3.
What are the elements required by plants for photosynthesis?
ii). Why is the process of preparing food by the plants called photosynthesis?
iii) Write any three functions of a leaf.
iv) How does the plant use the food that it prepares?
v) How do plants store food? Where do they store extra food?
vi) Plants and animals are dependent on each other. How?
Answers
Answer:
Light work
Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight. This process is called photosynthesis, which means 'making out of light'.
Answer:
Q.1Carbon. Carbon forms the backbone of most plant biomolecules, including proteins, starches and cellulose. ...
Hydrogen. Hydrogen is necessary for building sugars and building the plant. ...
Oxygen. ...
Sulfur. ...
Calcium. ...
Iron. ...
Molybdenum. ...
Copper.
Q2.Light work
Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight. This process is called photosynthesis, which means 'making out of light'.
Q3.. he leaves perform three main functions such as manufacture of food, interchange of gases between the atmosphere and the plant body andevaporation of water.
Q4.Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight.
Q.5When they have extra food they store it in their seeds and when the seed grows it gets it's food from the plant until the plant is able to photosynthesis and produce its food.
Q6.Plants and animals depend upon each other as mutual interdependence is must for their survival.
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