text
stringlengths 1
4.32k
| label
int64 0
3
| label_text
stringclasses 4
values |
|---|---|---|
A compound of vanadium possesses a
magnetic moment of 1.73 BM. The oxidation state of vanadium in this
compounds is :
A
B. 2
\( c \cdot 4 \)
D. can not be predicted
| 1 |
Chemistry
|
The velocity of the electron in the first orbit of H-atom as compared to the velocity of light is:
A \( \cdot \frac{1}{10} t h \)
B. \( \frac{1}{100} t h \)
c. \( \frac{1}{1000} \) th
D. None of the above
| 1 |
Chemistry
|
The power (in diopters) of an equiconvex lens with radii of curvature
of \( 10 \mathrm{cm} \) and refractive index of \( 1.6 \mathrm{is} \)
A. -12
B. +12
\( c .+1.2 \)
D. \( -1 / 2 \)
| 3 |
Physics
|
Three binders and four notebooks cost a
total if \( \$ 4.32 . \) One binder and five note-
books cost \( \$ 3.97 . \) What is the cost of
one notebook?
A . 0.50
B. 0.69
c. 0.72
D. 0.79
| 2 |
Maths
|
According to Werner's theory the primary valency and secondary valency in complex \( \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl} \) is
respectively:
\( A \cdot 3,3 \)
B. 3,6
\( c \cdot 6,3 \)
\( D \cdot 4,2 \)
| 1 |
Chemistry
|
Potentiometer measures the potential difference more accurately than a voltmeter because:
A. it has a wire of high resistance
B. it has a wire of low resistance
c. it does not draw current from external circuit
D. it draws a heavy current from external circuit
| 3 |
Physics
|
If every particle of fluid has irregular flow, then flow is said to be
A. laminar flow
B. turbulent flow
C. fluid flow
D. both \( A \) and \( B \)
| 3 |
Physics
|
Four identical charges of charge \( q \) are
placed at the corners of a square of
sides r as shown above. Find the
magnitude of the net force acting on a
charge of magnitude \( 2 q \) placed in the
center of the square.
\( \mathbf{A} \cdot \mathbf{0} \)
\( \mathbf{B} \cdot \frac{2 k q^{2}}{r^{2}} \)
\( \mathbf{c} \cdot \frac{4 k q^{2}}{r^{2}} \)
D. \( \frac{16 k q^{2}}{r^{2}} \)
E \( \cdot \frac{\text { g } 2 k q^{2}}{r^{2}} \)
| 3 |
Physics
|
A straight wire of finite length carrying
current I subtends an angle of \( 60^{\circ} \) at
point \( P \) as shown. The magnetic field at
P is:
\( ^{\mathrm{A}} \cdot \frac{\mu_{0} I}{2 \sqrt{3} \pi x} \)
B. \( \frac{\mu_{0} I}{2 \pi x} \)
c. \( \frac{\sqrt{3} \mu_{0} I}{2 \pi x} \)
D. \( \frac{\mu_{0} I}{3 \sqrt{3} \pi x} \)
| 3 |
Physics
|
The rate reaction is measured either by
an increase in the amount of
products or by the decrease in the amount of reactants per unit interval of time.
A. True
B. False
| 1 |
Chemistry
|
If a coin is tossed, then the probability
that a head turns up is
A \( \cdot \frac{1}{2} \)
B.
\( c \cdot \frac{1}{3} \)
D. \( \frac{1}{6} \)
| 2 |
Maths
|
Mirage is an example of
| 3 |
Physics
|
Check whether the given equation is a
quadratic equation or not. \( x^{2}+2 \sqrt{x}-3 \)
A. True
B. False
| 2 |
Maths
|
The number of boys and girls in a class are in the ratio \( 7: 5 . \) The number of boys
is 8 more than the number of girls. What is the total class strength?
