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प्रश्न
Choose the odd one out in the following groups of four items each:
Ethyl alcohol, Carbon dioxide, Starch, Oxygen
उत्तर
Ethyl alcohol
APPEARS IN
संबंधित प्रश्न
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
List the differences between aerobic and anaerobic respiration.
Name the pores in a leaf through which respiratory exchange of gases takes place.
Where does the blood absorb oxygen in the human body?
Name the red pigment which carries oxygen in blood.
Explain why, a land plant may die if its roots remain waterlogged for a long time.
Explain why, when air is taken in and let out during breathing, the lungs always contain a residual volume of air.
What is meant by aquatic animals and terrestrial animals?
Draw a labelled diagram of the human respiratory system.
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:
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
With which human organ system (or human systems) is alveoli associated?
Answer the following in one word.
What is the muscular sheet below the lungs called?
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:
Protects the lungs from mechanical injury
State one function of the following:
Ciliated epithelium lining the respiratory tract
State one function of the following:
Diaphragm
Match the items in Column A with those in Column B.
|
Column A |
Column B |
|
Cartilaginous |
Epiglottis |
|
Large surface area |
Diaphragm |
|
Breathing movements |
Bronchi |
|
Voice |
Alveoli |
|
Complemental air |
Larynx |
|
Swallowing |
Extra inhalation |
Given below is an overall chemical reaction of a certain process:
C6H12O6 →LacticAcid+2ATP+Heat energy
Name the process.
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
Glycolysis process occurs in which part of the cell?
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
Mark the following statement as True or False. Correct the false statement.
Insects have spiracles on the lower surface of the body.
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.
