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Published on: 21/06/2021
QB365 provides detailed and simple solution for every Creative Questions in class 12 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.
Download Tamil Nadu 12th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Biology Test1.
What are parthenocarpic fruits?
2.
Name the various types of endosperms.
3.
How the pollen grains of Vallisneria protect themselves?
4.
What is integumentary tapetum?
5.
What are diaspores?
1.
In some plants, fruits develop from ovary without the fertilization process. Such fruits are called parthenocarpic fruits. They lack true seeds. E.g: Grapes.
2.
(a) Nuclear Endosperm
(b) Helobial Endosperm
(c) Cellular Endosperm
(d) Ruminate Endosperm
3.
Vallisneria is an aquatic plant. Pollen grains of Vallisneria are covered by mucilage coating which protects them from wetting.
4.
In Asteraceae species, the inner layer of integument get specialized for nourishing the embryosac and this is called integumentary tapetum or endothelium.
5.
The unit of reproductive structures used in vegetative propagation is called diaspore or reproductive propagules.
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Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
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