KCET Question Paper with Solution 2019 April 29th & 30th

KCET Physics Question Paper with Solution 2019 April 29th & 30th

A

speeds up in dee

B

undergoes acceleration all the time

C

slows down within a dee and speeds up between dees

D

speeds up between the dees because of the magnetic field.

A

Both voltage and current sensitivity remains constant

B

Voltage sensitivity increases 3 times and current sensitivity remains constant

C

Both voltage and current sensitivity decreases by 33%

D

Voltage sensitivity remains constant and current sensitivity increases 3 times

A

domains are partially aligned.

B

magnetic moment of each molecule is zero

C

domains are all perfectly aligned

D

the individual molecules have non-zero magnetic moment which are all perfectly aligned

A

both number density of charge carriers and relaxation time increase

B

number density of charge carriers increases

C

number density of current carriers increases, relaxation time decreases but effect of decrease in relaxation time is much less than increase in number density

D

relaxation time increases

A

is low at high and low frequencies and constant at mid frequencies

B

remains constant for all frequencies

C

constant at high frequencies and low at low frequencies

D

is high at high and low frequencies and constant in the middle frequency range

A

P = 0, Q = l

B

P = 0, Q = 0

C

P = l, Q = 1

D

P = 1, Q = 0

A

Total linear momentum

B

Total kinetic energy

C

Speed of each body

D

Total mechanical energy

A

of the order of $10^{−10}$ m

B

zero

C

of the order of $10^{−6}$ m

D

of the order of $10^{−14}$ m

A

n independent of n

B

$\frac{1}{n^2}$

C

$\frac{1}{n^3}$

D

n

A

$3.16 \times 10^{−34}$ Js

B

$1.05 \times 10^{−34}$ Js

C

$4.22 \times 10^{−34}$ Js

D

$2.11 \times 10^{−34}$ Js

A

decrease

B

increase

C

increase or decrease depending on whether the semicircle bulges towards the resistance or away from it

D

remain same

A

2.7 A, 220 V

B

1.2 A, 120 V

C

2.2 A, 220 V

D

1.5 A, 100 V

A

$\frac{V}{R^2+\omega^2L^2}$

B

$\frac{R^2+\omega^2L^2}{V}$

C

$\frac{V^2R}{\sqrt{R^2+\omega^2L^2a}}$

D

$\frac{V^2R}{R^2+\omega^2L^2}$

A

$\vec{B_{y}}=\frac{E_{o}}{C}sin\left(kx-\omega t\right)\widehat{j}$

B

$\vec{B_{y}}=E_{o}Csin\left(kx-\omega t\right)\hat{j}$

C

$\vec{B_{z}}=\frac{E_{o}}{C}sin\left(kx-\omega t\right)\widehat{k}$

D

$\vec{B_{z}}=E_{o}Csin\left(kx-\omega t\right)\hat{k}$

A

dispersion of light by water molecules during the formation of a rainbow

B

reflection of light by plane mirror

C

scattering of light by air particles

D

total internal reflection of light in air during a mirage

A

Buoyancy in water at 0 °C will be same as that in water at 4 °C

B

Buoyancy will be less in water at 0 oC than that in water at 4 oC

C

Buoyancy may be more or less in water at 4 oC depending on the radius of the sphere

D

Buoyancy will be more in water at 0 °C than that in water at 4 oC

A

conservation of momentum

B

conservation of current density vector

C

conservation of charges

D

conservation of energy

A

$\frac{3}{10}\frac{\mu_{0}I}{R}$

B

$\frac{7}{14}\frac{\mu_{0}I}{R}$

C

$frac{\mu_{0}I}{12R}$

D

$\frac{5}{12}\frac{\mu_{0}I}{R}$

A

150 pF

B

50 pF

C

300 pF

D

100/3 pF

A

$\frac{Q}{3}, \frac{2Q}{3}$

B

$\frac{Q}{2}, \frac{Q}{2}$

C

$\frac{Q}{5}, \frac{4Q}{5}$

D

$\frac{Q}{4}, \frac{3Q}{4}$

A

electron number density depends on temperature

B

electron number density is very large

C

relaxation time is small

D

drift velocity of electron is very large

A

a torque but not a force

B

a force and torque

C

neither a force nor a torque

D

a force but not a torque

KCET Chemistry Question Paper with Solution 2019 April 29th & 30th

A

Buna-S

B

Natural rubber

C

Buna-N

D

Neoprene

A

Cetyl trimethyl ammonium bromide

B

Sodium dodecyl benzene sulphonate

C

Sodium lauryl sulphate

D

Sodium stearate

A

Amoxycillin

B

Chloroxylenol

C

Bromopheneramine

D

Morphine

A

Lanthanoids

B

Halogens

C

Actinoids

D

Transition elements

A

Atomic size of Ce is more than that of Lu.

