text
stringlengths 1
4.32k
| label
int64 0
3
| label_text
stringclasses 4
values |
|---|---|---|
If \( a, b, c \) are in G.P., then
A \( \cdot a^{2}, b^{2}, c^{2} \) are in G.P.
B . \( a^{2}(b+c), c^{2}(a+b), b^{2}(a+c) \) are in G.P.
c. \( \frac{a}{b+c}, \frac{b}{c+a}, \frac{c}{a+b} \) are in G.P
D. None of the above. | 2 | Maths |
Malonic acid and succinic acid are
distinguish by:
A. heating
в. \( \operatorname{NaH} \mathrm{CO}_{3} \)
c. both \( A \) and \( B \)
D. None of these | 1 | Chemistry |
Molar heat capacity of water (liquid) in equilibrium with water vapour at
constant pressure is:
A. zero
B . \( \infty \)
c. 75.48 J mol \( ^{-1} \mathrm{k}^{-1} \)
D. 40.45 J mol \( ^{-1} \mathrm{K}^{-1} \) | 1 | Chemistry |
For the following congruent triangles, find the pairs of corresponding angles. | 2 | Maths |
The conversion of vinyl allyl ether to
pent-4-enol follows a certain kinetics.
The following plot is obtained for such a
reaction.
A . zer
B.
\( c \)
2 | 1 | Chemistry |
The net force exerted by fluid on moving
plate is
A. \( 0.6 N \) backwards
B. \( 0.6 N \) forward
c. \( 0.2 N \) backwards
D. \( 0.2 N \) forward | 3 | Physics |
Length of silk thread produced by one cocoon is
A. \( 300-400 \) metres
B. 600 - 900 metres
c. \( 200-300 \) metres
D. less than 200 meters | 1 | Chemistry |
The dimensions of strain is:
A. \( L \)
B \( \cdot L^{2} \)
c. It is dimensionless
D. \( M L^{2} T^{-2} \) | 3 | Physics |
If \( \boldsymbol{E}^{o}_{\boldsymbol{F} e^{2+} / \boldsymbol{F} e}=\boldsymbol{x}_{1} \boldsymbol{V} \) and \( \boldsymbol{E}^{o}_{\boldsymbol{F} e^{3+} / \boldsymbol{F} e^{2+}}= \)
\( \boldsymbol{x}_{2} \boldsymbol{V}, \) then \( \boldsymbol{E}^{o} \boldsymbol{F e}^{3+} / \boldsymbol{F} e \) will be :
A \( \cdot\left(2 x_{1}+x_{2}\right) V \)
В . \( \left(3 x_{2}-x_{1}\right) V \)
\( \mathbf{c} \cdot\left(2 x_{1}+x_{2}\right) / 3 V \)
\( \mathbf{D} \cdot\left(x_{1}+2 x_{2}\right) / 3 V \) | 1 | Chemistry |
Which of the following is true about the number \( 0.66 \overline{66} ? \)
A. It is a rational number
B. It is an irrational number
c. It is correctly gridded as ".66"
D. It is equivalent to \( \frac{67}{100} \)
E. None of the above | 2 | Maths |
For the given circuit, the natural
frequency is given by :
\( \mathbf{A} \cdot \frac{1}{2 \pi} \sqrt{L C} \)
B. \( \frac{1}{2 \pi \sqrt{L C}} \)
\( c \cdot \sqrt{\frac{l}{C}} \overline{\underline{l}} \)
D. \( \sqrt{\frac{c}{L}} \) | 3 | Physics |
Evaluate \( \int_{0}^{\infty} \frac{x^{2}+1}{x^{4}+7 x^{2}+1} d x \)
\( A \)
в. \( \frac{\pi}{2} \)
c.
