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प्रश्न
Name the following:
Source of oxygen given out in photosynthesis.
उत्तर
Water
APPEARS IN
संबंधित प्रश्न
Cochlea, Malleus, Pinna, Stapes, Incus.
the exact location of the Thylakoids
Give suitable biological reasons for the following statement :
All life on Earth is supported by Photosynthesis.
Choose the correct answer:
Which of the following gas is used in photosynthesis?
The specific function of light energy in the process of photosynthesis is to
Name the following:
The first form of food substance produced during photosynthesis.
Are the following statement true or false? Give a reason in support of your answer.
If you immerse a leaf intact on the plant in ice cold water, it will continue to photosynthesise in bright sunshine.
Complete the following food chain by writing the names of appropriate organisms in the blanks:
__________ → Mouse → _________ → Peaock
The figure given below is for performing an experiment on photosynthesis.
Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Photosynthesis can also occur n artificial light such as that of a 100-watt electric lamp.
Choose the correct option.
Energy is transferred from the light reaction step to the dark reaction step by ______.
Gas exchange takes place in plants using _____.
What is photosynthesis and wherein a cell does occur?
Why should the light-dependent reaction occur before the light-independent reaction?
Oxygen is used for the synthesis of protein and fertilizers.
When iodine solution is added for testing starch, part of the leaf with ______ turns a blue-black color.
What are stomata?
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.
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Producers : Autotrophs : : Consumers : ______
