Sone hardeo international School

  1.  What type of climate is found on   hills? Ans: Cold and dry climate is found on hills. On hilly region temperature is very cold as there snow fall take place frequently and for that we can see so many special characters of the hilly region plant to survive on that particular area. 2.  How do conifers save water? Ans: Conifers have needle like leaves containing wax material coating which help them to avoid water loss. 3. What are mangroves? Ans: Area which has lots of water and the soil is sticky and clayey is called marshy area. The trees that grow here are called as mangroves. Example: Rhizopora , Sundari etc. 4.  How does a tree living in desert keep itself cool when it is hot? Ans: A plant (tree) living in a desert area increases the humidity of its surrounding's air and the water vapour absorb the heat of that area . Thus the temperature decrease and plant keeps itself cool.  5.  Distinguish among the three types of aquatic plants ....

                                                              OUR GREEN FRIENDS 1. What are the functions of a leaf? Ans:  Most of the plants have green leaves which perform various functions. 1.  Food preparation  :  Green plants prepare their own food by the process of photosynthesis . 2.  Respiration :  Leaves of the plant contain stomata which help in respiration.  3.  Prevention of global warming : During photosynthesis leaves absorb carbon-di-oxide and release pure , cold oxygen gas . Thus leaves of the plants prevent our environment from global warming. 2. Why are plants called producers? Ans: Our body can not make food but a plant can makes their own food . As the green plants can prepare their own food by the process of photosynthesis therefore plants are called as Producers. 3. How do ...

R eproduction in plants :- Important questions and answer s What is Reproduction? Reproduction is a biological Process by which living organisms reproduce their own kind of offSprings sexually or asexually. for an instance human beings Reproduce their babies (offspring) by  Sextual reproduction. Whereas a plant reproduce their  Offsprings through asexuall reproduction. How does a plant reproduce? A plant reproduces its offsprings in different ways asexually. It reproduces through:- 1) root (carrot, radish etc) 2) stem (potato, sugarcane etc)  3) leaves (brophyllum etc) 4) spore (fern etc ) 5) fruit (coconut etc) 6) seed (rice, wheat, chana etc) What is germination?  Germination is process by which a seed grows into a new plant.                                  Or The process of seed growing into plant is called germination.                 ...