text
stringlengths 1
4.32k
| label
int64 0
3
| label_text
stringclasses 4
values |
---|---|---|
A temperature difference of \( 27^{\circ} \mathrm{C} \) on the Kelvin scale is equal to a difference of :
\( \mathbf{A} \cdot 27 K \)
B . \( 300 K \)
c. -246K-246K
D. zero | 3 | Physics |
Greenhouse effect is a major cause of:
A . global warming
B. reduction of temperature
c. acid rain
D. all of above | 1 | Chemistry |
A particle moves along a straight line such that its displacement \( s \) at any
time \( t \) is given by \( s=t^{3}-6 t^{2}+3 t+ \)
\( 4 m, t \) being is seconds. Find the velocity
of the particle when the acceleration is
zero. | 2 | Maths |
In plant relations, \( \Psi \) indicates
A. DPD
B. Solute potential
c. water potential
D. Suction pressure | 0 | Biology |
Examples of antipyretics are:
This question has multiple correct options
A. paracetamo
B. morphine
C. Barbituric acid
D. para-amino phenol | 1 | Chemistry |
Graph between \( \log \left(\frac{x}{m}\right) \) and \( \log p \) is a
straight line at an angle \( 45^{\circ} \) with
intercept on y-axis \( 0,3010 . \) Calculate the amount of gas adsorbed in gram per gram of the adsorbent when pressure is
0.2 atm.
A . 0.4
B. 0.6
c. 0.8
D. 0.2 | 1 | Chemistry |
Here are some words translated from an
artificial language mie pie is blue light
mie tie is blue berry
aie tie is raspberry
Which words could possibly mean "light fly"?
A. pie zie
B. pie mie
c. aie zie
D. aie mie | 2 | Maths |
Resistance of conductor is doubled
keeping the potential difference across it constant. The rate of generation of
heat will:
A. become one fourth
B. be halved
c. be doubled
D. become four times | 3 | Physics |
The density of a gass is 3.80 g \( L^{-1} \) at
S.T.P calculate is density at \( 27^{0} C \) and
700 torr pressure. | 1 | Chemistry |
The cells surrounding the stomatal pore
are
A. Gurad cells
B. Subsidiary cell
c. chromophil cells
D. None of the above | 0 | Biology |
Evaluate \( \int_{0}^{\pi / 2} \frac{\cos x}{\left(1+\sin ^{2} x\right)} d x \)
A \( \cdot \frac{\pi}{2} \)
B. \( \frac{\pi}{4} \)
c. \( \pi \)
D. None of these | 2 | Maths |
In n-type semiconductor, the Fermi
level is present:
A. just below the valence band
B. just below the conduction band
C. just above the valence band
D. in the middle of valence and conduction bands | 3 | Physics |
If the angles of a triangle \( A B C \) are in
\( \boldsymbol{A} \cdot \boldsymbol{P} \)
\( \boldsymbol{a}=\mathbf{2}, \boldsymbol{c}=\mathbf{4}, \) then \( \boldsymbol{b}= \)
A \( \cdot 2 \sqrt{3} \)
3
B. \( \sqrt{21} \)
c. 8
D. 14 | 2 | Maths |
How does a Sonar work? Explain. Mention its uses | 3 | Physics |
Let \( f(x)=\tan 2 x \cdot \tan 3 x \cdot \tan 5 x, \) then
\( \boldsymbol{f}^{\prime}(\boldsymbol{\pi}) \) equals
A . 10
B. -10
\( c .0 \)
D. | 2 | Maths |
Rapid deep breathing is
A. Dyspnoea
B. Hypopnoea
c. Hyperpnoea
D. None of the above | 0 | Biology |
Find modulus of following
\( (\mathrm{i}) \pm(4+3 i) \)
\( (\mathrm{ii}) \pm \sqrt{2}+0 i \)
(iii) \( \mathbf{0} \pm \sqrt{\mathbf{2}} \boldsymbol{i} \) | 2 | Maths |
The resultant of two forces, one double
the other in magnitude, is perpendicular to the smaller of the two forces. The angle between the two forces is:
A \( \cdot 120^{\circ} \)
B . 135
\( c .90^{\circ} \)
D. \( 150^{\circ} \) | 3 | Physics |
\( \boldsymbol{n} / \boldsymbol{m} \) means that \( \boldsymbol{n} \) is factor of \( \boldsymbol{m}, \) then
the relation ' \( \boldsymbol{f}^{\prime} \) is.
