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What is pollination? What are the main forms of pollination?
The process in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is known as pollination.
Characteristics of the flowers of every plant species relate to the type of pollination used by the plant. Colored flowers are specialized in bird and insect attraction; nocturnal flowers normally are white and perfumed, a lot of specialized in pollination by bats; the nectar is also a specialization to attract pollinator animals; flowers that make an exaggerated amount of pollen often use the wind as pollinator; the position of anthers more external or internal next to the nectar is a way to facilitate the pollen dissemination respectively by the wind or by animals.
MECHANISM OF GASTRULATION - It is most impotant stage of embryonal development, in which single layered blastula converts into 2 or 3 layered gastrula. During this stage,
Infectious bursal disease (IBD) It is a highly contagious acute disease in young chicken up to 6 weeks of age causing high morbidity and low mortality. Bursa may atrophy at th
Q. In hormonal terms why does menses occur? Menses is the endometrial monthly desquamation that occurs as the progesterone and estrogen levels fall after the regression of the
Open or Blunderbuss Apex or divergent roots The mechanical cleaning & shaping of teeth with blunderbuss canal apex are very difficult if not impossibly orthogratly due to 1
Z is a healthy adult female who ovulates in each menstrual cycle; Z is not pregnant. During Z's menstrual cycle, high blood plasma levels of progesterone A. Occur just prior
Explain about the Reproduction in Fungi? Fungi, we have seen above, reproduce both sexually and asexually. Asexual mode of reproduction include budding, binary fission and more
Q. Under which form is nitrogen fixed by living beings? The Most living beings can't use molecular nitrogen to obtain nitrogen atoms. The Producers fix nitrogen primarily from
What is a community? What is the difference between the concepts of community and population? A community is a set of populations of living beings that live in the similar regi
Define Reagents for Determination of the Saponification Number of Fats? 0.5 N alcoholic KOH 0.5 N HCI Solid sodium carbonate 1% alcoholic solution of methyl orange
Rheumatic fever is an immunologically mediated connective tissue disorder following throat infection with group-A streptococci (GAS). It is characterised by an inflammatory proces
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