Advertisements
Advertisements
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
Advertisements
उत्तर
(c)
Carbon dioxide enters the leaves through tiny pores present on the surface of the leaf called stomata.
APPEARS IN
संबंधित प्रश्न
How are oxygen and carbon dioxide transported in human beings?
What would happen if all the green plants disappear from the earth?
Which of the following is the correct statement regarding bile?
Name one substance which is produced in anaerobic respiration by an organism but not in aerobic respiration.
Why do fishes die when taken out of water?
"Respiration is a vital function of the body". Justify this statements.
When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of:
Which of the following is the correct sequence of air passage during inhalation?
(a) nostrils → larynx → pharynx → trachea → lungs
(b) nasal passage → trachea → pharynx → larynx → alveoli
(c) larynx → nostrils → pharynx → lungs
(d) nostrils → pharynx → larynx → trachea → alevoli
Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i) Glucose → Respiration ">Ethanol + Carbon dioxide + Energy
(ii) Glucose→ Respiration ">Carbon dioxide + Water + Energy
(iii) Glucose → Respiration "> Lactic acid + Energy
(a) Name one organism which respires according to equation (i) above.
(b) Name one organism which respires according to equation (ii) above.
(c) When and where does respiration represented by equation (iii) above take place?
(d) Which equation/equations represent aerobic respiration?
(e) Which equation/equations represent anaerobic respiration?
(f) Which of the above reactions produces the maximum amount of energy?
Out of xylem and phloem, which one carries materials only upwards?
Choose the odd one out in the following groups of four items each:
Ethyl alcohol, Carbon dioxide, Starch, Oxygen
Choose the odd one out in each of the following groups of four items each:
Oxyhaemoglobin, Carbaminohaemoglobin, Hypoxia, Carboxyhaemoglobin
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
Define respiration.
Respiration refers to ____________.
Identify the CORRECT sequence of events for the transport of respiratory gases.
term 'respiration' includes
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
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.
