Inheritance is one of the most important and fascinating topics in Biology. It explains how characteristics are passed from parents to their offspring and why members of the same family often resemble each other. This chapter begins with an introduction to Genetics, the branch of biology that studies heredity and variation.
Students will learn about chromosomes and genes, the basic units of inheritance that control traits in living organisms. The foundation of modern genetics was laid by Gregor Mendel, whose experiments led to the formulation of Mendel’s Laws of Inheritance, which explain how traits are transmitted from one generation to the next.
MCQs – Chapter 15 Inheritance
1. The branch of biology that deals with the study of inheritance is:
(a) Cytology
(b) Genetics ✅
(c) Anatomy
(d) Embryology
2. Inheritance is the transmission of ________ from parents to offspring.
(a) Hormones
(b) Traits ✅
(c) Energy
(d) Blood
3. Each human body cell contains how many chromosomes in total?
(a) 44
(b) 23
(c) 46 ✅
(d) 48
4. The number of homologous chromosome pairs in humans is:
(a) 46
(b) 22
(c) 24
(d) 23 ✅
5. Which one of the following was not a reason for Mendel choosing the pea plant?
(a) It had contrasting traits
(b) It had a long life cycle ✅
(c) It allowed self-pollination
(d) It allowed cross-pollination
6. Who proposed the Theory of Natural Selection?
(a) Mendel
(b) Watson
(c) Darwin ✅
(d) Lamarck
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