B. Transitive and symmetricc
C. reflexive, transitive and symmetric
D. Reflexive,transitive and not symmetric | 2 | Maths |
Check the continuity of \( f \) given by
\[
f(x)=\left\{\begin{array}{ccc}
4-x^{2} & \text { if } & x \leq 0 \\
x-5 & \text { if } & 0<x \leq 1 \\
4 x^{2}-9 & \text { if } & 1<x<2 \\
3 x+4 & \text { if } & x \geq 2
\end{array}\right.
\]
the points 0,1 and 2 | 2 | Maths |
A concave mirror forms an erect image of an object placed at a distance of 10 \( \mathrm{cm} \) from it. The size of the image is double that of the object. Where is the image formed?
A. 20 cm behind the mirror
B. 20 cm in front of the mirror
c. \( 40 \mathrm{cm} \) behind the mirror
D. \( 40 \mathrm{cm} \) in front of the mirror | 3 | Physics |
Catalytic decomposition of nitrous
oxide by gold at \( 900^{\circ} \mathrm{C} \) at an initia
pressure of \( 200 m m \) was \( 50 \% \) in 53
minutes and \( 73 \% \) in 100 minutes.
(a) What is the order of reaction?
(b) How much it will decompose in 100
minutes at the same temperature but at an initial pressure of 600 mm? | 1 | Chemistry |
The process of glycolysis can be
represented as
A. \( C_{6} H_{12} O_{6} \rightarrow 2 C_{3} H_{4} O_{3}+4 H \)
B. \( C_{6} H_{12} O_{6}+6 C O_{2} \rightarrow 6 C O_{2}+6 H_{2} O \)
\( \mathrm{c} \cdot 6 H_{2} O+6 C O_{2} \rightarrow C_{6} H_{12} O_{6}+6 O_{2} \)
D. None of the above | 0 | Biology |
Which orbital is represented by wave
function \( \Psi_{310} ? \)
A \( \cdot 3 d_{x y} \)
B . \( 3 p_{z} \)
\( c \cdot 4 s \)
D. \( 4 d_{z} \) | 1 | Chemistry |
A long wire carrying current \( i \) is placed
close to a U-shaped conductor (of negligible resistance). A wire of length \( l \)
as shown in figure slides with a velocity
v. Find the current induced in the loop
as a function of distance \( x \) from the
current carrying wire to slider.
A \( \cdot \frac{\mu_{0} i l u}{R x} \)
в. \( \frac{\mu_{0} i l u}{2 \pi R x} \)
c. \( \frac{\mu_{0} i l u}{2 R x} \)
D. \( \frac{\mu_{0} i l u}{4 \pi R x} \) | 3 | Physics |
Cell-tissue organisation occurs in
A. Fasciola
B. Sycon
c. Hydra
D. Asterias | 0 | Biology |
Which of the following can be expressed as the sum of square of two positive integers, as well as three positive integers?
A . 75
в. 192
\( c \cdot 250 \)
D. 100 | 2 | Maths |
Four students were given colourless liquids \( A, B, C \) of water, lemon juice and a mixture of water and lemon juice
respectively. After testing these liquids
with pH paper, following sequence
in colour change of pH paper were
reported:
I. Blue, Red and Green
Il. Orange,
Green and Green
III. Purple, Red and Green IV.Green, Red
and Red
The correct sequence of colours
observed is
\( A \)
B. II
c. ॥॥
D. IV | 1 | Chemistry |
The landthanide contraction is
responsible for the fact that:
