Class 5th Science Ch 1

 







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Class 9th Science Ch 2 Revision Notes on Is matter around us Pure

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Class 5th science written work Ch 1 Growth and development in Plants

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Date 24 April,2021 Day: Saturday Ch 1 Growth and development in Plants Give short answer to the following  Q1. What is germination? Ans: the process of converting a seed into seedling. Q2.  what are the necessary conditions for seed to germinate? Ans:   Temperature , moisture,  air , and  light  conditions must be correct for seeds to germinate. Q3. what is the role of cotyledons in the growth of a seedling Ans:  Cotyledons function  to provide the initial  growth  for the plant and as an energy source. Q4. what is vegetative reproduction? Ans: V egetative reproduction  is a method wherein new plants are produced by vegatative parts of a plant called propagules. The  vegetative  parts mean the leaf, stem and root.  Q5. How does soil affect the growth of the plant? Ans: Plants growth is greatly affected by the type of soil. different types of soil suitable for different kinds of plants. for example black soil...
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Class 6th Science written work Ch 16 Garbage in Garbage out

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