NEET Question Paper with Solution 2019 May 5th

NEET Physics Question Paper with Solution 2019 May 5th

A

Rainbow can't be observed when observer faces towards sun.

B

Rainbow is a combined effect of dispersion, refraction and reflection of sunlight

C

When the light rays undergo two internal reflections in a water drop, a secondary 7. rainbow is formed.

D

The order of colours is reversed in the secondary rainbow.

A

$\frac{A\omega^2}{2}$

B

zero

C

$\frac{A\omega}{2}$

D

A$\omega$

A

$WmK^{-1}$

B

$Wm^{-1}K^{-1}$

C

$JmK^{-1}$

D

$Jm{-1}K^{-1}$

A

A is located in the northern hemisphere and B is located in the southern hemisphere.

B

A and B are both located in the southern hemisphere.

C

A and B are both located in the northern hemisphere.

D

Ais located in the southern hemisphere and B is located in the northern hemisphere.

A

switch

B

fuse

C

conductor

D

inductor

A

y(t) = 3 cos ($\frac{3\pi\,t}{2}$) , where y in m

B

y(t) = 3 cos ($\frac{\pi\,t}{2}$) , where y in m

C

y(t) = 3cos2$\pi$ t , where y in m

D

y(t) = 4 sin ($\frac{\pi\,t}{2}$) , where y in m

A

electromagnet

B

electric heater

C

induction furnace

D

magnetic braking in train

A

Holes are the majority carriers and pentavalent atoms are the dopants.

B

Electrons are the majority carriers and pentavalent atoms are the dopants.

C

Electrons are the majority carriers and trivalent atom >re the dopants.

D

Holes are the majority carriers and trivalent atoms are the dopants.

