Advertisements
Advertisements
प्रश्न
Name the hormone which would be released during the following situations:
- A frightened person.
- Growth of a child to adult.
- Development of caterpillar to moth.
- Development of tadpole to frog.
Advertisements
उत्तर
- Adrenaline is secreted from adrenal gland during the stress conditions like fright or fear, anger, worry or embarrassment. The hormone prepares the body to function at maximum efficiency by increasing the heartbeat and breathing rate, raising B.R, etc.
- Growth hormone is secreted from pituitary gland to regulate the normal growth of a person, i.e. growth of a child to an adult. Its deficiency in childhood makes a person dwarf, while its excess makes a person very tall (gigantism).
- Insect hormones control the development of caterpillar to moth, i.e. metamorphosis.
- Thyroxine is produced by thyroid gland to control the development of tadpole to frog. Iodine in water is necessary for its production.
APPEARS IN
संबंधित प्रश्न
________ are the chemical substances, secreted by endocrine glands.
Milk secretion during lactation is controlled by ________ hormone.
Explain the role of hormones in reproduction.
Complete the following sentence.
In females, the uterine wall thickens to receive the ______.
Give a suitable word for the following statement.
The site which responds to a hormone.
Name the female hormone produced by ovaries that helps in development of mammary glands.
In human females, each time during maturation and release of egg the inner wall of uterus thickens. Is this thickening permanent? Give reasons.
FSH is produced by ______.
Milk is rich in calcium.
Take of iodine is necessary to prevent anemia.
