12th Standard Syllabus & Materials
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Published on: 22/06/2021
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.
Atomita 2 - rice is a product by _________
Polyploid breeding
Hybridization
Mutation breeding
Clonal selection
2.
Superiority of hybrids over parents only in vegetative growth not in yield. This phenomenon is termed as ________
Euheterosis
Balanced euheterosis
Luxuriance
Mutational heterosis
3.
Identify the proper sequence of hybridisation technique
Emasculation ⟶ Selection ⟶ Bagging ⟶ Crossing ⟶ Harvesting
Harvesting ⟶ Selection ⟶ Crossing ⟶ Emasculation ⟶ Bagging
Selection ⟶ Harvesting ⟶ Crossing ⟶ Emasculation ⟶ Bagging
Selection ⟶ Emasculation ⟶ Bagging ⟶ Crossing ⟶ Harvesting
4.
Azolla is best suited biofertilizer for _________
Sugar cane cultivation
Paddy cultivation
Wheat cultivation
Cotton cultivation
5.
Which of the following scientist developed world's first cotton hybrid?
Dr. B.P. Pal
C.T. Patel
Dr. K. Ramiah
N.G.P. Rao
1.
(c)
Mutation breeding
2.
(c)
Luxuriance
3.
(d)
Selection ⟶ Emasculation ⟶ Bagging ⟶ Crossing ⟶ Harvesting
4.
(b)
Paddy cultivation
5.
(b)
C.T. Patel
12th Standard Syllabus & Materials
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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
Tamil
English
French
Tamilnadu Stateboard Standards
