Advertisements
Advertisements
प्रश्न
Choose the Correct Answer:
The main difference between chlorophyll ‘a’ and ‘b’ is:
पर्याय
Chlorophyll ‘a’ is a linear chain compound and ‘b’ is branched chain
Chlorophyll ‘a’ has no Mg ion in centre of molecule
In chlorophyll ‘a’ there is — CH3 group whereas in ‘b’ it is — CHO group
All of the above
Advertisements
उत्तर
In chlorophyll ‘a’ there is — CH3 group whereas in ‘b’ it is — CHO group
संबंधित प्रश्न
An experiment was set up as shown in the figure given below . The twig in the diagram was intact on the plant and it was as such in sunlight for a few hours .
(i) What is the aim of the above experiment ?
(ii) Why was potassium hydroxide placed inside the conical flask ?
(iii) What test would you perform on the leaf inside the flask?
(iv) What is the expected result of the above test ?
(v) Is it necessary to similarly test on outer leaf also ? Giva a reason .
Describe fully one experiment with potted green plant to show that starch is not produced in the leaves when carbon dioxide is not available (diagrams essential)
Are the following statement true or false? Give a reason in support of your answer.
Destarching of the leaves of a potted plant can occur only at night.
Given below is a schematic diagram to illustrate some aspects of photosynthesis.
- Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items.
- What phenomenon do the thick arrows A and B indicate?
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.
Name any one organism that could be shown at No .5
Given alongside is the diagram of an experimental set-up:
- What is the objective of this experiment?
- Will it work satisfactorily? Give reason.
- What alteration(s) will you make in it for obtaining expected result?
- Would you take any steps before starting the experiment? Describe this step and explain its necessity.
Where are the chlorophyll pigments present in a cell?
ATP is needed for the dark reaction.
Choose the Odd One Out
