Advertisements
Advertisements
प्रश्न
Name the following:
The principle site in a green leaf for photosynthesis.
उत्तर
Chloroplast
APPEARS IN
संबंधित प्रश्न
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:
(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?
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) __________.
Expand the following biological abbreviations :
ATP
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.
Define the following:
Plant pigments
An experiment was set up as shown in the figure alongside. Look at the figure and answer the following questions:
( i) What is the objective of this experiment?
( ii ) Which plant is used in this experiment?
( iii ) Which gas is evolved in this process?
( iv ) What will happen to the rate of evolution of this gas if a pinch of sodium
bicarbonate is added?
(v ) What will happen if the apparatus is kept in dark?
Name the following:
The organisms that can be called "natural purifiers" of the air.
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 Stomata.
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?
Complete the following food chain by writing the names of appropriate organisms in the blanks:
→ __________ → __________ → Hen → Man
Explain the Term ATP.
Explain the term Plastoquinone.
Name the following:
The process by which plants produce their food.
Give technical term:
What is the percentage of CO2 in the air?
Give technical term:
Which process is the ultimate source of energy for all living organisms?
Write the functional activity of the following structure:
Thylakoids
Which one of the following is a primary producer?
The swollen basal part of the ______ pistil is the which bears the ______.
When iodine solution is added for testing starch, part of the leaf with ______ turns a blue-black color.