D. | 2 | Maths |
The number of integral values of \( \boldsymbol{m}, \) for
which the roots of \( x^{2}-2 m x+m^{2}- \)
\( \mathbf{1}=\mathbf{0} \) will between \( -\mathbf{2} \) and \( \mathbf{4} \) is :
A .2
B. 0
\( c .3 \)
D. | 2 | Maths |
Which of the following is an example of a broad spectrum antibiotic? This question has multiple correct options
A. Penicillin G
B. Chloramphenicol
c. streptomycin
D. Ampicillin | 1 | Chemistry |
Amongst the following elements present in an organic compound, the
one which has no direct test for
detection is :
A . \( C l \)
в. \( N \)
\( c . s \)
D. | 1 | Chemistry |
On a rainy day, out of 150 students in a school 25 were absent. Find the
percentage of students absent from the
school? What percentage of students
are present? | 2 | Maths |
Two rods \( A \) and \( B \) of the same material
and length have radii \( r_{1} \) and \( r_{2} \)
respectively. When they are rigidly fixed at one end twisted by the same torque applied at the other end, the ratio \( \left[\begin{array}{lllllll}\text {the} & \text {angle} & \text {of} & \text {twist} & \text {at} & \text {the} & \text {er} \\ \hline \text {the} & \text {angle} & \text {of} & \text {twist} & \text {at} & \text {the} & \text {er}\end{array}\right. \)
equals to:
A \( \cdot \frac{r_{1}^{2}}{r_{2}^{2}} \)
B \( \cdot \frac{r_{1}^{3}}{r_{2}^{3}} \)
\( c \cdot \frac{r_{2}^{4}}{r_{1}^{4}} \)
D \( \cdot \frac{r_{1}^{4}}{r_{2}^{4}} \) | 3 | Physics |
Which of the following is a partial root parasite?
A. Sandal wood
B. Mistetone
c. orobanche
D. Ganodema | 0 | Biology |
What is the concept of diffusion and
Brownian motion? | 1 | Chemistry |
The lines \( 2 x-3 y=5 \) and \( 3 x-4 y=7 \)
are the diameters of a circle of area 154
square units. An equation of this circle is \( (\boldsymbol{\pi}=\mathbf{2 2} / \mathbf{7}) \)
A \( \cdot x^{2}+y^{2}+2 x-2 y=62 \)
B. \( x^{2}+y^{2}+2 x-2 y=47 \)
c. \( x^{2}+y^{2}-2 x+2 y=47 \)
D. \( x^{2}+y^{2}-2 x+2 y=62 \) | 2 | Maths |
The area of a square park is the same
as a rectangular park. If the side of the square park is \( 60 \mathrm{m} 60 \mathrm{m} \), find the breadth (in meter) of the rectangular park. Given: Length of the rectangular park is \( 90 \mathrm{m} \) | 2 | Maths |
The ions which plays major role in generating hormone action
A. Calcium ions
B. Magnesium ions
c. Sodium ions
D. None of these | 0 | Biology |
State the electronic configuration for Boron \( [p=5, n=6] \)
A . 2,3
B. 5, 10
c. 5,12
D. 5,1 | 1 | Chemistry |
After electrolysis of NaCl solution with
inert electrodes for a certain period of
time, \( 600 \mathrm{mL} \) of the solution was left. Which was found to be \( 1 \mathrm{N} \) in \( \mathrm{NaOH} \) During the same time, 31.75 g \( \mathrm{Cu} \) deposited in the copper voltameter in series with the electrolytic cell. Calculate the percentage yield of NaOH obtained.
A. \( n=60 \% \)
a
B . \( n=50 \% \)
c. \( n=70 \% \)
D. None of these | 1 | Chemistry |
\( P \) is a point on the line through the point \( A \) whose position vector is \( \vec{a} \) and the line is parallel to the vector \( \vec{b} \). If
\( \boldsymbol{P A}=\mathbf{6}, \) the position vector of \( \boldsymbol{P} \) is
A \( \cdot \vec{a}+6 \vec{b} \)
B \( \cdot \vec{a}+\frac{6}{|\vec{b}|} \vec{b} \)
c. \( \vec{a}-6 \vec{b} \)
D \( \cdot \vec{b}+\frac{6}{|\vec{a}|} \vec{a} \) | 2 | Maths |
depends on mass and kind of material of the body.
A. specific heat
B. Heat capacity
c. Temperature
D. kinetic energy | 3 | Physics |
\( \mathrm{f}\left|\begin{array}{lll}\boldsymbol{a}+\boldsymbol{b} & \boldsymbol{b}+\boldsymbol{c} & \boldsymbol{c}+\boldsymbol{a} \\ \boldsymbol{c}+\boldsymbol{a} & \boldsymbol{a}+\boldsymbol{b} & \boldsymbol{b}+\boldsymbol{c} \\ \boldsymbol{b}+\boldsymbol{c} & \boldsymbol{c}+\boldsymbol{a} & \boldsymbol{a}+\boldsymbol{b}\end{array}\right|=\boldsymbol{t} \times \operatorname{det} \) of
circulant matrix whose elements of first
column are \( a, b, c \) then \( t \) equals
A. 5
B. 6
\( c \cdot-2 \)
\( D \) | 2 | Maths |
How many nucleons are present in phosphorous?
