CBSE 11th Standard Biology Subject Anatomy of Flowering Plants Ncert Exemplar 3 Marks Questions 2021
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CBSE 11th Standard Biology Subject Anatomy of Flowering Plants Ncert Exemplar 3 Marks Questions 2021
11th Standard CBSE
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Reg.No. :
Biology
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What are the charecteristic difference found in vascular tissu of gymnosperms and angiosperms?
(a) -
What are the plant whold show the folowing ?
(i)Radial vascular bundle
(ii)Ployarch xylem
(iii) well developed pith(a) -
Point out between dicot and monocot leaf of peepal (Ficus religiosa) and maize (Zea mays)
(a) -
What is the difference between lenticels and stomata?
(a) -
Epidermal cells are often modified to perform specialised functions in plants. Name some of them and functions they perform.
(a)The following epidermal cells are found in plants
(i) Cuticle They reduce surface transpiration.
(ii) Stomata Exchange of gases and transpiration.
(iii) Stem hair For reducing temperature changes and rate of transpiration.
(iv) Glandular hair Various secretions.
(v) Prickles Protect from grazing animals.
(vi) Root hair Absorb water.
3 Marks
