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Tap root system, prominent nodes and int...

Tap root system, prominent nodes and internodes, reticulate ventation, tetramerous flower and enclosed seeds with two cotyledons as observed in the laboratory are characteristics features of :

A

monocot

B

dicot

C

conifers

D

cycadae

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The correct Answer is:
B
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Seeds bearing two cotyledons possess ______ root system.

Assertion : Generally, dicotyledonous plants have tap roots and reticulate venation while monocotyledonous plants have fibrous roots and parallel venation Reason : The morphological feature of stem like the presence of nodes and internodes, multicellular hairs and positively phototrophic nature help to differentiate the stems from roots.

Which of the following are incorrect? A. Plant seeds develop in ovule which itself usually becomes the fruit. B. Plants produce flowers in order to make seeds, so that their species can propagate, C. Just as roots of some plants store food, they may also have nodes, internodes and buds. D. For photosynthesis, leaves take in carbon dioxide and water from soil to release oxygen in air.

LAKHMIR SINGH & MANJIT KAUR-DIVERSITY IN LIVING ORGANISMS-Diversity In Living Organisms
  1. The represents a bit of predesigned plant :

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  2. The main characteristic feature of angisperm is :

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  3. Tap root system, prominent nodes and internodes, reticulate ventation,...

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  4. The highest envolved among the following plant groups are :

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  5. Monocotyledonous and dicotyledonous are two groups present in :

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  6. Maize, grass, coconut, banana are the examples of :

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  7. Cutin is present as the outermost layer in the leaves of angiosperms. ...

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  8. Which of the following is not a feature of monocots ?

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  9. Which of the following characteristics does not belong to following pl...

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  10. A student observed a prominent bond on 14,15 and 16 segment of earthwo...

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  11. Which group of animals have segmented body ?

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  12. Which animal belongs to Annelida ?

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  13. The horizontal lines on the body of earthworm represent :

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  14. Unlabelled outline diagram of earthworm is drawn below. The important ...

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  15. The correct position of clitellum in earthworm is :

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  16. The correct indentifying feature of the phylum Annelida are :

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  17. Which of the following feature places earthworm in its phylum ?

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  18. The kind of respiration shown by earthworm is :

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  19. An adaptation of earthworm is :

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  20. The phylum in which animals have soft bodies covered with a hard sheel...

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