B

Ce shows common oxidation states of +3 and +4.

C

Ce4+ is a reducing agent.

D

Ce in +3 oxidation state is more stable than in +4.

A

The vapours contain CrO2Cl2 and Cl2.

B

The vapours when passed into lead acetate in acetic acid gives a yellow precipitate.

C

The vapours give a yellow solution with NaOH.

D

The vapours contain CrO2Cl2 only.

A

Metals in highest oxidation states are more stable in oxides than in fluorides,

B

All elements of 3d series exhibit variable oxidation states.

C

In highest oxidation states, the transition metals show acidic character.

D

Mn3+ and Co3+ are oxidizing agents in aqueous solution.

A

decrease

B

increase or decrease depending on the strength of the current.

C

increase

D

remains unchanged

A

P < Si < C < N

B

Si < P < C < N

C

C < N < Si < P

D

P < Si < N < C

A

0.1 M BaCl2

B

0.1 M AlCl3

C

0.1 M NaCl

D

Pure water

A

logK=logV+logT

B

$\frac{d(ln V)}{dT} = \frac{1}{T}$

C

$\frac{V}{T}=K$

D

logV=logK+logT

A

Benzoyl peroxide

B

Sn and NaOH solution

C

Tollen’s reagent

D

I2 and NaOH solution

A

(CH3)2NH

B

C6H5NH2

C

CH3NH2

D

(CH3)3N

A

m & p directing property of −NH2 group

B

isomerization of some p-nitroaniline into m-nitroaniline

C

m-directing property of −NH2 group

D

protonation of −NH2 which causes deactivation of benzene ring

A

Phosphodisulphide linkage

B

Sulphodiester linkage

C

Phosphoester linkage

D

Phosphodiester linkage

A

Amylose

B

Glycine

C

Fibrous protein

D

Vitamin-C

A

$N_{2\left(g\right)} + 3H_{2\left(g\right)} \to 2NH_{3\left(g\right)}N_{2\left(g\right)}$

B

$CH_{4\left(g\right) }+ 2O_{2\left(g\right)} \to CO_{2\left(g\right)} + 2H_{2}O_{\left(l\right)}$

C

$N_{2\left(g\right)} + O_{2\left(g\right)} \to 2NO_{\left(g\right)}$

D

$CaCO_{3\left(S\right)} \to CaO_{\left(S\right)} + CO_{2\left(g\right)}$

A

a -> 3, b -> 1, c -> 4, d -> 2

B

a -> 4, b -> 2, c -> 3, d -> 1

C

a -> 3, b -> 4, c -> 1, d -> 2

D

a -> 2, b -> i, c -> 2, d -> 4

A

NaHCO3

B

Na metal

C

Blue litmus solution

D

Na2CO3

A

NaBH4, PCC, H2/Pd

B

H2/Pd, alk. KMnO4, NaBH4

C

H2/Pd, PCC, NaBH

D

NaBH4, alk. KMnO4, H2/Pd

A

weaker acid than propanoic acid

B

stronger than dichloropropanoic acid

C

stronger acid than propanoic acid

D

as stronger as propanoic acid

A

F2 oxidises H2O to O2 but Cl2 does not.

B

Fluoride is a good oxidizing agent.

C

Cl2 oxidises H2O to O2 but F2 does not.

D

Cl2 is a stronger oxidizing agent than F2 .

A

[Cr(H2O)5 NO3] (NO3)2

B

[Cr(H2O)5NO2] NO3

C

[Cr(H2O)6] (NO3)3

D

[Cr(H2O)6] (NO2)2

A

ln k vs 1/T plot is a straight line.

B

presence of catalyst will not alter the value of Ea

C

Rate constant k = Arrhenius constant A: if Ea = 0

D

e-Ea/RT gives the fraction of reactant molecules that are activated at the given temp

A

Oxidation of SO2 in lead chamber process

B

manufacture of NH3 by Haber’s process

C

oxidation of NH3 in Ostwald’s process

D

oxidation of SO2 in contact process

A

Azurite

B

Chalcopyrite

C

Malachite

D

Cuprite

A

Combustion product is ecofriendly.

B

Hydrogen gas can be easily liquefied and stored.

C

High calorific value

D

The combustible energy of hydrogen can be directly converted to electrical energy in a fuel cell.