A . 15
B. 16
c. 30
D. 31 | 1 | Chemistry |
Fine the odd one.
A. Adiantum
B. Equisetum
c. Selaginella
D. Riccia | 0 | Biology |
Which of the following occurs due to the stomatal opening?
I. Increased photosynthesis
II. Increased transpiration
III.Decreased chlorophyl
A. I only
B. II only
c. ॥ only
D. I and II only
E . I, II and III only | 0 | Biology |
Select the correct option on the basis of given features, to which they belong:
A. Cambium - Develops later
B. Pith - Absent
C. Epidermis -Possess unicelluiar hairs
A . Dicot stem
B. Monocot stem
c. Dicot root
D. Monocot root | 0 | Biology |
Methanol can be distinguished from ethanol by:
A . heating with \( I_{2} \) and alkal
B. treating with schiff's reagent
C . treating \( C r O_{3} \) solution in dil. \( H_{2} S O_{4} \)
D. treating with Lucas reagent | 1 | Chemistry |
Henry's law holds for a slightly soluble
gas as long as the gas:
A. Has a high molecular weight
B. Has a low molecular weight
c. Is diatomic
D. Does not react chemically with the solvent | 1 | Chemistry |
Einstein's photo-electric equation
states that \( \boldsymbol{E}_{\boldsymbol{k}}=\boldsymbol{h v}-\boldsymbol{W} . \) In this
equation, \( \boldsymbol{E}_{\boldsymbol{k}} \) refers to:
A. kinetic energy of all ejected electrons
B. mean kinetic energy of emitted electrons
c. minimum kinetic energy of emitted electrons
D. maximum kinetic energy of emitted electrons | 1 | Chemistry |
A rectangle DEFG is plotted in \( X Y \) plane. The co-ordinates of D , E , F and G \( \operatorname{are}(2,2),(9,2),(9,10) \) and (2,10)
Find the new co-ordinates of D when
DEFG is rotated \( 270^{\circ} \) around origin.
A \( \cdot(-2,-2) \)
в. (2,-2)
c. (2,4)
(年. \( (2,4)) \)
D. (-2,4) | 2 | Maths |
Explain zone - refining (figure not necessary. | 1 | Chemistry |
A long straight wire carries a current 10 amp. An electron travels with a velocity \( \mathbf{5 . 0} \times \mathbf{1 0}^{\mathbf{6}} \mathrm{m} / \mathrm{sec} \) parallel to the wire 0.1
\( \mathrm{m} \) away from it and in a direction
opposite to the current. What force does the magnetic field of current exert on the electron?
В. \( 0.8 \times 10^{-16} N \)
c. \( 1.6 \times 10^{-17} N \)
D. \( 1.6 \times 10^{-16} N \) | 3 | Physics |
If \( Z_{r}=\left(\cos \frac{r \pi}{10}+i \sin \frac{r \pi}{10}\right) . \) Then
find the value of \( Z_{1} \cdot Z_{2} \cdot Z_{3} \cdot Z_{4} \) | 2 | Maths |
Rms value of current \( \boldsymbol{i}=\mathbf{3}+ \)
\( 4 \sin \left(\omega t+\frac{\pi}{3}\right) \) is:
A . \( 5 A \)
в. \( \sqrt{17} A \)
\( c \cdot \frac{5}{\sqrt{2}} A \)
D. \( \frac{7}{\sqrt{2}} A \) | 3 | Physics |
The name of the compound is
Cyclopent-1-en-3-ol
If true enter 1 , else enter 0 . | 1 | Chemistry |
(a) What is selectivity of catalyst? Write example.
(b) What happens when hydrated ferric oxide sol is mixed with arsenius
sulphide sol?
