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प्रश्न
Explain how, it would benefit deep sea divers if humans also had gills.
उत्तर
If humans also had gills, the deep sea divers would not have to carry oxygen cylinders with them for breathing under the water.
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संबंधित प्रश्न
What are the different ways in which glucose is oxidized to provide energy in various organisms?
Name the pores in a leaf through which respiratory exchange of gases takes place.
The trachea divides into tow tubes at its lower end. What is the name of these tubes?
Describe the exchange of gases which takes place in the leaves of a plant
(a) during daytime, and (b) at night.
Which of the following statements are correct?
(i) pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) fermentation takes place in the case of aerobic bacteria
(iii) fermentation takes place in mitochondria
(iv) fermentation is a form of anaerobic respiration
Which of the following is known as the energy currency of the cells in biology?
The breathing and respiration in woody stem of a plant takes place through:
The photosynthesis in a plant is not taking place during the day time if the plant is releasing:
Out of xylem and phloem, which one carries materials upwards as well as downwards?
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 |
State one function of the following:
Intercostal muscles
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
____________ refers to a biochemical process of oxidation of organic compounds in an orderly manner for the liberation of chemical energy in the form of ATP.
Respiration refers to ____________.
Complete the analogy.
Transport of CO2 by plasma : 7% :: Transport of CO2 by bicarbonate ions: ____________.
Lack of oxygen in muscles often leads to cramps among cricketers. This results due to:
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
The function of KOH is to absorb ______.
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.
