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प्रश्न
What is the name of tissues which transport:
water and minerals in a plant?
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उत्तर
In a plant, xylem transports water and minerals.
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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 is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
During respiration, the plants take CO2 and release O2.
Explain why, a land plant may die if its roots remain waterlogged for a long time.
Name the type of respiration in which the end product is:
C2H5OH and CO2
Give one example where such a respiration can occur.
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of:
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
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
The two organisms which breath only through their moist skin are:
When a person breathes in the air, the air enters into his body through an organ A having two holes B in it. The air then passes through the pharynx and larynx and enters into tube C. The tube C divides into two smaller tubes D at its lower end. The two smaller tubes are attached to two respiratory organs E. Each smaller tube divides inside the organs E to form a large number of still smaller tubes called F. The smallest tubes F have air-sacs G at their ends in which gaseous exchange takes place in the body of the person. What are A, B, C, D, E, F, and G?
Answer the following in short.
Define respiration.
Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm
Which chemical compound inside a cell can be termed "Currency of Energy"?
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Alveoli and _____________.
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 |
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
Which of the following is an incorrect statement?
Mark the following statement as True or False. Correct the false statement.
Exhaled air has more percentage of CO2 than inhaled air
Visit a doctor. Find out about artificial respiration. Ask the doctor:
- When does a person need artificial respiration?
- Does the person need to be kept on artificial respiration temporarily or permanently?
- From where can the person get supply of oxygen for artificial respiration?