(c) Explain Tyndall effect with labelled diagram. | 1 | Chemistry |
An empty freight car of mass \( \boldsymbol{m}_{1}= \)
\( \mathbf{1 0}, \mathbf{0 0 0 k g} \) rolls at speed \( u_{1}=2 m / s \) on
a level road and collide with a loaded
car of mass \( \boldsymbol{m}_{2}=\mathbf{2 0}, \mathbf{0 0 0 k g} \) standing
at rest. If the cars couple together, find
their speed \( V \) after the collision and
also the loss in kinetic energy. What should be speed of the loaded car towards the empty car, in order that both be brought to rest by the collision? | 3 | Physics |
Birds take nectar by
A. Chewing
B. Swallowing
c. sucking
D. Biting | 0 | Biology |
Which of the following statement is
correct?
This question has multiple correct options
A. when the magnetic flux linked with conducting loop is zero then emf induced is always zero
B. when the emf induced in conducting loop is zero, then the magnetic flux linked with the loop must be zero
C. transformer works on mutual induction
D. all of these | 3 | Physics |
\( 0.5 g \) of an organic compound containing nitrogen on kjeldahlising
required \( 29 m l \) of \( N / 5 H_{2} S O_{4} \) for
complete neutralisation of ammonia. The percentage of nitrogen in the compound is :
A. 34.3
B. 16.2
c. 13.6
D. 24.5 | 1 | Chemistry |
The following reaction is known by the
name:
A. Acetylation reaction
B. Schotten-Baumen reaction
c. Friedel-craft's reaction
D. Perkin's reaction | 1 | Chemistry |
The resonant frequency of an L-C circuit
is
\( ^{\mathrm{A}} \cdot \frac{1}{2 \pi \sqrt{L C}} \)
в. \( \frac{1}{2 \pi} \sqrt{\frac{L}{C}} \)
c. \( \frac{1}{4 \pi} \sqrt{\frac{L}{C}} \)
D. \( \frac{1}{2 \pi} \sqrt{\frac{C}{L}} \) | 3 | Physics |
A tungsten wire of length \( 20 \mathrm{cm} \) is stretched by \( 0.1 \mathrm{cm} . \) Find the strain on the wire.
A .0 .002
B. 0.005
\( c \cdot 0.001 \)
D. 0.004 | 3 | Physics |
The boiling point of an azeotropic mixture of water and ethyl alcohol is
less than that of theoritical value of
water and alcohol mixture. Hence the
mixture shows:
A. that solution is saturated
B. positive deviation from Raolt's law
c. negative deviation from Raoult's law
D. that solution is super saturated | 1 | Chemistry |
Each side of a cube is measured to be
7.203 \( \mathrm{m} \). What is the volume of the cube
to appropriate significant figure?
A \( \cdot 373.7 m^{3} \)
в. \( 311.3 m^{3} \)
\( \mathrm{c} \cdot 211.3 m^{3} \)
D. \( 3737 m^{3} \) | 1 | Chemistry |
In Young's double slit experiment with monochromatic source of light of
wavelength \( 6000 A^{\circ}, \) if the path difference at a point on the screen is 6
\( \times 10^{-6} m \) the number of the bright band
formed at that point is:
\( A \cdot 2 \)
B. 4
\( c \cdot 6 \)
D. 10 | 3 | Physics |
Write equations for the following
statements:
If you take away 6 from 6 times \( y, \) you
\( \operatorname{get} 60 \) | 2 | Maths |
If the amount of heat given to a system is \( 35 J \) and the amount of work done on
the system is \( 15 J \), then the change in
internal energy of the system is
A. \( -50 J \)
в. \( 20 J \)
\( c .30 J \)
D. \( 50 J \) | 3 | Physics |
An electric iron is rated \( 220 \vee, 2 k W . \) If
the iron is used for 2 h daily find the cost
of running it for one week if it costs Rs.
4.25 per kWh. | 3 | Physics |
Amount of \( C O_{2} \) mixed annually is
about
A. \( 70 \times 10^{10} \mathrm{Kg} \)
в. \( 70 \times 10^{11} \mathrm{Kg} \)
c. \( 70 \times 10^{13} \mathrm{Kg} \)
D. \( 70 \times 10^{13} g \) | 0 | Biology |
According to IUPAC convention, name of
the following compound is:
A. 3 -chloro-5-ethyl ethylbenzoate
B. ethyl-3-chloro-5-ethylbenzoate
C. metachloro-metaethyl ethylbenzoate
D. both 'b' and 'c' are correct | 1 | Chemistry |
Lymph carries digested and absorbed
fat from
A. Stomach
B. Small intestine
c. colon
D. Oesophagus | 0 | Biology |
Which of the following contraceptive methods do involve a role of hormone?