\( \mathbf{A} \cdot 48 \)
B. 47
c. 46
D. 45
| 2 |
Maths
|
Coagulation value of the electrolytes
\( A l C l_{3} \) and \( N a C l \) for \( A s_{2} S_{3} \) sol are
0.093 and 52 repectively. How many
times \( A l C l_{3} \) has greater coagulating
power than \( N a C l ? \)
A . 930
в. 520
\( c .560 \)
D. None of these
| 1 |
Chemistry
|
What fraction of the assimilated energy
is used in respiration by the herbivores?
A. 10 percent
B. 60 percent
c. 30 percent
D. 80 percent
| 0 |
Biology
|
Identify the wrong statement for long
form of periodic table.
A. It reflects the sequence of filling the electrons in the order of energy levels \( \mathrm{K}, \mathrm{L}, \mathrm{M}, \mathrm{N} \)
B. It helps to predict the stable valence states of the elements
C. It reflects trends in physical and chemical properties of the elements
D. It helps to predict the relative ionicity of the bond between any two elements
| 1 |
Chemistry
|
Which of the following does not participate in Carbylamine reaction?
A. Aniline
B. Chloroform
c. Ethanal
D. кон
| 1 |
Chemistry
|
The repeating unit of PTFE
is
A. \( C l_{2} C H-C H_{3} \)
в. \( F_{2} C=C F_{2} \)
\( \mathbf{c} \cdot F_{3} C-C F_{3} \)
D. \( F C l C=C F_{2} \)
| 1 |
Chemistry
|
Find two fractions having 7 and 9 for their denominators, and such that their sum is \( 1 \frac{10}{63} \)
| 2 |
Maths
|
If \( \boldsymbol{y}=\boldsymbol{e}^{\boldsymbol{x}^{2}}, \) then what is \( \frac{\boldsymbol{d} \boldsymbol{y}}{\boldsymbol{d} \boldsymbol{x}} \) at \( \boldsymbol{x}=\boldsymbol{\pi} \)
equal to?
\( \mathbf{A} \cdot(1+\pi) e^{\pi^{2}} \)
В . \( 2 \pi e^{\pi^{2}} \)
\( \mathbf{c} \cdot 2 e^{\pi^{2}}^{2} \)
D \cdot \( e^{\pi^{2}} \)
| 2 |
Maths
|
(i) Why does the Sun appear red at
sunrise?
(iii) Name the subjective property of
light related to its wavelength.
| 3 |
Physics
|
The molecular interactions responsible for hydrogen bonding in HF:
A. ion induced dipole
B. dipole dipole
c. dipole induced dipole
D. none
| 1 |
Chemistry
|
The reagents \( X \) and \( Y \) are respectively:
A \( \cdot X=C H_{3} C O C l / A l C l_{3}, Y=K M n O_{4} / O H^{\Theta} / \Delta \)
(acidification)
B. \( X=C H_{3} C H_{2} C l / A l C l_{3}, Y=C r O_{3} / H^{+} / \Delta \)
C. \( X=C H_{3} C O C l / A l C l_{3}, Y=I_{2} / N a O H, \) (acidification)
D. \( X=K M n O_{4} / O H^{\Theta} / \Delta, \) (acidification), \( Y= \)
\( C H_{3} C H_{2} C l / A l C l_{3} \)
| 1 |
Chemistry
|
Find the slope of a line passing through the following points:
\( \left(a t_{1}^{2}, 2 a t_{1}\right) \) and \( \left(a t_{2}^{2}, 2 a t_{2}\right) \)
A. \( \frac{2}{t_{2}-t_{1}} \)
в. \( \frac{2}{t_{2}+t_{1}} \)
c. \( \frac{1}{t_{2}+t_{1}} \)
D. None of these
| 2 |
Maths
|
Line segment \( A B \) is parallel to another
ine-segment \( C D, O \) is the midpoint of
AD.Show that \( \triangle A O B \cong \triangle D O C \)
| 2 |
Maths
|
\( \frac{0}{\frac{0}{6}} \)
| 1 |
Chemistry
|
Equal masses of \( S_{2}, S_{4} \) and \( S_{8} \) are
taken. Highest number of free species are present in:
A. \( S_{2} \)
в. \( S_{4} \)
\( \mathrm{c} \cdot S_{8} \)
D. all have same number of molecule
| 1 |
Chemistry
|
The value of \( \frac{\overline{\mathbf{5}}}{\mathbf{5}} \) is
\( A \cdot \frac{2}{25} \)
B. \( \frac{10}{5} \)
\( c \cdot \frac{2}{5} \)
D. None of the above
| 2 |
Maths
|
In the following figure the current
through \( 4 \Omega \) resistor is
\( 4 \cdot 1.4 \mathrm{A} \)
B. \( 0.4 \mathrm{A} \)
\( c \cdot 1.0 A \)
D. 0.7
| 3 |
Physics
|
National Forest Policy of India has recommended (i) forest cover for the plains and (ii) for the hills.
