Chapter 13 Organisms and Populations
Chapter 13 Organisms and Populations 1. Multiple choice questions Question 1.Which factor of an ecosystem includes plants, animals and microorganisms? (a) Biotic factor (b) Abiotic factor (c) Direct factor (d)…
Chapter 12 Biotechnology
Chapter 12 Biotechnology 1. Multiple choice questions Question 1.MU The bacterium which causes a plant disease called crown gall is ……………….. (a) Helicobacter pylori (b) Agrobacterium tumifaciens (c) Thermophilus aquaticus…
Chapter 11 Enhancement of Food Production
Chapter 11 Enhancement of Food Production 1. Multiple choice questions Question 1.Antibiotic Chloromycetin is obtained from …………………. (a) Streptomyces erythreus (b) Penicillium chrysogenum (c) Streptomyces venezuelae (d) Streptomyces griseus Answer:…
Chapter 10 Human Health and Diseases
Chapter 10 Human Health and Diseases 1. Multiple Choice Questions Question 1.Which of the following is NOT caused by unsterilized needles? (a) Elephantiasis (b) AIDS (e) Malaria (d) Hepatitis Answer:…
Chapter 9 Control and Co-ordination
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
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
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
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
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
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…