Advertisements
Advertisements
प्रश्न
Explain the Term NADPH.
उत्तर
NADPH: Reduced form of nicotinamide adenine dinucleotide phosphate, a small water-soluble molecule that acts as a hydrogen carrier in biochemical reactions.
APPEARS IN
संबंधित प्रश्न
Formalin, Iodine, DDT, Lime
Give appropriate biological/technical terms for the following:
An apparatus that measures the rate of water uptake in a cut shoot due to transpiration.
The individual flattened stacks of membranous structures inside the chloroplasts are known as :
A. Grana
B. Stroma
C. Thylakoids
D. Cristae
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) __________.
Give suitable biological reasons for the following statement :
All life on Earth is supported by Photosynthesis.
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow :
(ii) Name the tropic movement shown by part 1.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
The raw materials for photosynthesis include water and carbon dioxide.
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
Fill in the blank:
Xanthophyll is ______ coloured pigment.
Mention one difference between the following on the basis of what is given in bracket.
Respiration and photosynthesis (gas released)
Identify the false statements and rewrite them correctly by changing the first or last word only.
Immediate product of photosynthesis is glucose.
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process is Phloem tissue in the leaf veins.
What is the importance of photosynthesis in the life of the following:
Animals
Oxygen given out during photosynthesis comes from water. Explain this statement.
Explain, why respiration is said to be a reversed process of photosynthesis?
Name the following:
The process by which plants produce their food.
Give technical term:
What does NADP stand for?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Radiant energy is converted into chemical energy by photosynthesis.
Study the diagram given below and fill in the blanks with suitable words:
In order to prove that carbon dioxide is necessary for
(a) ______, a potted plant is placed in dark for 48 hours to (b) ______ the leaves. A part of a leaf is inserted into a conical flask containing potassium hydroxide solution. This is to absorb (c) ______ from the flask. The plant is then placed in sunlight for a few hours. The experimental leaf is tested for starch. The part of the leaf that was inside the conical flask turns (d) ______, whereas the part of the left outside turns (e) ______ in colour.
Distinguish between the following pairs on the basis of the word indicated in the bracket ( ).
Producers and Consumers (organisms)