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Community

Community

Q. Define Community with examples? (Two marks) Ans. A functional unit of mutually interacting populations of animals, plants, and microorganisms in a given area at a given time”....

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structure of DNA

structure of DNA

Define DNA. Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. It carries genetic instructions for the development,...

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Structure of Pollen Grains

Structure of Pollen Grains

What are Pollen grains? Pollen grains are known as Micro-spores. They are the male reproductive bodies of a flower. Pollen grains are microscopic structures that carry the male reproductive...

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Taxonomic categories

Taxonomic categories

Taxonomy from two Greek word : Taxis- arrangement and Nomos- law (Arrangements of Plants according to law) •Taxonomy deals with the study of naming, identification, evolution and classification of...

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Origin of Angiosperm

Origin of Angiosperm

The angiosperms appeared suddenly in Cretaceous age about 65 million years back. Charles Darwin described this sudden appearance of angiosperms as an 'abominable mystery’. (symbolize) When...

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