Advertisements
Advertisements
Question
Match structures given in Column I with functions given in Column II.
| Column I | Column II | ||
| (i) | Stomata | (a) | Absorption of water |
| (ii) | Xylem | (b) | Transpiration |
| (iii) | Root hairs | (c) | Transport of food |
| (iv) | Phloem | (d) | Transport of water |
| (e) | Synthesis of carbohydrates |
Advertisements
Solution
| Column I | Column II | ||
| (i) | Stomata | (b) | Transpiration |
| (ii) | Xylem | (d) | Transport of water |
| (iii) | Root hairs | (a) | Absorption of water |
| (iv) | Phloem | (c) | Transport of food |
APPEARS IN
RELATED QUESTIONS
A dialysis machine contains long tubes coiled in a tank containing dialysing solution Of what substance are the tubes made?
Differentiate between the following pairs of terms:
Bowman’s capsule and malpighian capsule.
Define the following term:
Micturition
Given below is a simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow.
![]() |
- Define excretion.
- Why does the cortex of the kidney show a dotted appearance?
- Why does the medulla of the kidney show a striped appearance?
- Write two differences in the composition of the blood flowing through the blood vessels 'A' and 'B'.
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Name the functional units of the kidneys.

Study the diagram given alongside and then answer the question that follow:

What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Describe in brief how urine is produced in the human body.
Differentiate between:
The Renal artery and the Renal vein.
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Name the organs that store and release the urine.