A

decrease in its pressure

B

decrease in intermolecular distance

C

increase in its mass

D

increase in its kinetic energy

A

remain constant

B

change according to the smallest force $\overrightarrow{QR}$

C

increase

D

decrease

A

2electrons and 4 protons only

B

2 protons only

C

2 protons and 2 neutrons only

D

2 electrons, 2 protons and 2 neutrons

A

3.4 eV, —6.8eV

B

3.4 eV. 3.4 eV

C

-3.4 eV, - 3.4 eV

D

-3.4 eV, -6.8cV

A

the mass is at the lowest point

B

inclined at an angle of $60^{\circ}$ from vertical

C

the mass is at the highest point

D

the wire is horizontal

A

zero as r increases for r < R. increases as. r increases for r > R

B

decreases as r increases for r < R and r>R

C

increases as r increases for r < R and for 4F r > R

D

zero as r increases for r < R. decreases r as increases for r > R

A

$V_1 = V_2$ and $i_1$ = $i_2$

B

$V_2 = V_1$ and $i_1$ > $i_2$

C

$V_2 > V_1$ and $i_1$ = $i_2$

D

$V_1 = V_2$ and $i_1$ > $i_2$

A

green

B

violet

C

red

D

blue

NEET Chemistry Question Paper with Solution 2019 May 5th

A

Sublimation of solid to gas

B

$2H(g) \rightarrow H_2(g)$

C

Evaporation of water

D

Expansion ofa gas at constant temperature

A

Zn/HCl

B

$Hg^{2+}/H^+,H _20$

C

$Na/liquid NH_3$

D

$H_2$. Pd / C, quinoline

A

amoxycillin

B

chloramphenicol

C

penicillin G

D

ampicillin

A

$\Delta_mix$ H=0at constant T and P

B

$\Delta_mix$ G = 0 at constant T and P

C

$\Delta_mix$ S= Oat constant T and P

D

$\Delta_mix$ V$\ne$0 at constant T and P

A

$[Sn(OH)_6]^{2-}$

B

$[SiCl_6]^{2-}$

C

$[SiF_6]^{2-}$

D

$[GeCl_6]^{2-}$

A

$OH^-$ and $F^-$, respectively

B

$H_3O^+$ and $H_2F^+$, respectively

C

$OH^-$ and $H_2F^+$, respectively

D

$H_3O^+$ and $F^-$ respectively

A

Axial P —Cl bonds are longer than equatorial P—Cl bonds

B

$\ce{PCI_5}$ molecule is non-reactive

C

Three equatorial P - Cl bonds make an angle of 120° with each other

D

Two axial P - Cl bonds make an angle of 180° with each other

A

nylon-6

B

Buna-S

C

nylon-6,6

D

nylon 2-nylon 6

A

$(CH_3)_3N > (CH_3)_2NH > CH_3NH_2$

B

$CH_3NH_2> (CH_3)2NH > (CH_3)_3N$

C

$(CH_3)_2NH > CH_3NH_2 > (CH_3)_3N$

D

$(CH_3)_3N > CH_3NH_2> (CH_3)_2NH$

A

6p > 5f > 4d > 5p

B

5f > 6p > 4d > 5p

C

5f > 6p > 5p > 4d

D

6p > 5f > 5p > 4d

A

100 ml. of 0.1 M HC1 + 200 mL of 0.1 M NH4OH

B

100 mL of 0.1 M HCI + 100 mL of 0.1 M NaOH

C

50 mL of 0 .1 M NnOH + 25 mL of 0.1 M CH3COOH

D

100 mL of 0.1 M CH3COOH + 100 mL 0.1 MNaOH

A

$H_2Po < H_2Te< H_2Se < H_2S < H_20$

B

$H_2Se < H_2Te< H_2P_o < H_20 < H_2S$

C

$H_2S < H_20 < H_2Se < H_2Te< H_2 P_o$

D

$H_20 < H_2S < H_2Se < H_2Te < H_2P_o$

A

50 mL of 2 M $\ce{AgNO_3}$ + 50 mLof 1.6 M KI

B

50 mL of 0.1 M $\ce{AgNO_3}$ + 50 mL of 0.1 MKI

C

50 mL of 1M $\ce{AgNO_3}$ + 50 mL of 1.5 M Kl

D

50 mL of 1M $\ce{AgNO_3}$ + 50 mL of 2M KI

A

$Fe_3O_4$

B

$CuCO_3.Cu(OH)_2$

C

$CuFeS_2$

D

$Cu(OH)_2$

A

$GeX_4$ (X= F, Cl. Br. I) is more stable than $GeX_2$

B

$SnF_4$ is ionic in nature

C

$PbF_4$ is covalent in nature

D

$SiCl_4$, is easily hydrolysed

A

Acetone + Carbon disulphide

B

Heptane + Octane

C

Water + Nitric acid

D

Ethanol + Water

A

11 $\sigma$ bonds and 2 $\pi$ bonds

B

13 $\sigma$ bonds and no $\pi$bonds

C

10 $\sigma$ bonds and 3 $\pi$bonds

D

8 $\sigma$ bonds and 5 $\pi$bonds

A

alanine

B

lysine

C

valine

D

leucine

A

$Mg(OH)_2$

B

$Be(OH)_2$

C

$Sr(OH)_2$

D

$Ca(OH)_2$

A

ozone

B

sulphur dioxide

C

nitrous oxide

D

methane

A

Z< 1 and attractive forces are dominant

B

Z < 1 and repulsive forces are dominant

C

Z> 1and attractive forces are dominant

D

Z> 1and repulsive forces are dominant

A

La < B < Be < C < N < O < F < Ne

B

Li< Be < B < C < 0 < N < F < Ne

C

Li < Be < B < C < N < O < F < Ne

D

Li < B < Be < C < O < N < F < Ne

A

$-\frac{d\left[N_{2}\right]}{dt}=\frac{1}{2}\frac{d\left[NH_{3}\right]}{dt}$

B

$3\frac{d\left[H_{2}\right]}{dt}=2\frac{d\left[NH_{3}\right]}{dt}$

C

$-\frac{1}{3}\frac{d\left[H_{2}\right]}{dt}=2\frac{d\left[NH_{3}\right]}{dt}$

D

$-\frac{d\left[N_{2}\right]}{dt}=2\frac{d\left[NH_{3}\right]}{dt}$

A

The $\pi$ bonding involves overlap of p-orbitals of oxygen with p-orbitals of manganese

