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A lateral branch with short internodes a...

A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found in aquatic plants like

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Pistia and Eichhornia
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A lateral branch with short internodes and each node bearing a rosette of leaves and tuft of roots is known as

An offset is a lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots. It is found in:

In one plant, adventitious roots are modified for storage and in the other plant a lateral branches with short internodes and each node bearing a rosette of leaves and tuft of roots. They are (a) Sweet Potato and Pistia (b) Eichhornia and Jasmine (c) Carrot and Mint (d) Turnip and Chrysanthemum

Assertion:The alternate type of phyllotaxy is the arrangement of leaves in which a single leaf arises at each node in alternate manner. Reason:The alternate type of phyllotaxy is seen in China rose and mustard plant .

In aquatic plants like Pistia and Eichhornia, leaves and roots are found near…….

Select correct statements from the following: a. In the majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of the primary root. b. In monocotyledonous plants, the primary root is short-lived and is replaced by a large number of roots. These roots originate from the lowermost node of the stem and constitute the fibrous root system. c. Adventitious roots are found in Monstera and banyan tree. d. The fibrous root system is found in wheat and mustard plants.

A runner of water with one thick internode, found in aquatic rosette plants like Eichhorina (water hyacinth) is called

_________are one internodes long runners, usually found in rosette plants at the ground/water level.

The submerged leaves of aquatic plants are thin and ribbon-like. Why?

The figure below depicts life-histroy strategies for three plant species (a,b and c) along 3 axes : strength of competition with other organisms, level of distrubance in the habitat, and level of environmental stress in the habitat. Species a grows in habitats where competition among species b grown in habitats with and stress are low. Species b grows in habitats with high environmental stress but with low interspecies competition. Species c grows in highly disturbed habitats with low enviornmental stress. Which of the statements below is/are correct ? I. Characteristics of "a-type" plants are faster growth rate and short-lived leaves. II. Desert annual plants are "b-type" species. they have rapid growth and produce large amount of seeds in a short time after rains. III. Most plants belonging to "c-type" species would be herbaceous while "a-type" and "b-types" species are likely to be trees or shrubs.

ALLEN-MORPHOLOGY OF FLOWERING PLANTS -EXERCISE
  1. Match the following

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  2. In Opuntia, the stem is modified into a flattened green structure to ...

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  3. A lateral branch with short internodes and each node bearing a rosette...

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  4. Which one is example of subaerial modification of stem

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  5. In banana, the growing lateral branch come out giving rise to leafy sh...

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  6. Recognise a,b,c, and d.

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  7. Leaves originate from meristem.

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  8. leaf develops at the (a) and bears a (b) in its axil.

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  9. The axiallary bud later develops into a

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  10. The leaves are arranged in manner on stem.

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  11. Leaf base may bear two lateral small leaf like structures called

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  12. Sheathing leaf base is found in monocots, true or false

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  13. In the leaf base expands into a sheath covering the stem partially or ...

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  14. Vein provide (a) to the leaf blade and act as channels of (b)

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  15. The arrangement of veins and veinlets on the lamina of a leaf is calle...

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  16. When the veinlets form network the venation is known as

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  17. When the veins run parallel to each other within a lamina the venation...

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  18. In a leaf, when its lamina is entire or when incised, the incisions do...

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  19. When the incisions of leaf lamina reach upto the midrib the left is kn...

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  20. A is present in the axil of petiole in both simple and compound leaves...

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