdot\left[\operatorname{Cr}\left(H_{2} O\right)_{5} C l\right] C l_{2} \)
в. \( \left[C r\left(H_{2} O\right)_{6}\right] C l_{3} \)
\( \mathbf{c} \cdot\left[C o\left(N H_{3}\right)_{5}(C N)\right] C l_{2} \)
D. \( \left[\operatorname{Co}\left(N H_{3}\right)_{5} S O_{4}\right] B r \) | 1 | Chemistry |
A rocking chair is an example of
A. Periodic motion
B. Translatory motion
c. Rotatory motion
D. None of the above | 3 | Physics |
Find the eccentricity, foci, length of the Latus rectum and the equations of directrices of the ellipse \( 9 x^{2}+16 y^{2}= \)
\( \mathbf{1 4 4} \) | 2 | Maths |
Nitrogen can be purified from the impurities of oxides of nitrogen and ammonia by passing through:
A. concentrated \( H C l \)
B. alkaline solution of pyrogallol
c. a solution of \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \) with \( \mathrm{H}_{2} \mathrm{SO}_{4} \)
D. a solution of \( K O H \) | 1 | Chemistry |
Electric charges -q, -q, -q and 3q are
placed at the corners of a square ABCD
of length/as shown in figure. The magnitude of electric dipole moment of
the system is
\( A \cdot \sqrt{2 q} \)
B. 9
\( c \cdot 2 q \)
D. \( 2 \sqrt{2} q l \) | 3 | Physics |
Correct order of resistivity of materials
\( \operatorname{at} 20^{\circ} C: \)
A. Conductors \( \rightarrow \) Insulators \( \rightarrow \) Alloys
B. Alloys \( \rightarrow \) Insulators \( \rightarrow \) Conductors
c. Alloys \( \rightarrow \) conductors \( \rightarrow \) Insulators
D. conductors \( \rightarrow \) Alloys \( \rightarrow \) Insulators | 3 | Physics |
The number of turns in the primary coil
of a transformer is 200 and the number
turns in the secondary coil is 10 If 240 volt a.c is applied to the primary the output from seconsry will be:
A . 48 v
B. 24
c. \( 12 \mathrm{v} \)
\( D \cdot 6 v \) | 3 | Physics |
The rainfall ( in \( \mathrm{mm} \) ) in a city on 7 days
of a certain week was recorded as
follows:
Days Mon Tue Wed Thurs
Rainfall
2.2
i) Find the range of the rainfall in the
above data. | 2 | Maths |
There are 4 cards numbered 1,3,5 and
\( 7, \) one number on one card. Two cards
are drawn at random without
replacement. Let \( X \) denote the sum of the numbers on the two drawn cards. Find the mean and variance of \( \boldsymbol{X} \) | 2 | Maths |
The process which removes volatile
impurities from calamine is called calcination.
A. True
B. False | 1 | Chemistry |
If a line has direction ratios 2,-1,-2 determine its direction cosines.
A \( \cdot \frac{1}{3},-\frac{1}{3},-\frac{1}{3} \)
B \( \cdot_{3,-\frac{1}{3},-2} \)
c. \( \frac{2}{3},-\frac{1}{3},-\frac{2}{3} \)
D. \( 2,-\frac{1}{3},-\frac{2}{3} \) | 2 | Maths |
Which of the following fraction of coal tar distillation is obtained at \( 270^{\circ}- \)
\( 360^{\circ} \mathrm{C} ? \)
A. Light Oil
B. Middle oil
c. Green Oil
D. All of the above | 1 | Chemistry |
An inductor and a resistor are
connected to an ac supply of \( 50 V \) and
\( \mathbf{5 0} \boldsymbol{H} \boldsymbol{z} . \) If the voltage across the resistor
is \( 40 V \) the voltage across the inductor
will be:
A . \( 10 V \)
в. \( 20 V \)
\( c .30 V \)
D. \( 60 V \) | 3 | Physics |
Neutron decay in the free space is given
as follows:
\( \mathbf{o} \boldsymbol{n}^{\mathbf{1}} \rightarrow_{\mathbf{1}} \boldsymbol{H}^{\mathbf{1}}+_{-\mathbf{1}} \boldsymbol{e}^{\mathbf{0}}+[\mathbf{j}] \)
Then, the parenthesis represents
A. photon
B. graviton
c. neutrino
D. antineutrino | 3 | Physics |
(i) Write the structural formula of
acetic acid.
(ii) Write the electron dot structure of
ethane.
(iii) Explain odd atom by an example.
