Main parts of ferns
Specify the main parts of the ferns?
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Ferns are constituted by the small roots which come downwards from rhizome (stem, often horizontalized). The fronds also arise from rhizome. On back side of every leaf of the plant there exist small dustlike dots known as sori (singular, “sorus”, also termed as ‘seeds’).
Is the mammalian embryonic growth indirect or direct? Answer: In mammals, the embryonic growth is direct, devoid of larval phase.
Write down the destination of notochord in protochordates and in vertebrates?
Oxygen comes from the environment and carbon dioxide in the end returns to the environment. How small animals do solve the problem of taking away and bringing these molecules from/to their cells? Why isn't that solution possible for the larger animals?
How many main groups of cells are comprised in acquired immunity?
Difference between Stress and load testing: In Load Testing, we compute the response time and throughput for a web based application that has a large number of users. Q : Name of terrestrial vertebrate group Write down the name of terrestrial vertebrate group which is extremely rare in deserts.
Write down the name of terrestrial vertebrate group which is extremely rare in deserts.
Explain, how do antagonistic mechanisms manage the homeostatic regulation?
Are organic solvents similar to benzene and ether polar or non-polar substances?
Living beings are made up of organic and inorganic substances. According to the complexity of their molecules how can each of such substances be categorized?
What do you mean by the neurotransmitter of neuromuscular junction? Explain, how the nervous system triggers the muscle contraction?
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