NEET Sample Paper Botany

Sample Paper

Botany (English)

Q.No. 1 Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively.
What will be his Expiratory Capacity if the Residual Volume is 1200 mL?

(A) 1500mL

(B) 1700mL

(C) 2200mL

(D) 2700mL

Q.No. 2 Who discovered nucleus?

(A) Robert Brown

(B) Robert Hooke

(C) Brown Hashtings

(D) Newton

Q.No. 3 Given below are four statements pertaining to separation of DNA fragments using Gel
electrophoresis. Identify the incorrect statements. [a] DNA is negatively charged molecule and so it is loaded
gel towards the Anode terminal. [b] DNA fragments travel along the surface of the gel whose concentration
does not affect movement of DNA. [c] Smaller the size of DNA fragments,larger is the distance it travels
through it. [d] pure DNA can be visualized directly by exposing to UV radiation. Choose correct answer
from the options given below :

(A) [b], [c] and [d]

(B) [a], [b] and [d]

(C) [a], [c] and [d]

(D) [a], [b] and [c]

Q.No. 4 Which of the following is not a feature of active transport of solutes in plants ?

(A) Occurs through membranes

(B) Requires ATP

(C) Occurs against concentration gradient

(D) Non-selective

Q.No. 5 In Hatch and Slack pathway, the primary C02 acceptor is -

(A) Phosphoenol pyruvate

(B) Rubisco

(C) Oxaloacetic acid

(D) Phosphoglyceric acid

Q.No. 6 Regeneration of damaged growing grass following grazing is largely due to :

(A) Intercalary meristem

(B) Secondary meristem

(C) Lateral meristem

(D) Apical meristem

Q.No. 7 Which of the following ecological pyramids is generally inverted ?

(A) Pyramid of numbers in grassland

(B) Pyramid of energy

(C) Pyramid of biomass in a forest

(D) Pyramid of biomass in a sea

Q.No. 8 In order to increase the yield of sugarcane Crop, which of following plant growth regulators should
be sprayed ?

(A) Gibberellins

(B) Cytokinins

(C) Ethylene

(D) Auxins

Q.No. 9 In the process of transcription in Eukaryotes, the RNA polymerase I transcribes —

(A) rRNAs—28S, 18S and 5.8 S

(B) Precursor of mRNA, hmRN A

(C) mRNA with additional processing, capping and tailing

(D) tRNA, 5 srRNA and snRNAs

Q.No. 10 Which is the most common type of embryo sac in angiosperms ?

(A) Monosporic with two sequential mitotic divisions

(B) Bisporic with two sequential mitotic divisions

(C) Tetrasporic with one mitotic stage of divisions

(D) Monosporic with three sequential mitotic divisions

Q.No. 11 Match the following genes of the Lac operon with their respective products :

Select the correct option.

(A) a-i b-iii c-ii d-iv

(B) a-iii b-i c-ii d-iv

(C) a-iii b-i c-iv d-ii

(D) a-iii b-iv c-i d-ii

Q.No. 12 Phloem in gymnospérms lacks :

(A) Albuminous cells and sieve cells

(B) Sieve tubes only

(C) Companion Cells Only .

(D) Both Sieve tubes and companion cells

Q.No. 13 Which of the following glucose transporters is insulin-dependent ?

(A) GLUT I

(B) GLUT II

(C) GLUT III

(D) GLUT IV

Q.No. 14 Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for

(A) making plastic sacks

(B) useasa fertilizer

(C) construction of roads

(D) making tubes and pipes

Q.No. 15 Crossing over takes place between which chromatids and in which stage of the cell cycle?

(A) Non-sister chromatids of homologous chromosomes at Zygotene stage of prophase I.

(B) Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I

(C) Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I.

(D) Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I

Q.No. 16 Select the hormone-releasing Intra-Uterine Devices.

(A) Vaults, LNG-20

(B) Multiload 375, Progestasert.

(C) Progestasert, LNG-20

(D) Lippes Loop, Multiload 375

Q.No. 17 Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify
the incorrect statement.

(A) Theenzyme cuts DNA molecule at identified position within the DNA.

(B) The enzyme binds DNA at specific sites and cuts only one of the two strands.

(C) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand.

(D) The enzyme recognizes a specific palindromic nucleotide sequence in the DNA.

