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Reproduction in Organisms · Question 15

AIPMT 2010 (Mains)MCQEasy📈 Topic in 0% papers+4−1
1

Which one of the following is monoecious?

  1. Marchantia
  2. Cycas
  3. Pinus
  4. Date palm

Answer

(3) Pinus

Solution

A monoecious (bisexual) plant bears both male and female reproductive structures on the same plant.

⇒ Pinus bears male cones and female cones on the same tree, so it is monoecious.

∵ Marchantia has separate male and female thalli, Cycas has separate male and female plants, and as per NCERT, date palm is a dioecious plant,

∴ the monoecious plant is Pinus.

Answer: (3)

AIPMT 2010 (Mains)

Keep practising — Reproduction in Organisms

2

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
3

During regeneration, modification of an organ to other organ is known as

  1. morphogenesis
  2. epimorphosis
  3. morphallaxis
  4. accretionary growth
Out of syllabusAIPMT 2001

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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
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