\( A \cdot \) (i) 33\% (ii) 67\%
B. (i) 67\% (ii) 33\%
c. (i) 50\% (ii) 50\%
D. (i) 40\% (ii) 60\%
| 0 |
Biology
|
The compound which gives off oxygen on moderate heating is :
A. Cupric oxide
B. Mercuric oxide
c. zinc oxide
D. Aluminium oxide
| 1 |
Chemistry
|
The sides \( A B, B C, C A \) of a triangle \( A B C \) have 3,4 and 5 interior points
respectively on them. The number of triangles that can be constructed using these points as vertices is
A . 205
в. 210
c. 315
D. 216
| 2 |
Maths
|
Derive an expression for the intensity of magnetic field on broad side on position due to a bar magnet.
| 3 |
Physics
|
Which of the following is a transcription factor produced by a regulatory gene?
A. A promoter
B. An operon
c. A cofactor
D. A repressor
| 0 |
Biology
|
Green-house gases are
A. Absorbers of long wave radiations from earth.
B. Transparent to both solar radiation and long wave radiation from earth.
C. Absorbers of solar radiation for warming the atmosphere of earth.
D. Transparent to emissions from earth for passage into
outer space.
| 0 |
Biology
|
In the reaction of phenol with \( \boldsymbol{C} \boldsymbol{H} \boldsymbol{C l}_{3} \)
and aqueous \( N a O H, \) the electrophile attacking the ring is:
A. \( C H C l_{3} \)
в. \( C H C l_{2} \)
\( \mathbf{c} \cdot: C C l_{2} \)
D. \( C O C l_{2} \)
| 1 |
Chemistry
|
Jaundice is due to
A. Excessive intake of curcuma
B. Excessive intake of Sugar
c. Pork
D. Contaminated water
| 0 |
Biology
|
Biochemical reactions are carried out
by enzymes
A. By decreasing the energy of the reactants
B. By increasing the activation energy of the reaction
C. By decreasing the activation energy of the reaction
D. By increasing the energy of the products of the reaction
E. By decreasing the energy of the products of the reaction
| 0 |
Biology
|
Two coherent sources of intensity ratio
9: 4 produce interference. The intensity
ratio of maxima and minima of the
interference pattern is:
\( \mathbf{A} \cdot 13: 5 \)
B. 5: 1
c. 25: 1
D. 3: 2
| 3 |
Physics
|
Two particles \( A \) and \( B \) have de-Broglie's wavelengths \( 30 A \) and \( 20 A, \) combined to form a particle C. Momentum is conserved in this process. The possible de-Broglie's wavelength of C is :
(the motion is one dimensional)
A \( \cdot 12 \AA \)
в. 20 ,
\( c .10 \hat{A} \)
D. 22 a
| 3 |
Physics
|
A polymer of prop- 2 -ene nitrile is called:
A. Saran
B. Orlon
c. Dacron
D. Tereylene
| 1 |
Chemistry
|
Right sequence in increasing
magnitude is:
A. decade, second, week, nanosecond
B. nanosecond, week, second, decade
c. nanosecond, second, week, decade
D. nanosecond, decade, second, week
| 3 |
Physics
|
The equation \( _{-}-_{-}-_{-}--_{-}- \) and \( 2 x+ \)
\( 2=0 \) have the same solution.
