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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.
Epiglottis and _____________.
उत्तर
Epiglottis and guard of entrance to trachea.
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संबंधित प्रश्न
Carbon dioxide enters into the leaves through tiny pores present on the surface of the leaf called _________.
(a) chlorophyll
(b) chloroplast
(c) stomata
(d) epidermis
What are the different ways in which glucose is oxidized to provide energy in various organisms?
The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in ______.
Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction − upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square.
- The air tubes of insects
- Skeletal structures surrounding chest cavity
- Muscular floor of chest cavity
- Tiny pores on the surface of leaf
- Small openings on the sides of the body of an insect
- The respiratory organs of human beings
- The openings through which we inhale
- An anaerobic organism
- An organism with tracheal system
The mountaineers carry oxygen with them because ______.
Name one substance which is produced in anaerobic respiration by an organism but not in aerobic respiration.
What is the name of the extensions of the epidermal cells of a root which help in respiration?
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
What is the function of the respiratory system?
Which contains more carbon dixoide : exhaled air or inhaled air? Why?
Which of the following is not produced during anaerobic respiration in unicellular fungus?
Internal respiration may be defined as:
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
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 is the name of tissues which transport:
water and minerals in a plant?
Veins and arteries carry blood. Which of these carry blood away from the heart?
An animal in which the oxygenation of blood does not take place in the lungs is:
Out of xylem and phloem, which one carries materials only upwards?
Answer the following in detail.
How is the process of cellular respiration different from breathing?
Which chemical compound inside a cell can be termed "Currency of Energy"?
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
Name the organs that bring about respiration.
With which of the following haemoglobin combines to form carboxyhaemoglobin?
Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?
Which of the following statement(s) is (are) true about respiration?
- During inhalation, ribs move inward and the diaphragm is raised
- In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from the blood into the alveolar air
- Haemoglobin has a greater affinity for carbon dioxide than oxygen
- Alveoli increase surface area for the exchange of gases
During respiration exchange of gases take place in
During the process of exhalation, the ribs move
The exchange of gases in the leaves takes place with the help of __________.
