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Published on: 13/05/2022
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.
latest Creative QuestionsDownload 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.
A boy of ten years had suffered from chicken-pox. His grandmother consoled him that he is not expected to have it for the rest of his life. Whether his grandmother is right? If so how it happens?
2.
Identify the mismatched pair and give reason.
(a) Plague Yersinia pestis
(b) Filariasis Wuchereria bancrofti
(c) Dermatomycosis Trypanosoma gambiense
(d) Common cold Rhino virus
3.
Name the diseases for which vaccines were developed by Louis Pasteur
4.
Point out the factors that determine the binding force between antigen-antibody reactions.
5.
Name two methods by which mosquito population can be controlled to prevent malaria
1.
The infection produces not only antibodies but also generates memory in the lymphocytes. These cells recognize the pathogen on the subsequent attack and generate antibodies to neutralize the pathogen, so his grandmother is right and the boy will not get the disease for the rest of his life.
2.
Dermatomycosis - Trypanosoma gambiense is the mismatched pair. Dermatomycosis is a cutaneous infection caused by fungus
3.
Cholera, Anthrax, and Rabies
4.
The binding force between antigen and antibody is due to three factors. They are closeness between antigen and antibody, noncovalent bonds or intermolecular forces and affinity of antibody.
5.
(i) Ponds, drainage ditches and other permanent bodies of water can be stocked with fishes such as Gambusia which feed on mosquito larvae.
(ii) Preparations containing Bacillus thuringiensis can be sprayed to kill the mosquito larvae since it is not toxic co other forms of life.
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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
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