A. \( Z r \) and \( Y \) have almost the same radius.
B. \( Z r \) and \( N b \) have similar oxidation state
c. \( Z r \) and \( H f \) have almost the same radius
D. \( Z r \) and \( Z n \) have the same oxidation state. | 1 | Chemistry |
A radioactive element has rate of
disintegration 10,000 disintegrations per minute at a particular instant. After four minutes it becomes 2500
disintegrations per minute. The decay constant per minute is
A \( \cdot 0.2 \log _{e}^{2} \)
B . \( 0.5 \log _{e}^{2} \)
c. \( 0.6 \log _{e}^{2} \)
D. \( 0.8 \log _{e}^{2} \) | 3 | Physics |
A galvanometer of resistance \( 50 \Omega \) giving full scale deflection for a current
of 10 milliampere is to be changed into a voltmeter of range \( 100 \mathrm{V} \)
A resistance of \( _{-1}-\ldots_{\text {has to be }} \)
connected in series with the
galvanometer.
A . 9950
B. 10025
c. 10000
D. 9975 | 3 | Physics |
Give two characteristics of magnetic field lines. | 3 | Physics |
What are dimensional variables? | 1 | Chemistry |
Atmospheric electricity is generated
due to
A. the accumulation of static charges
B. the accumulation of moving charges
C. the destruction of static charges
D. destruction of moving charges | 3 | Physics |
When a flute is blown, the air inside it
gets compressed and produces sound but does not vibrate. True or false.
A. True
B. False | 3 | Physics |
In the adjoining figure, parallel lines are
shown with similar markings. Find \( \angle x \)
if \( \angle x=5 \angle y \)
\( \mathbf{A} \cdot 30^{\circ} \)
B. \( 60^{\circ} \)
c. \( 150^{\circ} \)
D. \( 170^{\circ} \) | 2 | Maths |
Which is the condition, unrelated
to quantities, that indicates that the rate going into solution is equal to the rate coming out of solution?
A . Dilute
B. concentrated
c. Unsaturated
D. Saturated
E. Supersaturated | 1 | Chemistry |
Is 0.3 the multiplicative inverse of \( 3 \frac{1}{3} ? \) Why or why not? | 2 | Maths |
A dynamo developed \( 0.5 A \) at \( 6 V \). Find
the energy it generates in 1 s. | 3 | Physics |
Differentiate between:
Haemoglobin and leghaemoglobin | 0 | Biology |
The elements with atomic numbers
10,18 belong to the same group.
A. True
B. False | 1 | Chemistry |
A train moving with a velocity of
\( 20 m s^{-1} \) is brought to rest by applying the brakes in 5 s. Calculate the
retardation
\( \mathbf{A} \cdot 4 m s^{-2} \)
B \( \cdot 2 m s^{-2} \)
\( \mathrm{c} \cdot 1 \mathrm{ms}^{-2} \)
D. \( 8 m s^{-2} \) | 3 | Physics |
Explain:
A: Combustion is an exothermic
process.
B: Combustion is a spontaneous
process | 1 | Chemistry |
Find the area of the region enclosed by the curves;
\( \boldsymbol{y}=\cos \boldsymbol{x}, \boldsymbol{y}=1-\frac{2 x}{\pi} \)
A \( \cdot 2-\frac{\pi}{2} \)
в. \( \pi \)
c. \( \frac{\pi}{2} \)
D. | 2 | Maths |
In a Young's double slit experiment, the
fringes are displaced by a distance \( x \) when a glass plate of refractive index 1.5 is introduced in the path of one of the beams. Then this plate is replaced by another plate of the same thickness, the shift of fringes is \( \frac{3}{2} x . \) The refractive index of the second plate is :
A . 2.25
в. 2.0
c. 1.75
D. 1.25 | 3 | Physics |
If the radius of the Earth were increased
by a factor of 2 and its mass remained
the same, then the acceleration due to
gravity on the Earth would
A. reduce by factor 4
B. reduce by factor 2
c. not change