Q.No. 18 From evolutionary point of view, retention of the female gametophyte with developing young
embryo on the parent sporophyte for some time, is first observed in :

(A) Liverworts

(B) Mosses

(C) Pteridophytes

(D) Gymnosperms

Q.No. 19 Match the following hormones with the respective disease :

Select the correct option.

(A) a-v b-i c-ii d-iii

(B) a-ii b-iv c-iii d-i

(C) a-v b-iv c-i d-iii

(D) a-ii b-iv c-i d-iii

Q.No. 20 Where is the respiratory electron transport system (ETS) located in plants ?

(A) Inner mitochondrial membrane

(B) Intermembrane space

(C) Mitochondrial matrix

(D) Outer mitochondrial membrane

Q.No. 21 Which of the following statements is incorrect ?

(A) Viroids lack a protein coat

(B) Viruses are obligate parasites

(C) Infective constituent in viruses is the protein coat

(D) Prions consist of abnormally folded proteins

Q.No. 22 Select the correct option.

(A) 8th, 9th and 10th pairs of ribs articulate directly with the sternum.

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

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

(D) There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs.

Q.No. 23 Which of the following statements is correct the origin and evolution of men ?

(A) Homo habilis probably ate meat.

(B) Neanderthal men lived in Asia between 1,00,000 and 40,000 years back.

(C) Agriculture came around 50,000 years back.

(D) The Dryopithecus and Ramapithecus primates 15 million years ago,walked like men.

Q.No. 24 What is the site of perception of photoperiod necessary for induction of flowering in plants ?

(A) Lateral buds

(B) Pulvinus

(C) Shoot apex

(D) Leaves

Q.No. 25 Match the column I with column II. Select the
correct option from the following:

(A) ( a)-(iii), ( b)-(iv), ( c)-(ii), ( d)-(i)

(B) ( a)-(ii), ( b)-(i), ( c)-(iii), ( d)-(ii)

(C) ( a)-(i), ( b)-(iii), ( c)-(ii), ( d)-(iv)

(D) ( a)-(ii),( b)-iv), ( c)-(i), ( d)-(iii)

Q.No. 26 Match column I with column II

Choose the correct answer from the
options given below :

(A) a-iii b-ii c-i d-iv

(B) a-iii b-iv c-iii d-i

(C) a-ii b-iv c-iii d-i

(D) a-iii b-ii c-iv d-i

Q.No. 27 Which of the following statements about ozone is correct ?

(A) Tropospheric ozone is good

(B) Stratospheric ozone protects us from UV radiations

(C) Tropospheric ozone protects us from UV radiations

(D) Stratospheric ozone is bad

Q.No. 28 Expressed Sequence Tags (ESTs) refers to:

(A) Genes expressed as RNA

(B) Polypeptide expression

(C) DNApolymorphism

(D) Novel DNA sequences

Q.No. 29 Which of the following can be used as a biocontrol agent in the treatment of plant disease ?

(A) Trichoderma

(B) Chlorella

(C) Anabaena

(D) Lactobacillus

Q.No. 30 What will be the direction of flow of water when a plant cell is plæcd in a hypotonic solution ?

(A) Water will flow into the cell.

(B) No flow of water in any direction.

(C) Water will flow in both directions.

(D) Water will now be out of the cell.

Q.No. 31 Pinus seed cannot germinate and establish without fungal association. This is because

(A) its embryo is immature

(B) it has obligate association with mycorrhizae

(C) it has very hard seed coat

(D) its seeds contain inhibitors that prevent germination.

Q.No. 32 From the following, identify the correct combination of salient features of Genetic Code-

(A) Universal,Ambiguous,Degenerate

(B) Degenerate, Non-overlapping. Non-ambiguous

(C) Universal,Non-ambiguous,Overlapping

(D) Degenerate, Overlapping, Commaless

Q.No. 33 A selectable marker is used to :

(A) select a suitable vector for transformation in a specific crop

(B) mark a gene on a chromosome for isolation using restriction enzyme

(C) help in eliminating the non-transformants. so that the transformants can be regenerated

(D) identity the gene for a desired trait in an alien organism

Q.No. 34 Which of the following statements is correct ?

(A) Fungal component of lichens is called phycobiont.