(iv) Select unsaturated hydrocarbon in
\( \boldsymbol{C}_{2} \boldsymbol{H}_{6}, \boldsymbol{C}_{3} \boldsymbol{H}_{4}, \boldsymbol{C}_{3} \boldsymbol{H}_{8} \) and \( \boldsymbol{C}_{2} \boldsymbol{H}_{4} \)
(v) Write a difference between soap and
detergents. | 1 | Chemistry |
Cards marked with number 2 to 101 are
placed in a box and mixed thoroughly. One card is drawn from this box. Find
the probability that the number of the card is an even number | 2 | Maths |
Sl unit of \( G \) is \( N m^{2} k g^{-2} . \) Which of the following can also be used as the Sl unit
of G?
A \( \cdot m^{3} k g^{-1} s^{-2} \)
B . \( m^{2} k g^{-2} s^{-1} \)
c. \( m k g^{-3} s^{-1} \)
D. \( m^{2} k g^{-3} s^{-2} \) | 3 | Physics |
Match the columns
\( \begin{array}{llll} & \text { । } & \text { I } & \\ \text { a } & \text { Aerobic } & \text { I } & \text { Frankia } \\ \text { b } & \text { Cyanobacteria } & 2 . & \text { Azospirilum } \\ \text { c. } & \text { Casuarina } & 3 . & \text { Clostridum } \\ \text { d. } & \text { Tropical grasses } & 4 . & \text { Aulosira } \\ & & 5 . & \text { Azotobacter }\end{array} \)
\( \mathbf{A} \)
\( a-4, b-3, c-2, d-1 \)
B. \( a-5, b-3, c-4, d-1 \)
c. \( a-5, b-4, c-1, d-2 \)
D. \( a-3, b-5, c-4, d-2 \)
E \( . a-2, b-1, c-3, d-5 \) | 0 | Biology |
Emulsions of polyvinyl acetate are used
in:
A. polishes
B. latex paints
c. fireworks
D. rayons | 1 | Chemistry |
toppr \( t \)
Q Type your question-
\( \sqrt{1} \cdot \frac{1}{2} \)
\( A \)
\begin{tabular}{|c|c|c|}
\hline \( \mathbf{A} \) & \( \mathbf{B} \) & \( \mathbf{Y} \) \\
\hline \( \mathbf{0} \) & \( \mathbf{0} \) & \( \mathbf{0} \) \\
\( \mathbf{1} \) & \( \mathbf{0} \) & \( \mathbf{0} \) \\
\( \mathbf{0} \) & \( \mathbf{1} \) & \( \mathbf{0} \) \\
\( \mathbf{1} \) & \( \mathbf{1} \) & \( \mathbf{1} \) \\
\hline
\end{tabular}
в. \begin{tabular}{|c|c|c|}
\hline \( \mathbf{A} \) & \( \mathbf{B} \) & \( \mathbf{Y} \) \\
\hline \( \mathbf{0} \) & \( \mathbf{0} \) & \( \mathbf{0} \) \\
\( \mathbf{1} \) & \( \mathbf{0} \) & \( \mathbf{1} \) \\
\( \mathbf{0} \) & \( \mathbf{1} \) & \( \mathbf{1} \) \\
\( \mathbf{1} \) & \( \mathbf{1} \) & \( \mathbf{1} \) \\
\hline
\end{tabular}
\( c \)
\begin{tabular}{|c|c|c|}
\hline \( \mathbf{A} \) & \( \mathbf{B} \) & \( \mathbf{Y} \) \\
\hline \( \mathbf{0} \) & \( \mathbf{0} \) & \( \mathbf{1} \) \\
\( \mathbf{1} \) & \( \mathbf{0} \) & \( \mathbf{0} \) \\
\( \mathbf{0} \) & \( \mathbf{1} \) & \( \mathbf{0} \) \\
\( \mathbf{1} \) & \( \mathbf{1} \) & \( \mathbf{0} \) \\
\hline
\end{tabular}
D. \begin{tabular}{|c|c|c|}
\hline \( \mathbf{A} \) & \( \mathbf{B} \) & \( \mathbf{Y} \) \\
\hline \( \mathbf{0} \) & \( \mathbf{0} \) & \( \mathbf{1} \) \\
\( \mathbf{1} \) & \( \mathbf{0} \) & \( \mathbf{1} \) \\
\( \mathbf{0} \) & \( \mathbf{1} \) & \( \mathbf{1} \) \\
\( \mathbf{1} \) & \( \mathbf{1} \) & \( \mathbf{0} \) \\
\hline
\end{tabular} | 3 | Physics |
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