D. none of the above | 3 | Physics |
\( \lim _{x \rightarrow 0} \tan \left(\frac{\pi}{4}+x\right) \) | 2 | Maths |
The area of triangle formed by the lines
\( 18 x^{2}-9 x y+y^{2}=0 \) and the line \( y=9 \)
is
A. \( \frac{27}{4} \)
в. \( \frac{27}{2} \)
c. \( \frac{27}{8} \)
D. 27 | 2 | Maths |
In the figure shown, coefficient or restitution between \( A \) and \( B \) is \( e=\frac{1}{2} \)
then
This question has multiple correct options
A \cdot velocity of B after collision is \( \frac{v}{2} \)
B. Impulse between two during collision is \( \frac{3}{4} m v \)
c. Loss of kinetic energy during the collision is \( \frac{3}{16} m v^{2} \)
D. Loss of kinetic energy during the collision is \( \frac{1}{4} m v^{2} \) | 3 | Physics |
The growth of tendril in pea plant is due to
A. Effect of light
B. Effect of gravity
c. Rapid cell divisions in tendrillar cells that are away from the support
D. Rapid cell divisions in tendrillar cells in contact with the support | 0 | Biology |
For a first order reversible reaction \( A_{K_{b}}^{K_{f}} B, \) the initial concentration of \( A \)
and \( B \) are \( [A]_{0} \) and zero respectively. If
concentrations at equilibrium are \( [\boldsymbol{A}]_{e q} \)
and \( [\boldsymbol{B}]_{e q} ., \) derive an expression for the time taken by \( B \) to attain concentration
equal to \( [\boldsymbol{B}]_{e q / 2} \) | 1 | Chemistry |
Find the value of \( y, \) if \( x=5^{\circ} \)
\( A \cdot 50 \)
3.45
\( c \cdot 32^{2} \)
.38
\( ^{2} \) | 2 | Maths |
In which of the following pairs is there the greatest difference in the oxidation numbers of the underlined elements?
A. \( \underline{N} O_{2} \) and \( N_{2} O_{4} \)
B. \( P_{2} O_{5} \) and \( P_{4} O_{00} \)
c. \( \underline{N}_{2} \mathrm{O} \) and \( \underline{\mathrm{N}} \mathrm{O} \)
\( \mathrm{D} \cdot \underline{S} \mathrm{O}_{2} \) and \( \underline{S} \mathrm{O}_{3} \) | 1 | Chemistry |
Extremely dangerous and deadly cardiac glycosides are carried from the milkweed plant by the?
A. Night cockroaches
B. Bumble bee
c. Larvae of the monarch butterfly
D. Green grasshopper | 1 | Chemistry |
Choose the correct combination of
labeling of the lenticel
A . a-pore, b-complementary cells, c-cork, d-cork cambium, e-secondary cortex
B. a-pore, b-secondary cortex, c-cork, d-cork cambium, e complementary cells
c. a-pore, b-cork cambium, c-secondary cortex, d-cork. complementary cells
D. a-pore, b-cork, c-complementary cells, d-cork cambium, e-secondary cortex
E. a-pore, b-cork, c-cork cambium, d-secondary cortex, ecomplementary cells | 0 | Biology |
If \( n=10, \bar{x}=12 \) and \( \sum x^{2}=1530 \)
then calculate the coefficient of
variation.
A . 20
B . 25
c. 30
D. 35 | 2 | Maths |
There are three boxes, each containing a different number of light bulbs. The first box has 10 bulbs, of which four are dead, the second has six bulbs, of which one is dead, and the third box has eight bulbs of which three are dead. What is
the probability of a dead bulb being selected when a bulb is chosen at
random from one of the three boxes?
A. \( \frac{115}{330} \)
В. \( \frac{113}{360} \)
c. \( \frac{113}{330} \)
D. None of these | 2 | Maths |
Component of \( \vec{a}=\hat{i}-\hat{j}-\hat{k} \)
perpendicular to the vector \( \overrightarrow{\boldsymbol{b}}=2 \hat{\boldsymbol{i}}+ \) \( \hat{\boldsymbol{j}}-\hat{\boldsymbol{k}} \) is?