B

The $\pi$ bonding involves overlap of d-orbitals of oxygen with d-orbitals of manganese

C

The $\pi$ bonding involves overlap of p-orbitals of oxygen with d-orbitals of manganese

D

There is no $\pi$- bonding

A

lon-exchange method

B

Synthetic resins method

C

Calgon's method

D

Clark's method

A

$0.125\times 10^{-15}$

B

$0.5\times10^{-10}$

C

$0.5\times10^{-15}$

D

$0.25\times10^{-10}$

NEET Biology (Botany & Zoology) Question Paper with Solution 2019 May 5th

A

Oscillatoria, Rhizobium, Trichoderma

B

Nostoc, Azospirillium, Nucleopolyhedrovirus

C

Bacillus thuringiensis, Tobacco mosaic virus, Aphids

D

Trichoderma, Baculovirus, Bacillus thuringiensis

A

Activity of cambium depends upon variation in climate.

B

Annual rings are not prominent in trees of temperate region.

C

Annual ring is a combination of spring wood and autumn wood produced in a year.

D

Differential activity of cambium causes light and dark bands of tissue - early and late wood respectively.

A

small and directional

B

small and directionless

C

random and directional

D

random and directionless

A

Progestasert, LNG-20

B

Lippes Loop, Multiload 375

C

Vaults, LNG-20

D

Multiload 375, Progestasert

A

The enzyme cuts the sugar-phosphate backbone at specific sites on each strand

B

The enzyme recognizes a specific palintlroiuic nucleotide sequence in the DNA.

C

The enzyme cuts DNA molecule at identified position within the DNA.

D

The enzyme binds DNA at specific sites and cuts only one of the two strands

A

construction of roads

B

making tubes and pipes

C

making plastic sacks

D

use as a fertilizer

A

Secretion of erythropoietin by Juxtaglomerular complex

B

Hydrostatic pressure during glomerular liltrntion.

C

Low levels of antidiuretic hormone

D

Maintaining hyperosmolarity towards inner medullary interstitium in the kidneys

A

q-arm and p-arm respectively

B

m-arm and n-arm respectively

C

s-arm and 1-arm respectively

D

p-arm and q-arm respectively

A

Genital herpes

B

Chlamydiasis

C

Gonorrhoea

D

Genital warts

A

CuT, Pills, Emergency contraceptives

B

Pills, Emergency contraceptives, Barrier methods

C

Lactational amenorrhea, Pills, Emergency contraceptives

D

Barrier method, Lactational amenorrhea, Pills

A

Conidia are produced exogenously and asenspores endogenously.

B

Yeasts have filamentous bodies with long thread-like hyphae.

C

Morels and truffles are edible delicacies.

D

Claviceps is a source of many alkaloids and LSD.

A

Insertion of A and G at 4th and 5th positions respectively

B

Deletion of GGU from 7th, 8th and 9th positions

C

1nsertion of G at 5th position

D

Deletion of G from 5th position

A

Infective constituent in viruses is the protein coat.

B

Prions consist of abnormally folded proteins.

C

Viroids lack a protein coat.

D

Viruses are obligate parasites.

A

Lysosomes and Vacuoles

B

Nuclear envelope and Mitochondria

C

Mitochondria and Lysosomes

D

Chloroplast and Vacuoles

A

Dump the waste within rocks under deep ocean

B

Bury the waste within rocks deep below the Earth's surface

C

Shoot the waste into space

D

Bury the waste under Antarctic ice-cover

A

Botanical Garden

B

Sacred Grove

C

Biosphere Reserve

D

Wildlife Sanctuary

A

Pyramid of biomass in a forest

B

Pyramid of biomass in a sea

C

Pyramid of numbers in grassland

D

Pyramid of energyi

A

Streptokinase

B

Lipases

C

Cyclosporin A

D

Statin

A

Inner membrane is convoluted with mfoldings.

B

Mitochondrial matrix contains single circular DNA molecule nnd ribosomes.

C

Outer membrane is permeable to monomers of carbohydrates, fats and proteins.

