Multiple Choice Questions

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Funaria gametophyte is

  • dioecious

  • heteroecious

  • autoecious

  • monoecious and autoecious


D.

monoecious and autoecious

Funaria is a monoecious species, i.e., male (antheridia) and female (archegonia) set organs are found on the same gametopyhtic plant. Antheridia and Archegonia are found on the different leaf like branches called gametophores of the smae plant.


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Nodules with nitrogen-fixing bacteria are found in

  • cotton

  • gram

  • mustard

  • wheat


Major protein of connective tissue is

  • myosin

  • collagen

  • melanin

  • keratin


Desert can be converted into green land by planting

  • oxylophytes

  • psammophytes

  • halophytes

  • trees


Powdery mildew of crops are caused by

  • bacteria

  • Ascomycetes

  • Basidiomycetes

  • Phycomycetes


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Blackman's law of limiting factor is applied to

  • respiration

  • transpiration

  • photorespiration

  • photosynthesis


The usage of binomial names, for plant species was accepted by all after the publication of the work by

  • Hooker

  • Linnaeus

  • Bentham

  • Darwin


A prokaryotic cell lacks

  • true nucleus

  • nuclear membrane

  • membrane bound organelles

  • All of the above


Induction of cell division and delay in senescence is done by

  • cytokinins

  • auxins

  • GA

  • Co-A


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In which kingdom, would you classify the archaea and nitrogen-fixing organisms. If the five-kingdom system of classification is used?

  • Protista

  • Monera

  • Plantae

  • Fungi