A. Lactational amenorrhea, Pills Emergency contraceptives
B. Barrier method, Lactational amenorrhea, Pills
c. CuT, Pills, Emergency contraceptives
D. Pills, Emergency contraceptives, Barrier methods | 0 | Biology |
Active transport is characterized by
A. Requires special membrane proteins
B. Highly selective
C . Requires energy
D. All of the above | 0 | Biology |
Out of the given oxides, how many of these are the anhydrides of dibasic oxyacid?
(i) \( \boldsymbol{S O}_{2} \)
(ii) \( P_{4} O_{10} \)
(iii) \( N O_{2}(\text { iv }) C O_{2}(v) \)
\( \boldsymbol{L} \boldsymbol{i}_{2} \boldsymbol{O}\left(v_{i}\right) \boldsymbol{C O}\left(v_{i i}\right) \boldsymbol{C l O}_{2}\left(v_{i i i}\right) \boldsymbol{C l}_{2} \boldsymbol{O}(i \mathbf{x}) \)
\( \boldsymbol{I}_{2} \boldsymbol{O}_{5} \) | 1 | Chemistry |
Match the reactions in Column I with
nature of the reactions/type of the products in Column II. | 1 | Chemistry |
Which of the following helps eye to adjust the focal length of the lens?
A. Cornea
B. Iriss
c. ciliary body
D. Retina | 0 | Biology |
What reagent and/or reaction sequence below would convert trans-3-hexene to
meso-3,4-hexanediol?
A \( \cdot O s O_{4},\left(C H_{3}\right)_{3} C C O O H,\left(C H_{3}\right)_{3} C O H, N a O H \)
B. \( O_{3} \) followed by \( Z n / H_{2} O \)
C. \( B_{2} H_{6} / \) diglyme followed by \( H_{2} O_{2} / N a O H \)
D. \( C H_{3} C O_{3} H \) followed by \( N a O H / H_{2} O \) | 1 | Chemistry |
Compound (A) will be:
condensation
\( \mathbf{A} \cdot P h-C \equiv C-C \equiv C-C H O \)
B \( . P h-C \equiv C-C H=C H-C H O \)
\( \mathbf{c} \cdot P h-C H=C H-C \equiv C-C H O \)
\( \mathbf{D} \cdot P h-C H=C H-C=C H-C O_{2} H \) | 1 | Chemistry |
There are \( _{\text {一一一一一一 }} \) isotopes of oxygen
A. 0
B.
\( c \cdot 2 \)
D. | 3 | Physics |
The reaction of the benzyl chloride with sodium cyanide followed by reduction with hydrogen in the presence of nickel gives:
A. \( \beta \) -phenyl ethylamine
B. N-isobutylaniline
c. benzyl amine
D. aniline | 1 | Chemistry |
One of the methods of producing He is to bombard \( L i \) with the following
projectile
A . \( \alpha \) -particles
B. electrons
c. protons
D. neutrons | 3 | Physics |
The correct statement(s) pertaining to
the adsorption of a gas on a solid surface is/are:
This question has multiple correct options
A. Adsorption is always exothermic
B. Physisorption may transform into chemisorption at high temperature
C. Physisorption increases with increasing temperature but chemisorption decreases with increasing temperature
D. Chemisorption is more exothermic than physisorption, however it is very slow due to higher energy of activation | 1 | Chemistry |
Assertion
If \( A, B, C \) are three events such that \( P(A)=\frac{1}{4}, P(B)=\frac{1}{6} \& P(C)=\frac{2}{3} \)
then events \( A, B, C \) are mutually exclusive.
Reason
If \( \boldsymbol{P}(\boldsymbol{A} \cup \boldsymbol{B} \cup \boldsymbol{C})=\boldsymbol{P}(\boldsymbol{A})+\boldsymbol{P}(\boldsymbol{B})+ \)
\( \boldsymbol{P}(\boldsymbol{C}) \) then \( A, B, C \) are mutually
exclusive events.
