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प्रश्न
Mention any two components of blood.
उत्तर
The two components of blood are blood corpuscles (cells) and plasma.
APPEARS IN
संबंधित प्रश्न
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
Explain why, it is dangerous to inhale air containing carbon monoxide.
State the three common features of all the respiratory organs like skin, gills and lungs.
Explain how, it would benefit deep sea divers if humans also had gills.
What are the major organs of respiratory system in man (or humans)?
Why do the walls of trachea not collapse when there is less air in it?
Which of the following statements are true about respiration?
(i) during inhalation, ribs move inward and diaphragm is raised.
(ii) the gaseous exchange takes place in the alveoli.
(iii) haemoglobin has greater affinity for carbon dioxide than oxygen.
(iv) alveoli increase surface area of the exchange of gases
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:
One of the following organisms does not depend on the simple diffusion of gases for breathing and respiration. This organism is:
During the respiration of an organism A, 1 molecule of glucose produces 2 ATP molecules whereas in the respiration of another organism B, 1 molecule of glucose produces 38 ATP molecules.
(a) Which organism is undergoing aerobic respiration?
(b) Which organism is undergoing anaerobic respiration?
(c) Which type of organism, A or B, can convert glucose into alcohol?
(d) Name one organism which behaves like A.
(e) Name two organisms which behave like B.
What happens to the glucose which enters the nephron tubule alongwith the filtrate?
An animal in which the oxygenation of blood does not take place in the lungs is:
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 _____________.
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Diaphragm and _____________.
State one function of the following:
Pleural fluid
Give Suitable Explanation for the Following :
Why do you shiver and why do your teeth chatter when it is very cold in winter?
Answer the following question.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
What is common between extensive network of blood vessels around walls of alveoli and in glomerulus of nephron?
Observe Figure 10.2 carefully and answer the following questions.
- Which process is being tested in the activity?
- What is the result of the activity? Give reasons.