A \( \cdot \frac{1}{3}(\hat{i}+2 \hat{j}+2 \hat{k}) \)
B \( \cdot \frac{1}{3}(\hat{i}-4 \hat{j}-2 \hat{k}) \)
c \( \cdot \frac{1}{3}(\hat{i}+4 \hat{j}+2 \hat{k}) \)
D \( \cdot \frac{1}{3}(\hat{i}+2 \hat{j}+\hat{k}) \) | 2 | Maths |
Rain is falling vertically and a man is
moving with velocity \( 6 m s^{-1} \). Find the
angle at which the man should hold his umbrella avoid getting wet. | 3 | Physics |
Assertion
Human ancestors never used their tails
and so the tail expressing gene has disappeared in them.
Reason
Lamarck's theory of evolution is popularly called theory of continuity of germplasm.
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 |
Fill in the blanks
The distance between the eye lens and
retina is about | 3 | Physics |
Graph between log \( \mathrm{K} \) and \( \frac{1}{T}[\text { Where } \mathrm{K} \) is
rate constant \( \left(S^{-1}\right) \) and \( T \) is
temperature (K)] is a straight line with
\( \boldsymbol{O} \boldsymbol{X}=\mathbf{5}, \boldsymbol{\theta}=\boldsymbol{t a n}^{-1}\left[-\frac{\mathbf{1}}{\mathbf{2 . 3 0 3}}\right] \)
Hence \( E_{a} \) and log A respectively will be:
A \( .2 .303 \times 2 c a l, 5 \)
B . \( \frac{2}{3.303} \) cal \( , e^{5} \)
c. 2 cal, 5
D. None of these | 1 | Chemistry |
Nucleic acids are polymer of
A. Nucleotides
B. Nucleosides
C. Amino acids
D. Nitrogen bases | 0 | Biology |
find the sum : tan \( x \) tan \( 2 x+ \)
\( \tan 2 x \tan 3 x+\dots \dots \dots+\dots \)
\( \tan n x \tan (n+1) x \) | 2 | Maths |
\( \lim _{x \rightarrow 0} \frac{x}{\sqrt{x+4}-2} \) is equal to
\( \mathbf{A} \cdot \mathbf{4} \)
B. \( \sqrt{2} \)
c. \( 2 \sqrt{2} \)
D. | 2 | Maths |
suppose 0
\[
\text { 135 } \quad 342
\]
\[
t(\min )
\]
and
[Cone]
1.91 mol \( L^{-1} \quad \) 2.08 1.67
Find out the order of reaction and
calculate its rate constants | 1 | Chemistry |
What is the ratio of the shortest
wavelength of the Balmer series to the shortest wavelength of the Lyman series
\( ? \)
\( A \cdot 4: \)
B. 4: 9
\( c \cdot 4: 3 \)
D. 5 : 9 | 3 | Physics |
The wavelength of monochromatic light is \( 5000 A \) in air what will be its wave
number in a medium of refractive index
\( \mathbf{1 . 5} ? \)
A \( \cdot 3 \times 10^{6} m^{-1} \)
В. \( 5 \times 10^{6} m^{-1} \)
c. \( 2 \times 10^{6} m^{-1} \)
D. \( 9 \times 10^{6} m^{-1} \) | 3 | Physics |
Which is not an example of cytoplasmic inheritance?
A. Female sterility in maize
B. Sigma particle inheritance
c. Kappa particle inheritance
D. Plastid inheritance | 0 | Biology |
In the shown arrangement of the experiment of the meter bridge if \( \mathrm{AC} \)
corresponding to null deflection of
galvanometer is \( x, \) what would be its value if the radius of the wire \( \mathrm{AB} \) is
doubled :-
\( A \)
в. \( \frac{x}{4} \)
\( c \cdot 4 x \)
\( D \cdot 2 \) | 3 | Physics |
The value of \( \int e^{2 x}\left(\frac{1}{x}-\frac{1}{2 x^{2}}\right) d x \) is
\( ^{A} \cdot \frac{e^{2 x}}{2}+c \)
B. \( \frac{e^{2 x}}{2 x}+c \)
c. \( \frac{e^{2 x}}{3 x}+c \)
D. \( \frac{e^{2 x}}{x}+c \) | 2 | Maths |
The octet rule is not obeyed by which of the following molecule:
A. \( C O_{2} \)
в. \( H_{2} \) о
\( c \cdot O_{2} \)
D. \( C O \) | 1 | Chemistry |
In Freundlich isotherm, \( \frac{x}{m} \propto P^{a} \). Find the value of \( a \) from the following graph.
