5. In lichens
and
live in symbiotic association,
6. Leguminous plants are an example of
association,
C. Very Short Answer Type Questions
1. Why are green plants called autotrophs?
2. What does 'photo represent in the term 'photosynthesis'?
3. Why is chlorophyll essential for photosynthesis?
4. How do fungi derive their nutrients?
5. Which form of energy is converted by chlorophyll? In which form is the glucose stored in plants?
6. Name the raw materials needed for photosynthesis.
D. Short Answer Type Questions
1. Write the equation representing the process of photosynthesis.
2. How are both fungus and alga benefitted in lichens? What is this association called?
3. Define nutrition and nutrients. What are the functions of stomata?
4. How is Rhizobium important for leguminous plants?
14
Answers
Explanation:
ans C.1
because they can make their own food by photosynthesis
2. photo means light
3. chlorophyll helps the plants in performing photosynthesis, they trap and convert solar energy into chemical energy
4. fungi are categorized under saphrotrophes ,they derive their nutrients from dead and decaying objects
5. chlorophyll convert solar energy into chemical energy.
the prepared food I.e. glucose is stored in plants in the form of starch
6. Name of raw materials needed are as follows
a. water
b. sunlight
c. Co2
d. minerals from the soil
Ans of D. 2. the fungus and algae are benefited in this relationship by the following ways
the fungi provides mineral, water to the algae from the soil and the algae provides food to the fungi by preparing it by photosynthesis as there is presence of chlorophyll in algae. this relationship is named as symbiotic relationship or symbiosis
Ans of D. 3. the process by which organisms obtain and take useful nutrients for growth and maintaining is called nutrition. Nutrients are the substances which helps in our growth and proper development of our physical and mental body
And .D.4 rhizobhium is very important to plants as it convert the atmosphere nitrogen into soluble form of nitrogen (nitrate) and release it into the soil and plants take these nitrogenous compounds along with water for protein synthesis.
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