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प्रश्न
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
पर्याय
Monoecious plant bearing unisexual flowers
Dioecious plant bearing only male or female flowers
Monoecious plant with bisexual flowers
Dioecious plant with bisexual flowers
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उत्तर
Dioecious plant bearing only male or female flowers
APPEARS IN
संबंधित प्रश्न
A flower of tomato plant following the process of sexual reproduction produces 200 viable seeds.
Answer the following questions giving reasons :
(a) What would have been the minimum number of ovules present in pre-pollinated pistil ?
(b) How many microscope mother cells would minimally be required to produce requisite number of pollen grains ?
(c) How many pollen grains must have minimally pollinated the carple ?
(d) How many male gametes would have used to produce these 200 viable seeds ?
(e) How many megaspore mother cells were required in this process ?
Name the part of the flower which the tassels of the corn- cob represent.
Why angiosperm anthers are called dithecous?
Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer.
What is self-incompatibility?
Name two characteristics of flowers in which pollination occur by wind.
Fill in the blank:
Male sex cells in plants are called _________.
Can a unisexual flower be self pollinated?
Give one word/term for the following:
Pollination of flowers by insects.
In bisexual flowers, maturation of gynoecium before androecium is known as ______.
Put a tick mark (✓) against the correct alternative in the following statements
Pollen is produced in the
What are the adaptations which are required in self-pollinated plants?
At which stage pollen grains are shed from the anther in Angiosperms?
Explain water pollination in detail with its types.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by ______.
Which of the following plant contain unisexual flower?
During Hybridization process anther of the bisexual flower is removed before it dehisces is called ______.
Choose the correct statement from the following:
Name the pollinating agent of a flowering plant with large and coloured flowers with sticky stigma. State one characteristic feature of the pollen grains produced in such flowers.
