Which of the following is an important character for fern classification
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(a) Number of pinnae (b) Number of pinnules (c) shape of leaf (d) position of sori and form of indusium
Correct […]
Which of the following tissues, in mammals show the least capacity for regeneration
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(a) epithelial tissue of the skin (b) endothelium of blood vessels (c) skeletal tissue of long bones (d) nervous […]
Root pockets are present in
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(a) eichhornia,pistia and lemna (b) pandamus,pistia and lemna (c) ficus.pothos and lemna (d) eichhornia,pistia and pothos
Correct Answer:
eichhornia,pistia and lemna
Explanation:
No explanation available. Be the […]
Adiantum is called walking fern because
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(a) it walks by itself (b) it is dispersed by walking animals (c) of its walking spores (d) it grows vegetatively by its leaf tip
Correct […]
Sclerenchyma is thick walled tissue, which has depositions of
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(a) lignin on their cell walls (b) suberin on their cell walls (c) pectin on their cell walls (d) cellulose on their cell […]
In Citrus fruit a special type of berry called hesperidium is present, the edible part of citrus fruit is
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(a) unicellur juicy hair arise from endocarp (b) epicarp (c) mesocarp (d) none […]
Which of the following is correct about heterospory
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(a) Selaginella and Salvinia are heterosporous (b) Heterosporous pteridophytes have macro and micro spores (c) The development of Zygote within female gametophyte is the […]
As tracheophytes ferns and seed plants have one thing in common
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(a) nourishing embryo from endosperm (b) having phloem in vascular bundles (c) producing eggs in ovaries (d) producing pollen in grains
Which of the following groups represents the al members of phaeophyceae
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(a) chara, spirogyra and fucus (b) ectocarpus, Laminaria and sargassum (c) Dictyota, polysiphonia and porphyra (d) Gracilaria, Gelidium and volvox
Correct […]
In dicot stem, vascular bundles are cojoint, collateral and open whereas in monocots vascular bundles are
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(a) conjoint,colletral and closed (b) radial,colletral and open (c) radial,bicollateral and closed (d) concentric,collateral and open
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