D

Enzymes of electron transport are embedded in outer membrane.

A

glyooeylation of morphine

B

nitration of morphine

C

methylation of morphine

D

acetylation of morphine

A

Seminiferous tubules → Vasa efferentia → Epididymis → Inguinal canal → Urethra

B

Testis → Epididymis → Vasa efferentia → Vas deferens → Ejaculatory duel → Inguinal canal → Urethra → Urethral meatus

C

Testis → Epididymis → Vasa efferentia → Rete testis → ilnguinal canal → Urethra

D

Seminiferous tubules → Rete testis → Vasa efferentia → Epididymis → Vas deferens → Ejaculatory duct → Urethra → Urethral meatus

A

Eustachian tube and Salivary duct

B

Bronchioles and Fallopian tubes

C

Bile duct and Bronchioles

D

Fallopian tubes and Pancreatic duct

A

DNA polymorphism

B

Novel DNA sequences

C

Genes expressed as RNA

D

Polypeptide expression

A

Water, mineral salts and some organic nitrogen only

B

Water, mineral salts, some organic nitrogen and hormones

C

Water only

D

Water and mineral salts only

A

Inbreeding selects harmful recessive genes that reduce fertility and productivity

B

Inbreeding helps in accumulation of superior genes and elimination of undesirable genes

C

Inbreeding increases homozygosity.

D

Inbreeding is essential to evolve pureline. in any animal.

A

it has very hard seed coat.

B

its seeds contain inhibitors that prevent germination.

C

its embryo is immature.

D

it has obligate association with mycorrhizae

A

suspend the cell cycle

B

terminate the cell cycle

C

exit the cell cycle

D

enter the cell cycle

A

a → iii, b → i, c → iv, d → ii

B

a → iii, b → iv, c → i, d → ii

C

a → i, b → iii, c → ii, d → iv

D

a → iii, b → i, c → ii, d → iv

A

Ratio of F2 is 1/4 (Red) : 2/4(Pink) : 1/4(White)

B

Law of Segregation does not apply in this experiment

C

This experiment does not follow the Principle of Dominance

D

Pink colour in F1 is due to incomplete dominance.

A

Cornea is convex, transparent layer which is highly vascularised.

B

Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye.

C

Cornea is an external, transparent and protective proteinacious covering of the eye-ball.

D

Cornea consists of dense connective tissue of elastin and can repair itself.

A

Guanine and cytosine

B

Cytosine and thymine

C

Adenine and thymine

D

Adenine and guanine

A

One fuses with the egg, other(s) fuse(s) with synergid nucleus.

B

One Fuses with the egg and other fuses with central cell nuclei.

C

One fuses with the egg, other(s) degenerate(s) in the synergid.

D

All fuse with the egg.

A

a → iii, b → iv, c → i, d → ii

B

a → iv, b → iii, c → i, d → ii

C

a → iii, b → i, c → iv, d → ii

D

a → iii, b → ii, c → i, d → iv

A

Alkaline pH of gut

B

Acidic pH of stomach

C

Body temperature

D

Moist surface of midgut

A

Mangifera indica

B

Mangifera Indica

C

Mangifera indica Car. Linn.

D

Mangifera indica Linn.

A

Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum.

B

There are seven pairs of vertebrosternal, three pairs ofvertebrochondral and two pairs of vertebral ribs.

C

8th. 9th and 10th pairs of ribs articulate directly with the sternum.

D

11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage.

A

to assess threat posed to native species by invasive weed species.

B

for immediate steps to discontinue use of CFCs that were damaging the ozone layer.

C

to reduce CO2, emissions warming.

D

for conservation of biodiversity and sustainable utilization of its benefits.

A

Lysosomes are membrane bound structures.

B

Lysosomes are formed by the process of packaging in the endoplasmic reticulum.

C

Lysosomes have numerous hydrolytic enzymes.

D

The hydrolytic enzymes of lysosomes are active under acidic pH.

A

Genetic code is nearly universal

B

Genetic code is specific

C

Genetic code is not ambiguous

D

Genetic code is redundant

A

In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

B

Human males have one of their sex-chromosome much shorter than the other.

