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Plant Kingdom · Question 53

NEET 2013 (Karnataka)MCQEasy📈 Topic in 38% papers+4−1
1

Syngamy can occur outside the body of the organism in

  1. mosses
  2. algae
  3. ferns
  4. Fungi

Answer

(2) algae

Solution

As per NCERT, in most aquatic organisms, such as a majority of algae and fishes as well as amphibians, syngamy occurs in the external medium (water), i.e., outside the body of the organism (external fertilisation).

∵ In mosses and ferns the egg is retained inside the archegonium and fertilisation takes place there, syngamy is not external in them.

Answer: (2)

NEET 2013 (Karnataka)

Keep practising — Plant Kingdom

2

What is common in all the three, Funaria, Dryopteris and Ginkgo?

  1. Presence of archegonia
  2. Well developed vascular tissues
  3. Independent gametophyte
  4. Independent sporophyte
NEET 2013 (Karnataka)
3

Which one of the following is wrongly matched?

  1. Spirogyra - Motile gametes
  2. Sargassum - Chlorophyll
  3. Basidiomycetes - Puffballs
  4. Nostoc - Water blooms
NEET 2013 (Karnataka)
4

The plant body is thalloid in

  1. Sphagnum
  2. Salvinia
  3. Marchantia
  4. Funaria.
NEET 2013 (Karnataka)
5

Which one of the following pairs is wrongly matched?

  1. Ginkgo – Archegonia
  2. Salvinia – Prothallus
  3. Viroids – RNA
  4. Mustard – Synergids
AIPMT 2012 (Mains)
6

Read the following five statements (A – E) and answer as asked next to them. How many of the above statements are correct?

  1. Two
  2. Three
  3. Four
  4. One
AIPMT 2012 (Mains)
7

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

  1. Diplontic life cycle
  2. Members of Kingdom Plantae
  3. Mode of Nutrition
  4. Multiplication by fragmentation
AIPMT 2012 (Prelims)
8

Which one of the following is a correct statement?

  1. Pteridophyte gametophyte has a protonemal and leafy stage.
  2. In gymnosperms, female gametophyte is free-living.
  3. Antheridiophores and archegoniophores are present in pteridophytes.
  4. Origin of seed habit can be traced in pteridophytes.
AIPMT 2012 (Prelims)
9

Cycas and Adiantum resemble each other in having

  1. seeds
  2. motile sperms
  3. cambium
  4. vessels
AIPMT 2012 (Prelims)
10

Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because

  1. female gametophyte is free and gets dispersed like seeds.
  2. female gametophyte lacks archegonia.
  3. megaspores possess endosperm and embryo surrounded by seed coat.
  4. embryo develops in female gametophyte which is retained on parent sporophyte.
AIPMT 2011 (Mains)
11

Consider the following four statements whether they are correct or wrong. The two wrong statements together are

  1. A and C
  2. A and D
  3. B and C
  4. A and B.
AIPMT 2011 (Mains)

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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
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