Monthly Archives: November 2021

Chapter 9 Control and Co-ordination 1. Multiple choice questions Question 1.The nervous system of mammals uses both electrical and chemical means to send signals via neurons. Which part of the…

Chapter 8 Respiration and Circulation 1. Multiple choice questions Question 1.The muscular structure that separates the thoracic and abdominal cavity is ………………….. (a) pleura (b) diaphragm (c) trachea (d) epithelium…

Chapter 7 Plant Growth and Mineral Nutrition 1. Multiple choice questions Question 1.Which of the hormone can replace vernalization ? (a) Auxin (b) Cytokinin (c) Gibberellins (d) Ethylene Answer: (c)…

Chapter 6 Plant Water Relation 1. Multiple Choice Questions Question 1.In soil, water available for absorption by root is …………….. (a) gravitational water (b) capillary water (c) hygroscopic water (d)…

Chapter 5 Origin and Evolution of Life 1. Multiple Choice Questions Question 1.Who proposed that the first form of life could have come from pre-existing non-living organic molecules? (a) Alfred…

Chapter 4 Molecular Basis of Inheritance 1. Multiple Choice Questions Question 1.Griffith worked on ……………….. (a) Bacteriophage (b) Drosophila (c) Frog eggs (d) Streptococci Answer: (d) Streptococci Question 2.The molecular…

Chapter 3 Inheritance and Variation 1. Multiple Choice Questions Question 1.Phenotypic ratio of incomplete dominance in Mirabilis jalapa. (a) 2 : 1 : 1 (b) 1 : 2 : 1…

Chapter 2 Reproduction in Lower and Higher Animals 1. Multiple choice questions Question 1.The number of nuclei present in a zygote is ………………. (a) two (b) one (c) four (d)…

Chapter 1 Reproduction in Lower and Higher Plants Chapter 1 Reproduction in Lower and Higher Plants 1. Multiple Choice Questions Question 1.Insect pollinated flowers usually possess ……………… (a) sticky pollen…