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प्रश्न
Fill in the blank :
_________ are the openings found on older stems.
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उत्तर
Lenticels are the openings found on older stems.
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संबंधित प्रश्न
Name the following:
An organism which respires throughout life anaerobically.
How is tilling of the soil useful for the crops growing in it?
How do the following structures help in respiration in plants?
Root hairs ____________
The following diagram refers to an apparatus which is used to demonstrate a physiological process:
Define the biological process shown in the experiment.
Complete the following statement by choosing the correct alternative out of those given below.
Every living cell of the plant
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Observe the figure carefully and answer the following questions.
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- In which jar, will the amount of CO2 be the lowest and why?
A food stall owner was preparing dough for making bhaturas. He added a pinch of yeast and sugar to the dough and left it in a warm place. After few hours, the dough had risen. There was a sour smell too.
Why did the dough rise?
A food stall owner was preparing dough for making bhaturas. He added a pinch of yeast and sugar to the dough and left it in a warm place. After few hours, the dough had risen. There was a sour smell too.
Why did the dough smell sour?
Respiration requires O2. How did the first cells on the earth manage to survive in an atmosphere that lacked O2?
