Biology Class 9 Question Paper. We covered all the Biology Class 9 Question Paper MCQs in this post for free so that you can practice well for the exam.
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Biology Class 9 Objective Question Paper for Students
Double-helical structure of DNA was given by
(a) Jacob and Monod
(b) Watson and Crick
(c) H G Khorana
(d) None of the above
Option b – Watson and Crick
Mendel selected pea plants for his experiment because
(a) they are cheaper
(b) they are easily available
(c) they are of great economic importance
(d) they have contrasting traits
Option d – they have contrasting traits
Who is the father of modern genetics?
(a) Gregor Johann Mendel
(b) Hugo De Vries
(c) Charles Darwin
(d) Thomas Hunt Morgan
Option a – Gregor Johann Mendel
Mendel worked on
(a) edible pea
(b) wild pea
(c) garden pea
(d) pigeon pea
Option c – garden pea
Gregor Johann Mendel is famous for
(a) Cell Theory
(b) Mutation Principle
(c) Law of Heredity
(d) Heredity of acquired characters
Option c – Law of Heredity
The unit of heredity in our body is called
(a) Chromosome
(b) DNA
(c) Gene
(d) Nucleus
Option c – Gene
Which of the following is responsible for controlling the hereditary characteristics of living cells?
(a) Enzyme
(b) Hormone
(c) RNA
(d) DNA
Option d – DNA
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