A. Both Assertion \& Reason are individually true \& Reason is correct explanation of Assertion
B. Both Assertion \& Reason are individually true but Reason is not the , correct (proper) explanation of Assertion
c. Assertion is true but Reason is false
D. Assertion is false but Reason is true | 2 | Maths |
\( \left\{\begin{array}{ccc}\text { Find } \lim _{x \rightarrow 0} f(x) & \text { where } f(x)= \\ x-1 & \text { if } & x<0 \\ 0 & \text { if } & x=0 \\ x+1 & \text { if } & x>0\end{array}\right. \) | 2 | Maths |
"Every great physical theory starts as a heresy and ends as a dogma."Give some examples from the history of science of the validity of this incisive
remark. | 3 | Physics |
When 100 volt dc is applied across a
coil, a current of \( 1 a m p \) flows through it,
when \( 100 v o l t \) ac of \( 50 H z \) is applied to
the same coild only \( 0.5 a m p \) flows.
Calculate the resistance and
inductance of the coil. | 3 | Physics |
The surface area of the drop is:
Spherical drop
\( \mathbf{A} \cdot 4 \pi R^{2} \)
\( \mathbf{B} \cdot 4 \pi\left(9 t^{2} R^{4}\right)^{1 / 3} \)
\( \mathbf{C} \cdot 4 \pi\left(9 t^{4} R^{2}\right)^{1 / 3} \)
D. \( 4 \pi R(t+R) \) | 3 | Physics |
Assertion
A body having the uniform density has
same point, as centre of gravity and
centre of buoyancy
Reason
While formulating the equation for positioning centre of mass and centre of buoyancy,has difference of the term
of uniform density only.
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 |
In the set of triangles in a plane the relation 'is similar to' is an equivalence relation. Prove | 2 | Maths |
Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object? | 3 | Physics |
What is asthma? | 0 | Biology |
A planet in solar system has a mass double that of earth and density equal to that of earth. An object weigh Won the earth, will weigh on the other
planet as \( W^{1} . \) Then:
\( \mathbf{A} \cdot W^{1}=W \)
В. \( W^{1}=2 W \)
c. \( w^{1}=\frac{W}{2} \)
D.
\[
W^{1}=2^{\frac{1}{3}} W
\] | 3 | Physics |
\( p H \) of water is 7 when any substance \( Y \)
is dissolved in water then \( p H \) becomes
13. Substance \( Y \) is a salt of:
A. strong acid and strong base
B. strong acid and weak base
c. weak acid and weak base
D. weak acid and strong base | 1 | Chemistry |
Portion of gene which is transcribed but not translated is
\( A \). Exon
B. Intron
c. cistron
D. codon | 0 | Biology |
The displacement of a particle along the
\( x \) -axis is given by \( x=a \sin ^{2} \omega t . \) The
motion of the particle corresponds to.
A. simple harmonic motion of frequency \( \omega / \pi \)
B. Simple harmonic motion of frequency \( 3 \omega / 2 \pi \)
c. Non simple harmonic motion
D. Simple harmonic motion of frequency \( \omega / 2 \pi \) | 3 | Physics |
Which Lewis structure below has
been drawn incorrectly?
A . H: H
B. \( \mathrm{H}: \mathrm{C}::: \mathrm{N} \)
\( c \)
\( \mathbf{H}: \dot{\mathbf{O}} \)
D. : N ::: N:
\( \mathbf{F} \cdot \underset{\mathbf{F}}{\mathbf{B}}: \mathbf{F} \) | 1 | Chemistry |
At poles, how is the direction of Polar
winds?
A. Air from Polar region moves in towards the \( 60^{\circ} \) latitude belt
B. Air from the \( 60^{\circ} \) latitude belt moves in towards Polar
region
C. Air from Polar region moves in towards the equatorial region
D. Air from equatorial region moves in towards the Polar region | 3 | Physics |
Ribose sugar differs from deoxyribose in having
A. two extra oxygen molecules
B. one extra oxygen molecules
c. no oxygen
D. Hydroxyl group | 0 | Biology |
Which do you think is a more basic characteristic for classifying
organisms?
