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Seeds of parasitic plants like orobanche...

Seeds of parasitic plants like orobanche germinate in the presence of

A

Auxin produced by the roots of the host

B

`GA_(3)` produced by the roots of the parasite

C

Exudates of the host plant

D

Exudates of the parasite

Text Solution

Verified by Experts

The correct Answer is:
c
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Seeds of some plants do not germinate. How are the next generation formed ?

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Knowledge Check

  • A seed which is ubale is germinate in the presence of light is

    A
    Viscum
    B
    Onion
    C
    Bean
    D
    Maize

  • The seeds of tomato can not germinate in the presence of light and hence are known as

    A
    negatively photoblastic
    B
    non photoblastic
    C
    photoblastic
    D
    light sensitive seeds

  • The germination of a seed is

    A
    a physical, reversible, desirable change in which energy is produced
    B
    a fast, chemical reacțion in which energy is released
    C
    a slow irreversible, desirable, chemical change
    D
    a fast, irreversible, undesirable chemical change

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