A \( . x-1=0 \)
B . \( x+1=0 \)
c. \( x-2=0 \)
D. \( x+2=0 \)
| 2 |
Maths
|
Chief components of Hill's reaction used in Blackman's reaction are
A. ATP and NAD
B. ADP and NADP
c. ATP and \( N A D P H_{2} \)
D. All of the above
| 0 |
Biology
|
The laws governing the movement of celestial bodies are studied under the
branch of physics called
A. spintronics
B. astrophysics
c. nuclear physics
D. nano physics
| 3 |
Physics
|
Consider the time interval \( t=2.0 s \) to
\( \boldsymbol{t}=\mathbf{4} . \mathbf{0} \boldsymbol{s} \)
The magnetic field is perpendicular to
the plane of the loop.
| 3 |
Physics
|
Which of the following \( 3^{\circ} \) alcohols does
propyl ester give during reaction with
Et MgBr?
\( A \)
B.
\( c \)
\( D \)
| 1 |
Chemistry
|
composite tube as shown in the Figure
14.24. The radius of the semicircular
portion of the tube is \( r . \) The speed of
sound in air is \( v . \) The source of sound is
capable of giving sound of varied
frequency. If \( n \) is an integer then frequency for maximum intensity is given by:
\( \mathbf{A} \cdot n v / r \)
в. \( n v / r(\pi-2) \)
c. \( n v / \pi r r \)
D. \( n v / \pi(r-2) \)
| 3 |
Physics
|
If \( 0 \leq x \leq \pi \) and \( 81^{\sin ^{2} x}+81^{\cos ^{2} x}=30 \)
then \( x \) is equal to:
A \( \cdot \frac{\pi}{6} \)
в. \( \frac{\pi}{2} \)
c.
D. \( \frac{3 \pi}{4} \)
| 2 |
Maths
|
Tangents PA and PB drawn to \( x^{2}+y^{2}= \)
9 from any arbitrary point 'P' on the line \( x+y=25 . \) Locus of midpoint of chord
\( A B \) is
A \( \cdot 25\left(x^{2}+y^{2}\right)=9(x+y) \)
B . \( 25\left(x^{2}+y^{2}\right)=3(x+y) \)
C. \( 5\left(x^{2}+y^{2}\right)=3(x+y) \)
D. None of these
| 2 |
Maths
|
In breathing movements, air volume can be estimated by
A. stethoscope
B. hygrometer
c. sphygmomanometer
D. spirometer
| 0 |
Biology
|
Solve \( \int_{0}^{1}|\boldsymbol{x}| \boldsymbol{d} \boldsymbol{x} \)
| 2 |
Maths
|
Viscosity of a liquid arises due to strong intermolecular forces existing between the molecules. Stronger the intermolecular forces, greater is the viscosity. Name the intermolecular forces
existing in the following liquids: Water and glycerine
A. Hydrogen bonding
B. London forces
c. vander waal 's forces
D. Steric repulsion
| 1 |
Chemistry
|
Select the incorrect option regarding digestion and absorption of substances in different parts of digestive system.
A. In large intestine, absorption of water, some minerals and drugs take place
B. Absorption of water, simple sugars and alcohol takes place in stomach
c. Small intestine is the principal organ for absorption of nutrients
D. The digestion is completed in large intestine
| 0 |
Biology
|
frictionless surface of an inclined plane,
as shown in the figure. The angle of the
incline suddenly changes from \( 60^{\circ} \) and
\( 30^{\circ} \) at point \( B \)
The block is initially at rest at \( \boldsymbol{A} \)
Assume that collisions between the
block and the incline are totally
inelastic. The speed of the block at point
\( B \) immediately after it strikes the
second incline is
\( \mathbf{A} \cdot \sqrt{60} m / s \)
B. \( \sqrt{45} \mathrm{m} / \mathrm{s} \)
\( \mathbf{c} \cdot \sqrt{30} m / s \)
D. \( \sqrt{15} \mathrm{m} / \mathrm{s} \)
| 3 |
Physics
|
The mode of the distribution
\begin{tabular}{lccccc}
Marks & 4 & 5 & 6 & 7 & 8 \\
No. of students & 6 & 7 & 10 & 8 & 3 \\
\hline
\end{tabular}
A. 5
B. 6
\( c \cdot 8 \)
D. 10
| 2 |
Maths
|
A function \( \boldsymbol{f}: \boldsymbol{R} \rightarrow \boldsymbol{R} \) is defined as
\( f(x)=x^{3}+4 . \) Is it a bijection or not? In
case it is a bijection, then find \( \boldsymbol{f}^{-1}(\mathbf{3}) \)
| 2 |
Maths
|
How many sets had more even than
negative numbers?
