Photosynthesis
The process by which green plant prepare their food in the presence of sunlight, (Carbondioxide)CO2 , water, chlorophyll.

          There are four requirement for photosynthesis.
(A)    Sunlight:- It comes from sun & provide energy for photosynthesis.
(B)    Carbon dioxide (CO2):- It is obtained from air and taken through tiny pores called stomata present on the under surface of leaves.
(C)    Chlorophyll:- The chlorophyll is present in the chloroplast. Chloroplast regarded as Kitchen of cell and present in Green leaves.
•    Besides chlorophyll cetain other pigments are also present in plants like :
    (a) Carotenes : Organe in colour e.g. Carrot.   
    (b) Xanthophylls : Orange yellow in colour e.g. Maize.
    (c) Phycobilins : Different colours like red, violet e.g., Blue-green algae, brown algae etc.
    (D) Water (H2O):- They are obtained from the soil by the roots of plants and are transported to the leaves.
    Plants have Vascular tissues called Xylem & Phloem.
    (i) Xylem transport water and minerals to the leaves.
    (ii) Phloem transport food (Sucrose) to various part of plant.

 

 

 

 

 



 

Continue reading to

Join any of the batches using this book

Batch List

Smart classes
Shalini's Biology classes

Course : CBSE Class 7

Start Date : 15.08.2022

End Date : 31.12.2022

Types of Batch : Live Online Class

Subject M T W T F S S
Science(9 hours) 7:00 PM 7:00 PM 7:00 PM 7:00 PM 7:00 PM 7:00 PM 7:00 PM
Hindi(9 hours) 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM
ADVANCE CBSE 7 FOR SOCIAL. MATHS, SCIENCE
Vidya Bharti Educational Institutions

Course : CBSE Class 7

Start Date : 15.08.2022

End Date : 31.12.2022

Types of Batch : Live Online Class

Subject M T W T F S S
Mathematics(6 hours) 1:00 PM 1:00 PM 1:00 PM 1:00 PM 1:00 PM 1:00 PM -
Science(6 hours) 2:00 PM 2:00 PM 2:00 PM 2:00 PM 2:00 PM 2:00 PM -
Social Science(6 hours) 3:00 PM 3:00 PM 3:00 PM 3:00 PM 3:00 PM 3:00 PM -
ADVANCE BATCH FOR CBSE 7
Vidya Bharti Educational Institutions

Course : CBSE Class 7

Start Date : 16.08.2022

End Date : 31.12.2022

Types of Batch : Live Online Class

Subject M T W T F S S
Mathematics(6 hours) 1:45 PM 1:45 PM 1:45 PM 1:45 PM 1:45 PM 1:45 PM -
Science(6 hours) 2:45 PM 2:45 PM 2:45 PM 2:45 PM 2:45 PM 2:45 PM -
Social Science(6 hours) 3:45 PM 3:45 PM 3:45 PM 3:45 PM 3:45 PM 3:45 PM -
class 7
Star educational Institute

Course : CBSE Class 7

Start Date : 15.08.2022

End Date : 31.12.2022

Types of Batch : Live Online Class

Subject M T W T F S S
Mathematics(1 hours) 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM
Science(1 hours) 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM
English(1 hours) 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM
Hindi(1 hours) 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM
Social Science(1 hours) 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM 7:15 PM
Class Science and English
Learn English Easily

Course : CBSE Class 7

Start Date : 15.08.2022

End Date : 31.12.2022

Types of Batch : Live Online Class

Subject M T W T F S S
Science(30 hours) 8:45 PM 8:45 PM 8:45 PM 8:45 PM 8:45 PM 8:45 PM 8:45 PM
English(30 hours) 8:45 PM 8:45 PM 8:45 PM 8:45 PM 8:45 PM 8:45 PM 8:45 PM