\( A \cdot \frac{2}{3} \)
B. \( \frac{1}{3} \)
\( c \cdot \frac{3}{2} \)
\( D \) | 1 | Chemistry |
Two particles \( A \) and \( B \) initially at rest move towards each other under a
mutual force of attraction. The speed of
center of mass at the instant when the
speed of \( A \) is \( v \) and the speed of \( B \) is \( 2 v \) is
\( A \)
B. Zero
c. \( 2 v \)
D. \( \frac{3 v}{2} \) | 3 | Physics |
Differentiate the following function w.r.t. \( x: \cos ^{-1}\left(1-2 \sin ^{2} x\right) \) | 2 | Maths |
Plant cells are rigid due to the presence of
A. Cell membrane
B. Cell wall
c. cytoskeleton
D. chloroplasts
E. Centrioles | 0 | Biology |
Odd one out among the following is:
A. Tartaric acid
B. Oxalic acid
c. Citric acid
D. Prussic acid | 1 | Chemistry |
If \( A \) and \( B \) are two events in a sample
space \( S \) such that \( P(A) \neq 0 \) and
\( \boldsymbol{P}(\boldsymbol{B}) \neq \boldsymbol{0}, \) then \( \boldsymbol{P}(\boldsymbol{A} \cap \boldsymbol{B}) \)
A \( \cdot P(A) \cdot P(B) \)
в. \( P(A) . P\left(\frac{B}{A}\right) \)
\( \mathbf{c} \cdot P(B) \)
D \cdot \( P(A) \) | 2 | Maths |
\( \boldsymbol{A}=\left[\begin{array}{cc}\mathbf{1} & \mathbf{2} \\ \mathbf{3} & \mathbf{2} \\ \mathbf{- 1} & \mathbf{0}\end{array}\right], \boldsymbol{B}=\left[\begin{array}{ccc}\mathbf{1} & \mathbf{3} & \mathbf{2} \\ \mathbf{4} & \mathbf{- 1} & \mathbf{3}\end{array}\right], \) then
order of \( A B \) is
A. \( 2 \times 2 \)
в. \( 3 \times 3 \)
\( c \cdot 1 \times 3 \)
D. \( 3 \times 2 \) | 2 | Maths |
Figure shows three points \( A, B \) and \( C \) in a region of uniform electric field \( \vec{E} \). The
line \( A B \) is perpendicular and \( B C \) is parallel to the field lines. Then which of
the following holds good. Here \( \boldsymbol{V}_{\boldsymbol{A}}, \boldsymbol{V}_{\boldsymbol{B}} \)
and \( V_{C} \) represents the electric potential
at point \( A, B \) and \( C \) respectively.
\( \mathbf{A} \cdot V_{A}=V_{B}=V_{C} \)
B \( \cdot V_{A}=V_{B}>V_{C} \)
\( \mathbf{c} \cdot V_{A}=V_{B}<V_{C} \)
\( \mathbf{D} \cdot V_{A}>V_{B}=V_{C} \) | 3 | Physics |
If 1 lies between the roots of the
equation \( y^{2}-m y+1=0 \) and \( [x] \) is
the GIF function,
then the value of \( \left[\left(\frac{4|x|}{|x|^{2}+16}\right)^{m}\right], \) is
\( \mathbf{A} \cdot \mathbf{0} \)
B.
