Advertisements
Advertisements
प्रश्न
Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct matching pairs:
| Column I | Column II | ||
| (a) | Leydig Cells | 1. | Lack of thyroxine in children |
| (b) | Stoma | 2. | 12 pairs |
| (c) | Ova | 3. | Testosterone |
| (d) | Cranial nerve | 4. | Diffusion of respiratory gases |
| (e) | Cretinism | 5. | Haploid cells |
| 6. | 31 Pairs | ||
| 7. | Diploid cells |
Advertisements
उत्तर
| Column I | Column II | ||
| (a) | Leydig Cells | 3. | Testosterone |
| (b) | Stoma | 4. | Diffusion of respiratory gases |
| (c) | Ova | 5. | Haploid cells |
| (d) | Cranial nerve | 2. | 12 pairs |
| (e) | Cretinism | 1. | Lack of thyroxine in children |
Explanation:
- Leydig cells: The main function of these cells is to secrete androgens, such as testosterone (a male sex hormone).
- Stoma: The stoma facilitates gas transfer between the plant's leaves and the atmosphere.
- Ova: These are female gametes, which are haploid.
- Cranial nerves: Higher vertebrates have twelve pairs of cranial nerves.
- Cretinism: It is a disorder that causes aberrant mental and physical growth in children as a result of a shortage of thyroid gland hormones, or thyroxine.
APPEARS IN
संबंधित प्रश्न
Write the location and functions of the following in human testes :
Leydig cells
Multiple choice question. Tick (✓) the correct choice:
Testis are present in a sac called
- scrotum
- oviduct
- epididymis
- none of the above
Name the following :
The body part in which the testes are present in a human male.
Define the following term:
Hernia
Differentiate between the following pair:
Hymen and clitoris
Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
Name the Following
Male copulatory organ.
Name the Following
The structure in which testes are present in man.
Give reasons for the following
Scrotum remains outside the body of human males.
In humans, sperm production occurs in the organ ______.
