Advertisements
Advertisements
प्रश्न
Choose the odd one out in the following groups of four items each:
Trachea, Ciliated epithelium, Mucous, Diffusion
Advertisements
उत्तर
Diffusion
APPEARS IN
संबंधित प्रश्न
What would happen if all the green plants disappear from the earth?
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
What organs are attached to the two bronchi?
During respiration, the plants take CO2 and release O2.
Describe the process of respiration in the following part of a plant:
Root
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
What are the major organs of respiratory system in man (or humans)?
Which contains more carbon dixoide : exhaled air or inhaled air? Why?
A, B and C are three living organisms. The organism A is a unicellullar fungus which can live without air. It is used in the commercial production of an organic compound P from molasses. The organism B is a unicellular animal which lives in water and feeds and moves by using pseudopodia. It breathes through an organelle Q. The organism C is a tiny animal which acts as a carrier of malarial parasite. It breathes and respires through a kind of tiny holes R and air-tubes S in its body.
(a) What are organisms (i) A (ii) B, and (iii) C?
(b) Name (i) P (ii) Q (iii) R, and (iv) S.
(c) Which organism/organisms undergo aerobic respiration?
(d) Which organism/organisms undergo anaerobic respiration?
Given below is an example of a certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Pleura and _____________.
Given below is an overall chemical reaction of a certain process:
C6H12O6 →LacticAcid+2ATP+Heat energy
Name the process.
With regard to the respiratory system and the process of respiration in man, answer the following question :
Give the overall chemical equation to represent the process of respiration in humans.
Answer the following question.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
Which of the following indicates the shift of oxyhaemoglobin dissociation curve due to change in ppC02 in blood?
Mark the following statement as True or False. Correct the false statement.
Insects have spiracles on the lower surface of the body
Exchange of gases in the leaves takes place with the help of ______.
Observe the figure carefully and answer the following questions.

- Which process is being tested in the activity?
- What is the result of the activity? Give reasons.
The oxygen dissociation curve is a sigmoid curve and it shifts towards the right due to ______.
