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प्रश्न
Name the hormone that is released by testes at the onset of puberty.
उत्तर
Testosterone is the male hormone, which is released from the testes at the onset of puberty in males. It produces the male secondary sexual characteristics and causes the growth and development of male sex organs.
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संबंधित प्रश्न
Define adolescence.
Adolescents should be careful about what they eat, because ____________.
The right meal for adolescents consists of ______.
The table below shows the data on likely heights of boys and girls as they grow in age. Draw graphs showing height and age for both boys and girls on the same graph paper. What conclusions can be drawn from these graphs?
| Age (Years) | Height (cm) | |
| Boys | Girls | |
| 0 | 53 | 53 |
| 4 | 96 | 92 |
| 8 | 11 | 110 |
| 12 | 129 | 133 |
| 16 | 150 | 150 |
| 20 | 173 | 165 |
The period at which an organism attains sexual maturity is called _____
The sperm is produced by ______.
Match the following.
| Puberty | Testosterone |
| Adam’s apple | Muscle development |
| Androgen | at 45 to 50 years of age |
| ICSH | Sexual maturity |
| Menopause | Change in voice |
The most conspicuous visible change that occurs in boys during puberty is
Read the statements given below and fill up the blanks with the correct words listed in the box.
| deep | ductless | nutrients | thyroxine |
- The meal that includes all ______ is a balanced diet.
- Insufficient production of ______ in the tadpoles leads to their incomplete development.
- Endocrine glands are also called ______ glands.
- After attaining puberty, boys develop a ______ voice.
______ is not a source of iron.