Negative and Even Number Distributions
DNegative Numbers DEven Numbers
\( A \cdot 0 \)
B.
\( c \cdot 2 \)
\( D .3 \)
| 2 |
Maths
|
Match the column I with column II and
choose the correct option.
\( \begin{array}{llll}\text { Column I } & & \text { Column II } \\ \begin{array}{l}\text { Synaptonemal } \\ \text { complex }\end{array} & \text { 1) } & \text { Zygotene } \\ \text { b) } & \begin{array}{l}\text { Recombination } \\ \text { nodules }\end{array} & \text { 2) } & \text { Pachytene } \\ \text { c) } & \begin{array}{l}\text { Activation of } \\ \text { recombinase } \\ \text { enzyme }\end{array} & \text { 3) } & \text { Diplotene } \\ \text { d) } & \begin{array}{l}\text { Termination of } \\ \text { chiasmata }\end{array} & \text { 4) } & \text { Diakinesis }\end{array} \)
\( A \cdot a-1, b-2, c-3, d-4 \)
\( B \cdot a-1, b-2, c-4, d-3 \)
\( c \cdot a-1, b-4, c-2, d-3 \)
\( D \cdot a-1, b-3, c-2, d-4 \)
| 0 |
Biology
|
If \( ^{n} C_{6}:^{n-3} C_{3}=33: 4, \) find \( n \)
| 2 |
Maths
|
Magnetic flux through a circuit of
resistance \( 20 \Omega \) is changed from 20 Wb to \( 40 \mathrm{Wb} \) in \( 5 \mathrm{ms} \). Charge passed through the circuit during this time is
A . \( 1 \mathrm{c} \)
B. 2
c. zero
D. \( 0.5 \mathrm{c} \)
| 3 |
Physics
|
Which of the following substances undergo(s) disproportionation reactions under basic medium?
This question has multiple correct options
A. \( F_{2} \)
в. \( P_{4} \)
\( \mathrm{c} \cdot S_{8} \)
D. \( B r_{2} \)
| 1 |
Chemistry
|
ICBN is
A. International Code of Botanical Naming
B. International Code of Botanical Nomenclature
C. International Class of Botanical Nomenclature
D. International Classification of Botanical
Nomenclature
| 0 |
Biology
|
describe briefly any one way of
inducing e.m.f.
| 3 |
Physics
|
Let 'a' be a positive constant number.
Consider two curves \( C_{1}: y=e^{x}, C_{2} \)
\( y=e^{a-x} . \) Let \( S \) be the area of the part
surrounded by \( C_{1}, C_{2} \) and the \( y \) -axis,
then
A \( \cdot \lim _{a \rightarrow \infty} S=1 \)
B. \( \lim _{a \rightarrow 0} \frac{S}{a^{2}}=\frac{1}{4} \)
C. Range of \( \operatorname{sis}(0, \infty) \)
D. S(a) is neither odd nor even
| 2 |
Maths
|
Molar mass of \( C_{2} H_{6}(\text { in } g) \) is :
| 1 |
Chemistry
|
The group or radical derived by removal
of one hydrogen atom of an alkyne is known as alkynyl radical.
A. True
B. False
| 1 |
Chemistry
|
Statement 1: An element that has an
electron configuration of \( 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{3} 4 s^{2} \) is a transition
element.
Statement 2: The transition elements
from scandium to zinc are filling the \( 3 d \)
orbitals.
A. Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.
B. Both Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1.
c. Statement 1 is correct but Statement 2 is not correct.