a) the place where they leave
b) the kind of cells they are made of
Why? | 0 | Biology |
An electric bulb P rated \( 220 V, 60 W \) is
working at full efficiency. Another identical bulb \( Q \) is connected across the
mains as shown in the figure. The total
power consumed is :
A . \( 20 W \)
в. \( 40 W \)
\( c .30 W \)
D. \( 70 W \) | 3 | Physics |
Classify the following equilibrium
reactions into homogeneous and
heterogeneous
\( \mathbf{A} \cdot 2 N O_{2}(g) \rightleftharpoons 2 N_{2}(g)+O_{2}(g) \)
B \( .2 N H_{3}(g) \rightleftharpoons N_{2}(g)+3 H_{2}(g) \)
\( \mathbf{c} \cdot 2 C u\left(N O_{3}\right)(s) \rightleftharpoons 2 C u O(s)+4 N O_{2}(g) \)
D \( \cdot P C I_{5}(g) \rightleftharpoons P C I_{3}(g)+C I_{2}(g) \) | 1 | Chemistry |
The binding energy per nucleon of \( _{17}^{35} C l \) nucleus is
\( \left(_{17}^{35} C l=34.98000 \mathrm{amu}, m_{P}=1.007825\right. \)
\( \operatorname{amu,m}_{n}=1.008665 \) amu and 1 amu is
equivalent to \( 931 \mathrm{MeV} \) )
A \( .4 .6 \mathrm{MeV} \)
B. \( 5.8 \mathrm{MeV} \)
c. \( 6.5 \mathrm{MeV} \)
D. \( 8.2 \mathrm{MeV} \) | 3 | Physics |
The contents of 100 match boxes were
checked to determine the number of
matches they contained.
No. of \( \quad 35 \quad 36 \)
37
matches
No. of match
\( \begin{array}{ll}\text { 12 } & \text { 15 }\end{array} \)
boxes
Calculate the mean number of matches
per box
A . 38
B. 42
c. 67
D. 51 | 2 | Maths |
Luke Autbeloe drops a pile of roof shingles from the top of a roof located
8.52 meters above the ground. Determine the time required for the shingles to reach the ground.
\( \mathbf{A} \cdot 1 s \)
в. 1.32
c. \( 1.3 s \)
D. \( 1.2 s \) | 3 | Physics |
\( \operatorname{Let} \mathbf{h}(\mathbf{x})=\mathbf{f}(\mathbf{x})-[\mathbf{f}(\mathbf{x})]^{2}+[\mathbf{f}(\mathbf{x})]^{3} \) for
every real number x then
A. h is increasing whenever fis increasing
B. h is increasing whenever f is decreasing
c. \( h \) is decreasing whenever \( f \) is increasing
D. Nothing can be said in general | 2 | Maths |
An unbiased die is thrown twice. Let the
even \( A \) be \( ^{\prime} \) odd \( ^{\prime} \) number on the first
throw and \( B \) the event \( ^{\prime} \) odd number on
the second throw'. Check the
independence of the events \( A \) and \( B \). | 2 | Maths |
If true enter 1 , else enter 0
When ethene reacts with \( H_{2} \), ethane is
formed. The \( \pi \) bond of \( C=C \) is affected.
Thus, \( \pi \) bond is more reactive than \( \sigma \)
bond. | 1 | Chemistry |
When the direction of nerve impulse is reversed, the condition is
A. Axo - Axonic synapse
B. Axo - Dendritic synapse
c. Both of the above
D. None of the above | 0 | Biology |
A wire of length L can support a load W. If the wire is broken in to two equal parts then how much load can be suspended by one of those cut wires?
A . Half
B. Same
c. Double
D. One fourth | 3 | Physics |
The comparatively high b.pt of \( \boldsymbol{H} \boldsymbol{F} \) is
due to:
A. high reactivity of fluoring
B. small size of hydrogen atom
C. formation of hydrogen bonds and consequent association
D. high IE of flourine | 1 | Chemistry |
Ketoenol tautomerism is not observed
in:
This question has multiple correct options
A. phenol
B. glycerol
\( \mathbf{c} \cdot H C N \)
D. benzophenone | 1 | Chemistry |
Snow blindness is cause due to
A. Ozone hole
B. Nuclear winter
c. Acid rain
D. Green house effect | 0 | Biology |
A respiratory cycle where \( N A D H_{2} \) is
produced is the
A. Calvin cycle.
B. Krebs cycle.
c. EMP pathway
D. HMP shunt | 0 | Biology |
Which of the following does not react with xenon to form compunds?
A \( . O S e F_{5} \)
в. \( O T e F_{5} \)
\( c \cdot F_{2} \)
D. \( N_{2} \) | 1 | Chemistry |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.