Advertisements
Advertisements
प्रश्न
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
Advertisements
उत्तर
1) to kill the cells
2) remove the chlorophyll
3) Iodine solution
4) blue-black in colour
5) brown
APPEARS IN
संबंधित प्रश्न
Expand the following biological abbreviations :
ATP
State the main functions of the following:
Medulla Oblongata
The figure given below represents the vertical section of a leaf.
( i) Name the parts labeled 1 to 5.
( ii ) What do the two arrows (dotted and solid) indicate in the daytime and at night?
( iii) Could you add one more arrow in the figure? If yes, what for?
( iv) How many leaf veins have been shown in this section?

Are the following statement true or false? Give reason in support of your answer.
The starting point of carbon cycle is the release of carbon dioxide by animals during respiration.
Explain, why respiration is said to be a reversed process of photosynthesis?
Name the molecules which are called assimilatory power? Why are they called so?
Give technical term:
Name the tissue that transports manufactured starch from the leaves to all parts of the plant.
Complete the following sentence with appropriate word:
A dark reaction is a __________ reaction.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leaves are broad and flat to increase the surface area for photosynthesis.
Fill in the blank by rearranging the letter in the bracket.
Pigment involved in the food synthesis is _________ (phllylochor).
