Advertisements
Advertisements
Questions
Most leaves have the upper surface more green and shiny than the lower one. Why?
Give reasons/explain:
Most leaves have the upper surface more green and shiny than the lower surface.
Advertisements
Solution
The chloroplasts are concentrated in the upper layers of the leaf, which helps cells trap sunlight quickly. Also, the epidermis is covered by a waxy, waterproof layer of cuticle. This layer is thicker on the upper surface than the lower one. Hence, most leaves have an upper surface that is more green and shiny than the lower one.
APPEARS IN
RELATED QUESTIONS
Choose the correct answer:
Which one of the following features of plant leaves plays an important part in photosynthesis?
Name the following:
The part of chloroplast where the dark reaction of photosynthesis takes place.
Stroma is ground substance in ______.
Which tissues and cells are mainly concerned with photosynthesis?
(i) Identify the above diagram.
(ii) Label the guidelines 1-3.
(iii) Name the phenomenon which takes place in the above diagram.
(iv) Define the phenomenon.
(v) What is the importance of the above phenomenon?
The figure given below represents an experiment to demonstrate a particular aspect of photosynthesis. The alphabet ‘A’ represents a certain condition inside the flask.
(i) What is the aim of the experiment?
(ii) Identify the special condition inside the flask.
(iii) Name an alternative chemical that can be used instead of KOH.
(iv) In what manner do the leaves 1 and 2 differ at the end of the starch test?
Draw a neat and well-labeled diagram of the Chloroplast.
Explain the term Photophosphorylation.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The process of photosynthesis takes place in the dark.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
CO2 is the life-supporting gas produced due to photosynthesis.