\( c \cdot 2 \)
D. None of the above | 2 | Maths |
Who will spend more electrical energy
\( \mathbf{5 0 0} \) w tv set in 30 mins as 600 heater in
20 minutes? | 3 | Physics |
For a given voltage \( V \), if resistance is
changed from \( R \) to \( \left(\frac{R}{n}\right), \) power
consumed changes from \( P \) to:
\( A \cdot n P \)
B. \( \frac{p}{n} \)
\( c \cdot n^{2} p \)
D. \( \frac{P}{n^{2}} \) | 3 | Physics |
In astronomical observations signals observed from the distant stars are
generally weak. If the photon detector
receives a total of \( 3.15 \times 10^{-18} \) J from
the radiations of 600 nm. Calculate the
number of photons received by the detector.
A . 20
B. 10
\( c \cdot 8 \)
D. | 1 | Chemistry |
A cell supplies a current of \( 0.9 \mathrm{A} \) through a \( 2 \Omega \) resistor and a current of
\( 0.3 \mathrm{A} \) through a \( 7 \Omega \) resistor. The internal resistance of the cell is :-
A . \( 1.0 \Omega \)
в. \( 0.5 \Omega \)
c. \( 2.0 \Omega \)
D. \( 1.2 \Omega \) | 3 | Physics |
The nature of the bond in diamond is:
A. ionic
B. covalent
c. matallic
D. coordinates covelent | 1 | Chemistry |
The IUPAC name of the following
compound \( \boldsymbol{C H}_{2}=\boldsymbol{C H}-\boldsymbol{C H}_{2}-\boldsymbol{C H}_{3} \)
is: | 1 | Chemistry |
What is the correct dimension of
Newton?
\( \mathbf{A} \cdot\left[M L T^{-2}\right] \)
В \( \cdot\left[M L T^{-1}\right] \)
c. \( \left[M L^{2} T^{-2}\right] \)
D. \( [M L T] \) | 1 | Chemistry |
Holotype is
A. Specimen used by author as nomenclature type.
B. Specimen referred alog with original description.
C. Duplicate of nomenclature type.
D. Specimen selected from original, when nomeclature type is missing. | 0 | Biology |
According to Susruta Samhita, Virudha consisted of
A. Flowering plants.
B. Shrubs
c. osadhi
D. Jangama. | 0 | Biology |
Calculate the wavelength of the
radiation which would cause the
photodissocitaion of chlorine molecule
if the \( C l-C l \) bond energy is \( 243 k J \)
\( m o l^{-1} \) | 1 | Chemistry |
When sodium peroxide is treated with water, the product obtained contains:
This question has multiple correct options
\( A \cdot O_{2} \)
в. \( N a \)
\( \mathrm{c} \cdot \mathrm{H}_{2} \)
D. \( N a^{+} \) | 1 | Chemistry |
Find the angle, if its complement is one-
fourth of its supplement. | 2 | Maths |
Ascending imbricate corolla is found in
A. Pisum or Papilionadae
B. Tamarindus or Caesalpinioideae
c. Mimosa or Mimosoideae
D. Datura or Solanaceae | 0 | Biology |
Statement: The product formed when
\( \boldsymbol{P H}_{3} \) reacts with aqueous \( \boldsymbol{C u}^{2+} \) is
\( \boldsymbol{H}_{3} \boldsymbol{P} \boldsymbol{O}_{4} \)
State true or false. | 1 | Chemistry |
Answer the following questions with
respect to the compound \( N O\left[B F_{4}\right] \)
(P) Bond order of the part underline.
(Q) Total number of \( \sigma \) bonds in the
compound.
(R) Total number of \( \pi \) bonds in the
compound.
(S) Number of hybrid orbitals involved in the hybridisation of boron. | 1 | Chemistry |
State whether the given statement is true or false:
\( K O_{2}, B a O_{2}, N a_{2} O_{2} \) are superoxides.
A. True
B. False | 1 | Chemistry |
Fill in the blanks with appropriate
words.
Digestion of \( \ldots \ldots \) begins in the mouth. | 0 | Biology |
The structure of \( X e O F_{4} \) is:
A. trigonal bipyramidal
B. square planar
c. square pyramidal
D. pyramidal | 1 | Chemistry |
(i) Why is a cathode ray tube
evacuated to a low pressure?
(ii) What happens if the negative potential is changed on a grid? | 3 | Physics |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.