D. Statement 1 is not correct but Statement 2 is correct.
E. Both the Statement 1 and Statement 2 are not correct.
| 1 |
Chemistry
|
Which of the following can be used to
prove that \( \Delta A B C \cong \Delta S R T ? \)
\( A \cdot A S A \)
B. SAS
C . RHS
D. AAA
| 2 |
Maths
|
For a given reaction, pressure of catalyst reduces the energy of
activation by 2 kcal at \( 27^{0} C . \) The rate of reaction will be increased by:
A. 20 times
B. 14 times
c. 28 times
D. 2 times
| 1 |
Chemistry
|
On the earth, a Sumo of \( 420 \mathrm{kg} \) is checking his reading on a spring balance. To have the same reading of spring balance on the moon, how many Sumos of mass \( 420 \mathrm{kg} \) each should stand on it. Explain. \( \left(g=30 \mathrm{m} \mathrm{s}^{-2}\right) \)
\( A \cdot 6 \)
B. 12
\( c \cdot 18 \)
D.
| 3 |
Physics
|
A capacitor of capacitance \( 10, \mathrm{f} \) is charged to a potential of \( 100 \mathrm{V} \) Now connecting it in parallel with an uncharged capacitor, the resultant potential difference becomes 40 volt.The capacitance of this capacitor is
A \( .2 .5, \mathrm{F} \)
в. \( 5, \) F
\( c .10, F \)
D. \( 15, \) F
| 3 |
Physics
|
Solve: \( 6 \leq-3(2 x-4)<12 \)
| 2 |
Maths
|
A fixed volume of iron is drawn into a
wire of length \( L \). The extension \( x \) produced in the wire by a constant force
\( F . F \) is proportional to
A \( \cdot \frac{1}{L^{2}} \)
в. \( \frac{1}{L} \)
c. \( L^{2} \)
D. \( L \)
| 3 |
Physics
|
Choose the correct statement with
respect to the vapour pressure of a liquid among the following.
A. Increases linearly with increasing temperature.
B. Increases non-linearly with increasing temperature.
c. Decreases linearly with increasing temperature
D. Decreases non-linearly with increasing temperature.
| 1 |
Chemistry
|
\( \boldsymbol{n} \) is an integer. The largest integer \( \boldsymbol{m} \)
such that \( n^{m}+1 \) divides \( 1+n+n^{2}+ \)
\( \dots . . n^{127}, \) is
A . 127
B. 63
c. 64
D. 32
| 2 |
Maths
|
You have a bag of cotton and an iron bar
each indicating a mass of \( 100 k g \) when measured on a weighing machine. In reality, one is heavier than the other Can you say which one is heavier and why?
| 3 |
Physics
|
Write formulae for all the isomers of the
following. Designate pairs of enantiomers and achiral compounds where they exist.
1-Bromo-4-chlorocyclohexane
| 1 |
Chemistry
|
The electric field at a point is
A. always continuous
B. continuous if there is no charge at that point
C. discontinuous if there is a charge at that point
D. both
(b) and
(c) are correct
| 3 |
Physics
|
Write the Quadratic equation to find two consecutive odd positive integers, whose product is 323
| 2 |
Maths
|
Answer the following question in one word or one sentence or as per exact requirement of the question.