A

CH2=CH−Cl

B

CH2=CH−CH2−NH2

C

CH2=CH−CH=CH2

D

CH2=CH−C≡N

A

H2|Pd−C

B

Zn in dil. HCl

C

H2|Ni

D

Na in liq. NH3

A

reduction in dissolved oxygen

B

decreases BOD

C

increase of nutrients in water

D

reduction in water pollution

KCET Mathematics Question Paper with Solution 2019 April 29th & 30th

A

$\begin{bmatrix}3&-15&5\\ -1&6&-2\\ 1&-5&2\end{bmatrix}$

B

$\begin{bmatrix}3&-1&1\\ -15&6&-5\\ 5&-2&2\end{bmatrix}$

C

$\begin{bmatrix}3&-15&5\\ -1&6&-2\\ 1&-5&-2\end{bmatrix}$

D

$\begin{bmatrix}3&-5&5\\ -1&-6&-2\\ 1&-5&2\end{bmatrix}$

A

zero matrix

B

identity matrix

C

skew symmetric matrix

D

symmetric matrix

A

$\begin{bmatrix}-1&-18\\ 4&-16\\ -5&-7\end{bmatrix} $

B

$\begin{bmatrix}1&3\\ -1&1\\ 2&4\end{bmatrix} $

C

$\begin{bmatrix}1&3\\ -1&1\\ 2&-4\end{bmatrix} $

D

$ \begin{bmatrix}1&-3\\ -1&1\\ 2&4\end{bmatrix} $

A

$- \frac{x^{3} .\cos3x}{3} + \frac{x^{2} \sin3x}{3} + \frac{2x \cos3x}{9} - \frac{2\sin3x}{27} +C $

B

$- \frac{x^{3} \cos3x}{3} - \frac{x^{2} \sin3x}{3} + \frac{2x \cos3x}{9} - \frac{2\sin3x}{27} +C $

C

$- \frac{x^{3} \cos3x}{3} + \frac{x^{2} \sin3x}{3} - \frac{2x \cos3x}{9} - \frac{2\sin3x}{27} +C $

D

$ \frac{x^{3} \cos3x}{3} + \frac{x^{2} \sin3x}{3} - \frac{2x \cos3x}{9} - \frac{2\sin3x}{27} +C $

A

$\frac{2}{3} - \frac{\pi}{4}$

B

$\frac{\pi}{4} - \frac{3}{2}$

C

$\frac{\pi}{4} - \frac{2}{3}$

D

$\frac{3}{2} - \frac{\pi}{4}$

A

$\sqrt{2} + 1 $ Sq.units

B

$\sqrt{2} - 1 $ Sq.units

C

$ 2 - \sqrt{2} $ Sq.units

D

$ \sqrt{2} $ Sq.units

A

$\frac{1}{x} $

B

$\frac{1}{e_y} $

C

$\frac{1}{y^2} $

D

$ - \frac{1}{y^2} $

A

$\cos^{-1} \left(\frac{5}{2\sqrt{3}}\right)$

B

$\cos^{-1} \left(\frac{9}{\sqrt{364}}\right)$

C

$\sin^{-1} \left(\frac{5}{2\sqrt{3}}\right)$

D

$\sin^{-1} \left(\frac{9}{\sqrt{364}}\right)$

A

$\frac{\sqrt{5}}{3}$

B

$\frac{2 \sqrt{3}}{5}$

C

$\frac{20}{3}$

D

$\frac{2 \sqrt{5}}{3}$

A

5 : 3 internally

B

2 : 1 internally

C

5 : 3 externally

D

3 : 2 externally

A

$4x + 5y \le 20, 3x + 10y \le 30, x \le 6, x, y \ge 0$

B

$4x + 5y \ge 20, 3x + 10y \le 30, x \le 6, x, y \ge 0$

C

$4x + 5y \le 20, 3x + 10y \le 30, x \ge 6, x, y \ge 0$

D

$4x + 5y \ge 20, 3x + 10y \le 30, x \ge 6, x, y \ge 0$

A

$\frac{2 \log 2 }{5}$

B

2 log 2

C

$\frac{4 \log 2 }{5}$

D

log 2

A

$\frac{ - 1 - i \sqrt{3}}{2}$

B

1

C

-1

D

$\frac{ - 1 + i \sqrt{3}}{2}$

A

$\frac{3}{4}$

B

$\frac{4}{5}$

C

$\frac{9}{16}$

D

$\frac{3}{5}$

A

Some continuous functions are not differentiable

B

All continuous functions are not differentiable.

C

All differentiable functions are continuous.

