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Sample paper · NEET Preparation Botany

Botany · Sample Paper 2

NEET-UG pattern — 45 fresh MCQs on the full Class 11 + 12 Botany syllabus, 4 marks each.

45 questions · 180 marks · 45 minutes

Timed, marked on submit · free with an account

General instructions

  1. This paper has 45 multiple-choice questions, each with one correct answer. All are compulsory.
  2. Section A — Q1 to Q24: Class 11 syllabus. Section B — Q25 to Q45: Class 12 syllabus.
  3. Each correct answer earns 4 marks. In the real NEET a wrong answer costs 1 mark; this practice paper does not deduct marks.
  4. Time: 45 minutes — the share of Botany in the 180-minute NEET paper.

Section A · Class 11 syllabus

Questions 1–24, 4 marks each.

  1. Question 14 marks

    The scientific name of mango is written as

    1. A.Mangifera Indica
    2. B.mangifera indica
    3. C.Mangifera indica
    4. D.MANGIFERA INDICA
  2. Question 24 marks

    Which taxonomic category comes between order and genus?

    1. A.class
    2. B.family
    3. C.species
    4. D.phylum
  3. Question 34 marks

    Red tides are caused by

    1. A.diatoms
    2. B.dinoflagellates
    3. C.euglenoids
    4. D.slime moulds
  4. Question 44 marks

    The cell wall of fungi is made of

    1. A.cellulose
    2. B.chitin
    3. C.peptidoglycan
    4. D.pectin
  5. Question 54 marks

    Viroids differ from viruses in having

    1. A.DNA with a protein coat
    2. B.free RNA without a protein coat
    3. C.only protein
    4. D.a cell wall
  6. Question 64 marks

    The stored food in red algae is

    1. A.starch
    2. B.laminarin
    3. C.floridean starch
    4. D.mannitol
  7. Question 74 marks

    Which of these is a gymnosperm?

    1. A.Marchantia
    2. B.Cycas
    3. C.Selaginella
    4. D.Funaria
  8. Question 84 marks

    In pteridophytes, the main plant body is the

    1. A.gametophyte
    2. B.sporophyte
    3. C.protonema
    4. D.prothallus
  9. Question 94 marks

    Marginal placentation is found in

    1. A.mustard
    2. B.pea
    3. C.China rose
    4. D.Dianthus
  10. Question 104 marks

    Tendrils of cucumber are modifications of

    1. A.leaf
    2. B.stem
    3. C.root
    4. D.stipule
  11. Question 114 marks

    The floral formula of Liliaceae shows

    1. A.a superior trilocular ovary
    2. B.an inferior ovary
    3. C.a bicarpellary ovary
    4. D.free petals in fives
  12. Question 124 marks

    Annual rings are formed due to the activity of

    1. A.apical meristem
    2. B.vascular cambium
    3. C.cork cambium
    4. D.intercalary meristem
  13. Question 134 marks

    Bulliform cells are found in

    1. A.dicot stems
    2. B.grass leaves
    3. C.roots
    4. D.dicot leaves
  14. Question 144 marks

    The 'suicidal bags' of the cell are

    1. A.ribosomes
    2. B.lysosomes
    3. C.mitochondria
    4. D.peroxisomes
  15. Question 154 marks

    Which organelle is absent in prokaryotic cells?

    1. A.ribosome
    2. B.cell membrane
    3. C.mitochondrion
    4. D.cytoplasm
  16. Question 164 marks

    Crossing over occurs during

    1. A.leptotene
    2. B.zygotene
    3. C.pachytene
    4. D.diplotene
  17. Question 174 marks

    Chromosomes align at the equatorial plate during

    1. A.prophase
    2. B.metaphase
    3. C.anaphase
    4. D.telophase
  18. Question 184 marks

    Kranz anatomy is a feature of

    1. A.C₃ plants
    2. B.C₄ plants
    3. C.CAM plants only
    4. D.algae
  19. Question 194 marks

    Photolysis of water is associated with

    1. A.PS I
    2. B.PS II
    3. C.Calvin cycle
    4. D.glycolysis
  20. Question 204 marks

    The enzyme RuBisCO acts as

    1. A.only a carboxylase
    2. B.a carboxylase and an oxygenase
    3. C.only an oxygenase
    4. D.a kinase
  21. Question 214 marks

    The net gain of ATP in glycolysis per glucose molecule is

    1. A.2
    2. B.4
    3. C.8
    4. D.36
  22. Question 224 marks

    The final electron acceptor in aerobic respiration is

    1. A.NAD⁺
    2. B.FAD
    3. C.oxygen
    4. D.cytochrome c
  23. Question 234 marks

    Which plant hormone is a gas?

