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Reproduction in Organisms · Question 6

NEET 2016 (Phase 2)MCQEasy📈 Topic in 12% papers+4−1
1

Which one of the following statements is not correct?

  1. Offspring produced by the asexual reproduction are called clone.
  2. Microscopic, motile, asexual reproductive structures are called zoospores.
  3. In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.
  4. Water hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes.

Answer

(3) In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.

Solution

(1) Offspring produced by asexual reproduction are morphologically and genetically identical to the parent and are called clones. Correct.

(2) Zoospores are microscopic, motile, asexual reproductive structures (e.g. in Chlamydomonas). Correct.

(3) As per NCERT, in potato, banana, ginger, etc., the plantlets arise from the nodes present in the modified stem, not from the internodes. Not correct.

(4) Water hyacinth (terror of Bengal) spreads rapidly in standing water and drains oxygen from it, which leads to the death of fishes. Correct.

Answer: (3)

Out of syllabusNEET 2016 (Phase 2)

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2

Which one of the following generates new genetic combinations leading to variation?

  1. Vegetative reproduction
  2. Parthenogenesis
  3. Sexual reproduction
  4. Nucellar polyembryony
Out of syllabusNEET 2016 (Phase 2)
3

Match column I with column II and select the correct option using the codes given below.

  1. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
  2. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
  3. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
  4. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
Out of syllabusNEET 2016 (Phase 2)
4

Which of the following pairs is not correctly matched?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Out of syllabusAIPMT 2015
5

In ginger, vegetative propagation occurs through

  1. bulbils
  2. runners
  3. rhizome
  4. offsets.
Out of syllabusAIPMT 2015 (Cancelled)
6

Meiosis takes place in

  1. gemmule
  2. megaspore
  3. meiocyte
  4. conidia.
NEET 2013
7

Product of sexual reproduction generally generates

  1. new genetic combination leading to variation
  2. large biomass
  3. longer viability of seeds
  4. prolonged dormancy.
NEET 2013
8

Which one of the following is correctly matched?

  1. Onion – Bulb
  2. Ginger – Sucker
  3. Chlamydomonas – Conidia
  4. Yeast – Zoospores
AIPMT 2012 (Prelims)
9

Which one of the following pairs is wrongly matched while the remaining three are correct?

  1. Penicillium – conidia
  2. Water hyacinth – runner
  3. Bryophyllum – leaf buds
  4. Agave – bulbils
AIPMT 2011 (Mains)
10

Which one of the following is monoecious?

  1. Marchantia
  2. Cycas
  3. Pinus
  4. Date palm
AIPMT 2010 (Mains)
11

In oogamy, fertilization involves

  1. a small non-motile female gamete and a large motile male gamete
  2. a large non-motile female gamete and a small motile male gamete
  3. a large non-motile female gamete and a small non-motile male gamete
  4. a large motile female gamete and a small non-motile male gamete.
Out of syllabusAIPMT 2004

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All NEET Botany chapters
Class 11The Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisionTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and Development
Class 12Reproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental Issues
Other chaptersBiomolecules (Biology)