D

Some continuous functions are differentiable

A

$\frac{3}{5}$

B

$\frac{-3}{4}$

C

does not exist

D

$\frac{3}{4}$

A

0 and 2$\pi$

B

0 and $\pi$

C

$\frac{ - \pi}{2}$ and $\frac{\pi}{2}$

D

$\frac{\pi}{2}$ and $2\pi$

A

$1 \le x \le \frac{9}{3}$

B

$ - 1 \le x \le \frac{7}{3}$

C

$ - 1 \le x \le \frac{9}{3}$

D

$1 \le x \le \frac{7}{3}$

A

$\frac{- \hat{i} + \hat{j} - \hat{k}}{\sqrt{3}}$

B

$\frac{ \hat{i} + \hat{j} + \hat{k}}{\sqrt{3}}$

C

$\frac{- \hat{i} - \hat{j} - \hat{k}}{\sqrt{3}}$

D

$\frac{- \hat{i} + \hat{j} - \hat{k}}{\sqrt{3}}$

A

$ 2 [ \vec{a} , \vec{b} , \vec{c} ] $

B

0

C

$ 3 [ \vec{a} , \vec{b} , \vec{c} ] $

D

$ [ \vec{a} , \vec{b} , \vec{c} ] $

A

f (x) = |x| in [-2, 2]

B

f(x) = $x^2 $ - 4x + 5 in [1, 3]

C

f (x) = [x] in [2.5, 2.7]

D

f(x) = $x^2$ - x in [0, 1]

A

[1, 3]

B

$( - \infty , 1) \cup (3, \infty)$

C

$( - \infty , - 1] \cup [3, \infty)$

D

$( - \infty , 1] \cup [3, \infty)$

A

5.001

B

4.999

C

4.897

D

4.899

A

$6 \pi $

B

$3 \pi $

C

3

D

0

A

$\tan^{-1} \sqrt{x} + C $

B

$ 2 \log ( \sqrt{x} + 1 ) + C $

C

$ 2 \tan^{-1} \sqrt{x} + C $

D

$ \frac{1}{2} \tan^{-1} \sqrt{x} + C $

A

$\frac{1}{6} , \frac{-1}{3} , \frac{1}{3} $

B

$\frac{-1}{6} , \frac{1}{3} , \frac{1}{3} $

C

$\frac{ - 1}{6} , \frac{-1}{3} , \frac{1}{3} $

D

$\frac{1}{6} , \frac{1}{3} , \frac{1}{3} $

A

$ 5 - \sqrt{2} + \sqrt{3}$

B

$ 5 - \sqrt{2} - \sqrt{3}$

C

$ - 5 - \sqrt{2} - \sqrt{3}$

D

$ 5+ \sqrt{2} - \sqrt{3}$

A

$\frac{\pi}{2}$

B

$\frac{\pi}{2} - 1 $

C

$\frac{1}{2} $

D

$\frac{\pi}{2} + 1 $

A

$( - \infty , 3] \cap [ 4, \infty)$

B

$( - \infty , 3] \cup[ 4, \infty)$

C

(3, 4)

