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Thorn of Bougainvillea and tendril of Cu...

Thorn of Bougainvillea and tendril of Cucurbita are examples of `:`

A

Retrogressive evolution

B

Analogous organs

C

Homologous organs

D

Vestigial organs

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The correct Answer is:
C
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Throns of Bougainvillea and tendrila of Cucurbita are example

Thorn of Bougainvillea and tentrils of Cucurbita represent all of the follwing expect

Read the statements given below and identify the suitable option : (i) Eye of Octopus and mammals are homologous. (ii) sweet potato and photo are analogous. (iii) Thorus of Bougainville and tendrils of Cucurbita are homologous

Identify the following paris of Homologous or Analogous organs: i) Sweet potato and potato ii) Eye of octopus and eye of mammals iii) Thorns of Bougainvillea and tendrils of Cucurbits. iv) Fore limbs of Bat and Whale.

Are the thorns of Bougainvillea and tendril of Cucurbita homologous or analogous ? What type of evolution has brought such a similarity in them ?

Select the homologous structures from the combinations given below : Forelimbs of whales and bats Tuber of potato and sweet potato Eyes of octopus and mammals Thorns of Bougainvillea and tendrils of Cucurbita. (b) State the kind of evolution they represent.

(a) Select the homologous structures from the combinations given below: (i) Forelimbs of whales and basts (ii) Tuber of potato and sweet potato (iii) Eyes of octopus and mammals (iv) Thorns of Bougainvillea and tendrils of Cucurbita (b) State the kind of evolution they represent.

AAKASH INSTITUTE-MORPHOLOGY OF FLOWERING PLANTS-SECTION-C OBJECTIVE TYPE QUESTIONS
  1. Cotyledons and testa respectively are edible parts in

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  2. An example of axile placentation is

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  3. Thorn of Bougainvillea and tendril of Cucurbita are examples of :

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  4. The fruit is chambered, developed from inferior ovary and has seeds wi...

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  5. Dry indehiscent single-seeded fruit formed from biscarpellary syncarpo...

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  6. Endosperm is consumed by developing embryo in the seed of

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  7. Replum is present in the ovary of flower of

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  8. The fleshy receptacle of syconus of fig encloses a number of

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  9. Pineapple (ananas) fruit develops from

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  10. In which of the following fruits is the edible part the aril ?

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  11. Pentamerous actinomorphic flowers, bicarpellary ovary with oblique sep...

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  12. What type of placentation of seen in sweet pea

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  13. Which of the following represents the edible part of the fruit of Litc...

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  14. Angionsperm to which the largest flower belong is

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  15. Clinging roots occure in

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  16. Pneumatophores are found in-

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  17. In a longitudinal section of a root, starting from the tip upward, th...

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  18. A pot bears fruit, has a column of vascular tissue and a tap root syst...

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  19. Eye of potato is

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  20. How manty plants among China rose, Ocimum, sunflower, mustard, Alstoni...

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