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प्रश्न
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Mitochondria and _____________.
उत्तर
Mitochondria and power house (respiration)
APPEARS IN
संबंधित प्रश्न
List the differences between aerobic and anaerobic respiration.
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
Name the process by which plant parts like roots, stems, and leaves get oxygen required for respiration.
In the lungs what substance is taken into the body?
State whether the following statement is true or false:
Energy can be produced in cells without oxygen.
Describe the process of respiration in Amoeba. State whether it is anaerobic respiration or aerobic respiration.
Draw a labelled diagram of the human respiratory system.
Which of the following is known as the energy currency of the cells in biology?
One of the following animals does not use tracheae as the respiratory organs. This animal is:
An organism X having breathing organs A lives on land. When organism X goes underwater, it cannot survive for a long time unless carrying an oxygen cylinder. On the other hand, the organism Y having breathing organs B always lives in water and if taken out of the water, it dies after a short while. A third organism Z having breathing organs C and D which lives on the banks of ponds, lakes, and rivers can survive on land as well as in water equally well.
(a) What could organism X be? Name the breathing organs A.
(b) What could organism Y be? Name the breathing organs B.
(c) What could organism Z be? Name the breathing organs C and D.
(d) Out of X, Y, and Z, which organism is (i) amphibian, (ii) aquatic, and (iii)
terrestrial?
Veins and arteries carry blood. Which of these carry blood away from the heart?
Out of xylem and phloem, which one carries materials upwards as well as downwards?
In the lungs what substance is removed from the body?
Veins and arteries carry blood. Which of these carry blood back to the heart?
Name the body structure concerned with the given functional activity:
Prevents food from entering the trachea during swallowing.
Name the body structure concerned with the given functional activity:
Provides actual diffusion of respiratory gases in the lungs.
State one function of the following:
Ciliated epithelium lining the respiratory tract
State one function of the following:
Intercostal muscles
How is the respiratory passage kept free of dust particles?
Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?
Answer the following question.
How is O2 and CO2 transported in human beings?
Define respiration.
Why is respiration essential for life?
With which of the following haemoglobin combines to form carboxyhaemoglobin?
______ refers to the physical process by which gaseous exchange takes place between the atmosphere and the lungs.
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
Lack of oxygen in muscles often leads to cramps among cricketers. This results due to:
Which of the following is an incorrect statement?
Name the energy currency in the living organisms. When and where is it produced?
