What Triggers Atrial Natriuretic Peptide?
Atrial Natriuretic Factor is a peptide hormone released from the atrial wall. It is secreted in response to high blood... View Article
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How Does ANP Affect the Kidneys?
ANP is the Atrial Natriuretic Factor. It is a peptide hormone released from the atrial wall in response to high... View Article
Why Is Geitonogamy Called Genetically Autogamy?
Geitonogamy is the transfer of pollen to another flower of the same plant. Since pollen grains come from the same... View Article
What Is the Advantage of a Cleistogamous Flower?
Cleistogamous flowers are not dependent on pollinators for pollination and produce assured sets of seeds. Also Check: What Happens To... View Article
What Is the Disadvantage of Cleistogamy?
Cleistogamous flowers are self-pollinated as they do not open at all. Although they do not depend on pollinators for pollination,... View Article
What Is a Benefit of Self Incompatibility?
Self-incompatibility helps in preventing self-pollination. It favours cross-pollination. Self-pollination leads to inbreeding depression. Also Check: What Happens To Synergids After... View Article
Which Condition Makes Flowers Invariably Autogamous?
Cleistogamous flowers are invariably autogamous as anther and stigma are in close proximity and are not exposed for cross-pollination. Also... View Article
Is Autogamy Seen in Maize?
No, maize is monoecious and has unisexual flowers. Autogamy cannot occur in unisexual flowers as stamen and pistil are present... View Article
What Is the Role of Sporopollenin?
The outer wall or exine of pollen grains contains sporopollenin. It is one of the most resistant organic compounds known.... View Article
Which Plant Shows Strictly Xenogamy?
Xenogamy refers to the pollination of pollen grains from the anther of one flower to the stigma of another flower... View Article
What Is Chasmogamous and Cleistogamous?
Chasmogamous flowers have their anthers and stigma exposed, whereas cleistogamous flowers are closed and do not open at all. E.g.... View Article
How Does Cleistogamy Ensure Autogamy?
Cleistogamous flowers do not open at all. Anthers and stigma are in close contact and pollination occurs when pollen grains... View Article
What Is Self Incompatibility?
Self-incompatibility is a phenomenon in angiosperms that prevents self-fertilisation or inbreeding. It is a genetic mechanism by which self-fertilisation is... View Article
What Is Geitonogamy and Xenogamy?
Geitonogamy and xenogamy are types of cross-pollination (allogamy). When pollen grains are transferred to the stigma of the other flower... View Article
What Are Autogamy and Allogamy?
Autogamy refers to the self-pollination between the anther and stigma of the same flower, whereas allogamy refers to cross-pollination. In... View Article
Why Is Complete Autogamy Rare?
Complete autogamy is rare when anther and stigma are exposed, e.g. in chasmogamous flowers. For autogamy to occur, stigma and... View Article
What Is Autogamy and Geitonogamy?
Autogamy is a type of self-pollination wherein pollination between anther and stigma of the same flower takes place. Complete autogamy... View Article
What is a bagging technique and how is it useful?
Bagging refers to the covering of stigma from a bag to prevent contamination of the stigma with undesirable pollen grains.... View Article
Are Apomictic Seeds Clones?
Yes, apomictic seeds produce identical progeny. Apomixis is a kind of asexual reproduction, where seeds are produced without fertilisation. There... View Article
What Does Emasculation Mean?
Emasculation is the removal of anthers from a bisexual flower. It is done to prevent self-pollination and cross-pollinate plants to... View Article
