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If a person is feeling dizzy, glucose or fruit juice is given immediately but not a cheese sandwich Explain.

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प्रश्न

If a person is feeling dizzy, glucose or fruit juice is given immediately but not a cheese sandwich Explain.

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उत्तर

Glucose or fruit juice is absorbed easily through the alimentary canal. In the cells, glucose is oxidised and energy is released immediately. A cheese sandwich provides energy after digestion and absorption which takes a long time.

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अध्याय 14: Respiration in Plants - Exercises [पृष्ठ ७९]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 11
अध्याय 14 Respiration in Plants
Exercises | Q 1. | पृष्ठ ७९

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

What are respiratory substrates?


Name the most common respiratory substrate.


What happens to the energy liberated during respiration?


Glycolysis is a process ___________.


One same common function is performed by?


Name the following:

Energy currency of cell.


Name the following: 

Oxidative breakdown of carbohydrates to release energy.


Name the following: 

An organism which respires throughout life anaerobically.


Name the following:

Aerobic respiration requires_________ .


How is tilling of the soil useful for the crops growing in it?


Fill in the blank : 

_________ are the openings found on older stems. 


Fill in the blank :

Glycolysis occurs in the _______of the cells.


Fill in the blank: 

_____________ is a respiratory substrate


Fill in the blank: 

 _____________ is a chemical which absorbs oxygen of the air.


How do the following structures help in respiration in plants?

Lenticels _____________


How do the following structures help in respiration in plants?

Stomata _____________


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: 

Name the biological process which causes the above rise.


What do you understand by respiration?


Complete the following statement by choosing the correct alternative out of those given below.

Every living cell of the plant


Name the following:

The process of living beings which is concerned with the release of energy for use in the body.


The roots of a plant take up oxygen from the ______ trapped between the ______ particles.


Which gas present in the air is essential for aerobic respiration?


Observe the figure carefully and answer the following questions.

  1. In which jar, will the amount of CO2 be the highest and why?
  2. 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?


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 was sugar added to the dough?


Mitochondria are called powerhouses of the cell. Which of the following observations support this statement?


Explain the term “Energy Currency”. Which substance acts as energy currency in plants and animals?


When a substrate is being metabolized, why does not all the energy that released in one step. It is released in multiple steps.What is the advantage of step-wise release?


RuBP carboxylase, PEP carboxylase, Pyruvate dehydrogenase, ATPase, cytochrome oxidase, Hexokinase, Lactate dehydrogenase.

Select/choose enzymes from the list above which are involved in

  1. Photosynthesis
  2. Respiration
  3. Both in photosynthesis and respiration

How does a tree trunk exchange gases with the environment although it lacks stomata?


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