D

$( \infty , 3] \cup[ 4, \infty)$

A

$x = n \pi + (-1)^n \frac{\pi}{4} , n \in Z $

B

$x = n \pi \pm \frac{\pi}{4} , n \in Z $

C

$x = (2n = 1) \pi \pm \frac{\pi}{4} , n \in Z $

D

$x = 2n \pi \pm \frac{\pi}{4} , n \in Z $

KCET Biology Question Paper with Solution 2019 April 29th & 30th

A

Temperature evergreen forest

B

Tropical rain forest

C

Tropical deciduous forest

D

Desert

A

30-40% of PAR only

B

0-10% of PAR only

C

2-10% of PAR only

D

10-20% of PAR only

A

Montreal Protocol

B

World Summit

C

Kyoto Protocol

D

Earth Summit

A

earthworms in the area got eradicated

B

many of the eggs laid by birds showed pre-matured breaking

C

birds stopped laying eggs

D

birds became vulnerable to predators

A

1400 cc

B

900 cc

C

between 650 cc - 800 cc

D

1800 cc

A

Ringworm is a fungal disease

B

Cancer is a non-infectious disease

C

Pneumonia is a bacterial disease

D

HIV is transmitted by mosquito bite

A

Spermatogonial cells

B

Sertoli cells

C

Leydig cells

D

Follicular cells

A

$14^{th}$ April

B

$29^{th}$ April

C

$18^{th}$ April

D

$10^{th}$ April

A

P-Secondary Spermatocyte, Q-Primary Spermatocyte, R-Spermatozoa, S-Spermatids

B

P-Secondary Spermatocyte, Q-Spermatids, R-Spermatozoa, S-Primary Spermatocyte

C

P-Primary Spermatocyte, Q-Secondary Spermatocyte, R-Spermatids, S-Spermatozoa

D

P-Spermatozoa, Q-Spermatids, R-Secondary Spermatocyte, S-Primary Spermatocyte

A

Coitus interrupts

B

IUDs-Intrauterine Devices

C

Lactational Amenorrhoea

D

Periodic Abstinence

A

Trypanosoma

B

Leishmania

C

Entamoeba

D

Plasmodium

A

Dried Petals

B

Dried Tepals

C

Dried Sepals

D

Dried Integuments

A

The climatic conditions are not uniform throughout year.

B

The temperature is high.

C

The water stress is more.

D

The climatic conditions are uniform throughout the year.

A

Satellite

B

Centromere

C

Kinetochore

D

Chromatid

A

Increases the post harvest losses

B

Enhances the nutritional value of food.

C

Reduces the reliance on chemical pesticides.

D

Increases efficiency of mineral usage in plants.

A

Both (A) and (R) are true, but (R) is not the correct explanation of (A).

B

Both (A) and (R) are false.

C

(A) is true and (R) is its correct explanation.

D

(A) is true, (R) is false.

A

Mutualism Parasitism Amensalism

B

Mutualism Competition Commensalism

C

Predation Competition Commensalism

D

Parasitism Competition Mutualism

A

Functions as intercellular ground substance.

B

Fights infectious agents.

C

Enables glucose transport into cells.

D

Acts as an enzyme.

A

remain metabolically active

B

remain metabolically inactive

C

show indefinite proliferation.

D

always become cancerous

A

The protons accumulate within the lumen of the thylakoids.

B

The protons accumulate in the intermembrane space of mitochondrion.

C

The proton gradient is not required.

D

The protons accumulate in the intermembrane space of chloroplast.

A

They do not affect non-target pests.

B

They are significant in treating ecologically sensitive area.

C

They help to increase the use of synthetic pesticides

D

They do not show any negative impact on crop plants.

A

Cleaving of vector by REN

B

Making the host cells competent

C

Selection of recombinants

D

Transfer of foreign gene of the host

A

3' ACGAATTCAT5' 5'TGCTTAAGTA3'

B

5'TACTTAAGCA3' 3'ATGAATTCGT5'

C

5'ACGAATTCAT3' 3'TGCTTAAGTA5'

D

5'TGCTTAAGTA3' 3'ACGAATTCAT5'

A

Gametophyte is diploid.

B

They are dioecious

C

Plant body is haploid.

D

They are gametophytes

A

it facilitates cross pollination

B

it prevents cross pollination

C

it facilitates self pollination

D

it attracts pollinators

A

Bagging $\to$ Artificial pollination $\to$ Rebagging $\to$ Emasculation

B

Emasculation $\to$ Bagging $\to$ Artificial pollination $\to$ Rebagging

C

Rebagging $\to$ Artificial pollination $\to$ Bagging $\to$ Emasculation

D

Artificial pollination $\to$ Emasculation $\to$ Rebagging $\to$ Bagging

A

Tryptophan

B

Tyrosine

C

Phenylalanine

D

Valine

A

Termination factor

B

Sigma factor

C

Elongation factor

D

Rho factor

A

Crossbreeding

B

Interspecific hybridization

C

Outcrossing

D

Inbreeding

A

they are produced using synthetic fertilisers

B

they have high fibre content

C

they give more biomass in less time.

D

their proteins are different from plant proteins.

A

Thalassemia

B

Phenyl Ketonuria

C

Sickle-cell Anaemia

D

Haemophilia

A

Guanine

B

Thymine

C

Adenine

D

Cytosine

A

Both M and N are geometric phases

B

M is arithmetic phase and N is geometric phase.

C

Both M and N are arithmetic phases

D

M is geometric phase and N is arithmetic phase.

A

Under-secretion of amylopsin

B

Inflammation of liver

C

Under-secretion of saliva

D

Intestinal ulcers

A

Person with blood group AB can donate blood to person with blood group A

B

Atherosclerosis is often referred as anginapectoris.

C

Histamine, Serotonin and Heparin are secreted by basophils

D

Erythroblastosis foetalis may result when foetus is $Rh^{−ve}$ and mother $ Rh^{+ve}$

A

Only rods are absent

B

Both cones and rods are present

C

Only cones are absent

D

Both cones and rods are absent