C

Male fruit fly is heterogametic.

D

In male grasshoppers. 50% of sperms have no sex-chromosome.

A

a lectin

B

a pigment

C

an alkaloid

D

an essential oil

A

Companion cells only

B

Both sieve tubes and companion cells

C

Albuminous cells and sieve cells

D

Sieve tubes only

A

It is drought tolerant, developed using Agrobacterium vector.

B

It has yellow grains, because of a gene introduced from a primitive variety of rice.

C

It is Vitamin A enriched, with a gene from daffodil.

D

It is pest resistant, with a gene from Bacillus thuringiensis.

A

Edward syndrome

B

Down's syndrome

C

Turner’s syndrome

D

Klinefelter's syndrome

A

before entry of sperm into ovum

B

simultaneously with first cleavage

C

after entry of sperm but before fertilization

D

after fertilization

A

Nitrification

B

Denitrification

C

Nitrogen fixation

D

Chemoautotrophic fixation

A

Corpus callosum

B

Medulla oblongata

C

Cerebrum

D

Hypothalamus

A

S → G1 → G2 → M

B

G1 → S → G2 → M

C

M → G1 → G2 → S

D

G1 → G2 → S → M

A

Central cell develops into endosperm

B

Ovules develop into embryo sac

C

Ovary develops into fruit

D

Zygote develops into embryo

A

Activating cyclic AMP located on the cell membrane.

B

Using aquaporin channels as second messenger.

C

Changing the permeability of the cell membrane.

D

Binding to DNA and forming a gene-hormone complex.

A

Methanol at room temperature

B

Chilled chloroform

C

Isopropanol

D

Chilled ethanol

A

Salm onella typhi / Anthrone test

B

Salmonella typhi / Widal test

C

Plasmodium vivax / UTI test

D

Streptococcus pneumoniae / Widal test

A

A unit of distance between genes on chromosomes, representing 1% cross over.

B

A unit of distance between genes on chromosomes, representing 50% cross over.

C

A unit of distance between two expressed genes, representing 10%cross over.

D

A unit of distance between two expressed genes, representing 100% cross over.

A

Myasthenia gravis

B

Botulism

C

Tetany

D

Muscular dystrophy

A

Hilum

B

Tegmen

C

Chalaza

D

Perisperm

A

Shrinkage ofair spaces in spongy mesophy

B

Tyloses in vessels

C

Closure of stomata

D

Flaccidity of bulliform cells

A

Inflammatory immune response

B

Cell-mediated lmmune response

C

Auto-immune response

D

Humoral immune response

A

Gothenburg Protocol

B

Geneva Protocol

C

Montreal Protocol

D

Kyoto Protocol

A

Economic exploitation

B

Alien species invasion

C

Habitat loss and fragmentation

D

Drought and floods

A

proliferation of fibrous tissues and damage of the alveolar walls.

B

reduction in the secretion of surfactants by pneumocytes.

C

benign growth on mucous lining of nasal cavity.

D

inflammation of bronchi and bronchioles.

A

Nitrogen and Sulphur dioxide

B

Carbon dioxide and Methane

C

Ozone and Ammonia

D

Oxygen and Nitrogen

A

Downward

B

Bi-directional

C

Non-multidirectional

D

Upward

A

Pharynx $\rightarrow$ Oesophagus $\rightarrow$ Gizzard $\rightarrow$ Ileum $\rightarrow$ Crop $\rightarrow$ Colon$\rightarrow$ Rectum

B

Pharynx $\rightarrow$ Oesophagus $\rightarrow$ iIleum $\rightarrow$ Crop $\rightarrow$Gizzard$\rightarrow$Colon$\rightarrow$Rectum

C

Pharynx $\rightarrow$ Oesophagus$\rightarrow$ Crop Gizzard$\rightarrow$Ileum$\rightarrow$Colon $\rightarrow$Rectum

D

Pharynx $\rightarrow$ Oesophagus$\rightarrow$ Gizzard $\rightarrow$ Crop$\rightarrow$ Ileum $\rightarrow$ Colon $\rightarrow$ Rectum