If \( \boldsymbol{x}<\mathbf{2}, \) then write the value of \( \frac{\boldsymbol{d}}{\boldsymbol{d} \boldsymbol{x}}(\sqrt{\boldsymbol{x}^{2}-\boldsymbol{4} \boldsymbol{x}+\boldsymbol{4}}) \)
| 2 |
Maths
|
The vertical columns in Mendeleev's
table were called:
A. verticals
B. periods
c. columns
D. groups
| 1 |
Chemistry
|
A reaction \( A+B \rightarrow C+D \) is found to have a
positive entropy change. The reaction will be :
A. possible at high temperature
B. possible only at low temperature
C. not possible at any temperature
D. possible at any temperature
| 1 |
Chemistry
|
What is the value of \( p_{1} \) and \( m_{2} ? \)
\( \begin{array}{lll}\mathrm{m}(\mathrm{kg}) & \mathrm{v}(\mathrm{m} / \mathrm{s}) & \mathrm{p}=\mathrm{mv}(\mathrm{kgm} / \mathrm{s}) \\ 85 & 60 & p_{1} \\ m_{2} & 2.5 & 6.25\end{array} \)
\( A \cdot 5100,2.5 \)
B. 5.1 , 2.5
c. 2500,
D. 55, 2.6
| 3 |
Physics
|
Calculate the current through the given
circuit. (The diodes are ideal)
\( 4.6 \mathrm{A} \)
B. 12 A
\( c \cdot 1 A \)
2
| 3 |
Physics
|
If a triplet on template DNA is AAA, what will be the anticodon on tRNA
A. UUU
B. AAA
c. \( \pi T \)
D. AUGGGGGGGGGG
| 0 |
Biology
|
In the homologous series of alkane, the boiling point increases with:
A. increase in volume
B. decrease in mass
c. increase in mass
D. decrease in number of atoms
| 1 |
Chemistry
|
On hydrolysis, \( X e F_{4} \) produces:
This question has multiple correct options
A. \( X e F_{6} \)
в. \( X e O_{3} \)
\( c \cdot X e O \)
D. \( x e \)
| 1 |
Chemistry
|
Fill in the blanks.
The stroke of a heat engine in which outlet valve opens is
| 3 |
Physics
|
A solid cylinder rolls without slipping on
an inclined plane inclined at an angle \( \theta \) Find the linear acceleration of the
cylinder. Mass of the cylinder is \( M \)
A \( \cdot a=\frac{1}{3} g \sin \theta \)
B. \( a=\frac{2}{3} g \sin \theta \)
c. \( _{a=\frac{1}{3}} g \cos \theta \)
D. \( a=\frac{2}{3} g \cos \theta \)
| 3 |
Physics
|
The number of distinct terms in \( (a+ \)
\( \boldsymbol{b}+\boldsymbol{c}+\boldsymbol{d}+\boldsymbol{e})^{3} \) is
A . 35
B . 38
\( c \cdot 42 \)
D. 45
| 2 |
Maths
|
A dicot leaf having parallel venation is
A. Eryngium
B. Zizyphus
c. Ricinus
D. cassia
| 0 |
Biology
|
Leguminous plants have their roots modified into
A. Fibrous roots
B. Stilt roots
c. Nodulated roots
D. Prop roots
| 0 |
Biology
|
If in \( \triangle A B C \) and \( \triangle E D A \)
\( B C \perp A B, A E \perp A B \) and \( D E \perp A C \) then
\( D E \cdot B C=A D \cdot A B \)
A. True
B. False
| 2 |
Maths
|
SONAR is
A. SOund Navigation And Ranging
B. SOund Nullyfying And Ranging
C. SOund Navigation with Amplitude and Ranging
D. None
| 3 |
Physics
|
The flux linked with a coil at any instant
\( \mathrm{t}^{\prime} \) is given by \( \phi=10 t^{2}-50 t+250 . \) The
induced emf at \( t=3 s \) is
A . -190
B. -10 V
\( c \cdot 10 v \)
D. 190 V
| 3 |
Physics
|
Which of the following is the strongest
base?
\( A \)
в.
\( c \)
D.
| 1 |
Chemistry
|
Two adjacent sides of a parallelogram are \( 34 \mathrm{cm} \) and \( 20 \mathrm{cm} . \) One of its
diagonals is \( 42 \mathrm{cm} . \) Then the area of the parallelogram is
\( \mathbf{A} \cdot 612 \mathrm{sq.cm} \)
B. 672 sq.cm
c. 784 sq.cm
D. 796 sq.cm
| 2 |
Maths
|
Which one of the following conditions of the zygotic cell will produce a normal human female child?
A. Only heterologous X chromosome
B. One \( x \) and one \( Y \) chromosome
c. Two homologous \( x \) chromosome
D. Only one Y chromosome
| 0 |
Biology
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.