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Both, autogamy and geitonogamy are preve...

Both, autogamy and geitonogamy are prevented in

A

Papaya

B

Cucumber

C

Castor

D

Maize

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What is geitonogamy?

Assertion : Although geitonogamy is functionally crosspollination involving a pollinating agent, genetically it is similar to autogamy. Reason : In geitonogamy, pollen grains from the anthers of one flower are transferred to the sigma of another flower borne on the same plant.

Autogamy geitonogamy and xenogamy are the three types of pollination based on the source of pollen. You have a monoecious and dioecious plant in your garden . Which among the above said pollination do not occur in each plant ?

From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

Geitonogamy involves

Differentiate autogamy and exogamy.

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What is autogamy?

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  1. Which one of the following statements is false in respect of viability...

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  2. What is the figure given below showing in particular?

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  3. Both, autogamy and geitonogamy are prevented in

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  4. Placentation in tomato and lemon is

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  5. The signals for parturition originate from:

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  6. The gynoecium consists of many free pistils in flowers of

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  7. In a normal pregnant woman, the amount of total gonadotropin activity ...

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  8. The test-tube Baby Programme employs which one of the following techni...

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  9. The Leydig cells found in the human body are the secretory source of

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  10. How many plants in the list given below have composite fruits that dev...

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  11. Which one of the following pairs of hormones are the examples of those...

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  12. What is correct to say about the hormone action in humans?

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  13. The coconut water and the edible part of coconut are equivalent to…………...

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  14. Select the wrong statement:

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  15. Isogamous condition with non- flagellated gametes is found in

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  16. Megasporangium isequivalent to

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  17. Among bitter guard, mustard, brinjal, pumpkin, china rose, lupin, cucu...

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  18. In china rose the flower are

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  19. Seed coat is not thin, membranous in

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  20. Which one of the following statements is correct?

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