    1. A.auxin
    2. B.gibberellin
    3. C.ethylene
    4. D.cytokinin
  24. Question 244 marks

    Apical dominance is caused by

    1. A.cytokinin
    2. B.auxin
    3. C.abscisic acid
    4. D.ethylene

Section B · Class 12 syllabus

Questions 25–45, 4 marks each.

  1. Question 254 marks

    The nucellus is

    1. A.the outer layer of the ovule
    2. B.the tissue inside the integuments
    3. C.the female gametophyte
    4. D.the stalk of the ovule
  2. Question 264 marks

    Development of a fruit without fertilisation is

    1. A.parthenogenesis
    2. B.parthenocarpy
    3. C.apomixis
    4. D.polyembryony
  3. Question 274 marks

    Geitonogamy is pollination between

    1. A.anther and stigma of the same flower
    2. B.different flowers of the same plant
    3. C.flowers of different plants
    4. D.flowers of different species
  4. Question 284 marks

    The ABO blood group is an example of

    1. A.incomplete dominance
    2. B.codominance and multiple alleles
    3. C.polygenic inheritance
    4. D.linkage
  5. Question 294 marks

    The monohybrid F₂ genotypic ratio is

    1. A.3 : 1
    2. B.1 : 2 : 1
    3. C.9 : 3 : 3 : 1
    4. D.1 : 1
  6. Question 304 marks

    Recombination frequency between two genes on a chromosome depends on

    1. A.their size
    2. B.the distance between them
    3. C.the number of alleles
    4. D.dominance
  7. Question 314 marks

    The anticodon is present on

    1. A.mRNA
    2. B.tRNA
    3. C.rRNA
    4. D.DNA
  8. Question 324 marks

    The process of removing introns and joining exons is

    1. A.capping
    2. B.tailing
    3. C.splicing
    4. D.translation
  9. Question 334 marks

    Which is a stop codon?

    1. A.AUG
    2. B.UAA
    3. C.GUA
    4. D.AAA
  10. Question 344 marks

    Hershey and Chase used radioactive sulphur to label

    1. A.DNA
    2. B.protein coat
    3. C.RNA
    4. D.lipids
  11. Question 354 marks

    Swiss cheese gets its large holes from CO₂ produced by

    1. A.Propionibacterium shermanii
    2. B.Lactobacillus
    3. C.Penicillium roqueforti
    4. D.Saccharomyces
  12. Question 364 marks

    Cyclosporin A, used as an immunosuppressant, is produced by

    1. A.Trichoderma polysporum
    2. B.Monascus purpureus
    3. C.Streptococcus
    4. D.Aspergillus niger
  13. Question 374 marks

    Which is a biocontrol agent for plant fungal diseases?

    1. A.Trichoderma
    2. B.Rhizobium
    3. C.Nostoc
    4. D.Methanobacterium
  14. Question 384 marks

    Organisms that can tolerate a narrow range of temperatures are

    1. A.eurythermal
    2. B.stenothermal
    3. C.euryhaline
    4. D.stenohaline
  15. Question 394 marks

    An age pyramid with a broad base shows a population that is

    1. A.declining
    2. B.stable
    3. C.growing
    4. D.extinct
  16. Question 404 marks

    The relationship between a fig tree and its pollinator wasp is

    1. A.parasitism
    2. B.mutualism
    3. C.commensalism
    4. D.amensalism
  17. Question 414 marks

    The 10% law of energy transfer was given by

    1. A.Odum
    2. B.Lindeman
    3. C.Tansley
    4. D.Elton
  18. Question 424 marks

    The pyramid of energy is

    1. A.always inverted
    2. B.always upright
    3. C.spindle-shaped
    4. D.sometimes inverted
  19. Question 434 marks

    In decomposition, the breaking of detritus into smaller particles is

    1. A.leaching
    2. B.fragmentation
    3. C.catabolism
    4. D.humification
  20. Question 444 marks

    The 'evil quartet' does NOT include

    1. A.habitat loss
    2. B.over-exploitation
    3. C.alien species invasion
    4. D.afforestation
  21. Question 454 marks

    Sacred groves are an example of

    1. A.ex situ conservation
    2. B.in situ conservation
    3. C.cryopreservation
    4. D.seed banks

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