(B) Lichens are not good pollution indicators.

(C) Lichens do not grow in polluted areas.

(D) Algal of lichens is called mycobiant.

Q.No. 35 Match the following organisms with their respective characteristics

Select the correct options from the following

list

(A) a-iii b-ii c-i d-iv

(B) a-iii b-iv c-ii d-i

(C) a-ii b-iv c-iii d-i

(D) a-iii b-ii c-iv d-i

Q.No. 36 In the dicot root the vascular cambium originates from :

(A) Parenchyma between endodermis and pericycle

(B) Interfascicular and interfascicular tissue in a ring

(C) Tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem

(D) Cortical region

Q.No. 37 In RNAi, the genes are silenced using :

(A) ss -RNA

(B) ds-DNA

(C) ds - RNA

(D) ss -DNA

Q.No. 38 Drug called ‘Heroin’ is synthesized by :

(A) methylation of morphine

(B) acetylation of morphine

(C) glycosylation of morphine

(D) nitration of morphine

Q.No. 39 What type of pollination takes place in Vallisneria ?

(A) Flowers emerge above water suråce. and pollen is carried by wind.

(B) Male flowers are carried by water currents to female flowers at surface of water

(C) Pollination occurs in submerged conditions by water.

(D) Flowers emerge above the surface of water and pollination occurs by insects.

Q.No. 40 In which genetic condition, each cell in the affected person, has three sex chromosomes XXY ?

(A) Phenylketonuria

(B) Turner’s Syndrome

(C) Thalassemia

(D) Kleinfelter’s Syndrome

Q.No. 41 A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the
frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population ?

(A) 0.36 (AA); 0.48 (Aa); 0.16 (aa).

(B) 0.16 (AA); 0.24 (Aa); 0.36 (aa)

(C) 0.16 (AA); 0.48 (Aa); 0.36 (aa)

(D) 0.16 (AA); 0.36 (Aa); 0.48 (aa)

Q.No. 42 Which of the following is an innovative remedy for plastic waste?

(A) Polyblend

(B) Electrostatic precipitator

(C) Burning in the absence of oxygen

(D) Burrying 500 m deep below soil surface

Q.No. 43 Which of the following shows whorled phyllotaxy ?

(A) Alstonia

(B) Calotropis

(C) Mustard

(D) China rose

Q.No. 44 Extrusion of second polar body from ‘egg nucleus occurs :

(A) after entry of sperm but before fertilization

(B) after fertilization

(C) before entry of sperm into ovum

(D) simultaneously with first cleavage

Q.No. 45 Which of the following statements is incorrect ?

(A) Morels and truffles are edible delicacies.

(B) Clavicepsis a source of many alkaloids and LSD

(C) Conidia are produced exogenously and ascospores endogenously...

(D) Yeasts have filamentous bodies with long thread-like hyphae.

Answer Sheet
Q.No Answer
Q.No. 1 (A)
Q.No. 2 (A)
Q.No. 3 (B)
Q.No. 4 (D)
(A)

Q.No. 5
Q.No. 6 (A)
Q.No. 7 (D)
Q.No. 8 (A)

Q.No. 9 (A)
Q.No. 10 (D)
Q.No. 11 (C)
Q.No. 12 (D)
Q.No. 13 (D)
Q.No. 14 (C)
Q.No. 15 (D)
Q.No. 16 (C)
Q.No. 17 (B)
Q.No. 18 (C)
Q.No. 19 (C)
Q.No. 20 (A)
Q.No. 21 (C)
Q.No. 22 (D)
Q.No. 23 (B)
Q.No. 24 (D)
Q.No. 25 (C)
Q.No. 26 (D)
Q.No. 27 (B)
Q.No. 28 (A)
Q.No. 29 (A)
Q.No. 30 (A)
Q.No. 31 (B)
Q.No. 32 (B)
Q.No. 33 (C)
Q.No. 34 (C)
Q.No. 35 (B)
Q.No. 36 (C)
Q.No. 37 (C)
Q.No. 38 (B)
Q.No. 39 (B)
Q.No. 40 (D)
Q.No. 41 (C)
Q.No. 42 (A)
(A)

Q.No. 43
Q.No. 44 (A)
Q.No. 45 (D)