Science

Lakhmir Singh Biology Class 10 Solutions Management Of Natural Resources

Lakhmir Singh Biology Class 10 Solutions Management Of Natural Resources Lakhmir Singh Biology Class 10 Solutions Page No:258 Question 1:Name two fossil fuels.Solution :Coal and Petroleum. Question 2:Name the major programme started to replenish forests.Solution :Silviculture Question 3:Apart from the availability of forest products, name two other things which are affected by the destruction of forests.Solution …

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Lakhmir Singh Biology Class 10 Solutions Our Environment

Lakhmir Singh Biology Class 10 Solutions Our Environment Lakhmir Singh Biology Class 10 Solutions Page No:226 Question 1:What is the functional unit of the environment comprising of the living and non-living components called ?Solution :Ecosystem. Question 2:Name two natural ecosystems and two artificial ecosystems.Solution :Natural ecosystems – Grass land and forest. Artificial ecosystems – Parks and …

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Lakhmir Singh Biology Class 10 Solutions Heredity and Evolution

Lakhmir Singh Biology Class 10 Solutions Heredity and Evolution Lakhmir Singh Biology Class 10 Solutions Page No:191 Question 1:Which of the processes, sexual reproduction or asexual reproduction, brings about maximum variations in the offsprings ?Solution :Sexual Reproduction Question 2:Name one variation in humans connected with ears.Solution :Free Earlobes. Question 3:What constitutes the link between one generation …

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Lakhmir Singh Biology Class 10 Solutions How do Organisms Reproduce

Lakhmir Singh Biology Class 10 Solutions How do Organisms Reproduce Lakhmir Singh Biology Class 10 Solutions Page No:141 Question 1:Which life process ensures that a plant or animal species will not disappear from this earth ?Solution :Reproduction. Question 2:What is the name of the reproductive process :(a) which involves two parents ?(b) which involves only one …

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Lakhmir Singh Biology Class 10 Solutions Control and Coordination

Lakhmir Singh Biology Class 10 Solutions Control and Coordination Lakhmir Singh Biology Class 10 Solutions Page No:92 Question 1:What is the general name of chemical substances which bring about control and coordination in plants ?Solution :Phytohormones. Question 2:Which plant hormone is responsible for the wilting and falling of leaves ?Solution :Abscisic acid is responsible for the …

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