Last updated on June 28th, 2023 at 11:08 pm
Q: What factors determine a person’s height during puberty?
A: Height is largely determined by genes inherited from parents, but proper nutrition is also important for growth.
Q: What changes occur in the body shape of boys during puberty?
A: During puberty, boys develop broader shoulders and wider chests.
Q: What changes occur in the body shape of girls during puberty?
A: During puberty, in girls, the region below the waist becomes wider.
Q: What causes a deeper voice in boys during puberty?
A: A deeper voice in boys during puberty is caused by the growth of the voice box or larynx, which is visible as Adam’s apple.
Q: What is hoarseness of voice in adolescent boys during puberty?
A: Hoarseness of voice in adolescent boys during puberty is a temporary condition caused by the growth of the voice box, leading to an uneven and crackly voice.
Q: What is the effect of increased secretion of sweat and oil glands during puberty?
A: The increased secretion of sweat and oil glands during puberty leads to acne and pimples on the face.
Q: What is the development of primary and secondary sexual organs during puberty?
A: Puberty is a period of development of primary and secondary sexual organs, which include the growth and development of the reproductive system, breasts in girls, and the appearance of pubic and underarm hair in both genders.
Q: What are hormones, and what is their role in adolescence?
A: Hormones are chemical substances that control the changes that occur during adolescence. Hormones are secreted by endocrine glands or the endocrine system.
Q: What gland controls hormone production during puberty, and how does it work?
A: The pituitary gland controls hormone production during puberty. It secretes hormones into the bloodstream to reach target sites in the body.
Q: What is menarche?
Menarche is the first menstrual flow that occurs in girls at the onset of puberty.
Q: What controls the menstrual cycle?
The menstrual cycle is controlled by hormones.
Q: What are the different phases of the menstrual cycle?
The menstrual cycle includes the maturation of the egg, its release, thickening of the uterine wall, and its breakdown if pregnancy does not occur.
Q: What is menopause?
Menopause is the stoppage of menstruation, which occurs at 45 to 50 years of age.
Q: Who is responsible for determining the sex of the baby?
The sex of the baby is determined by the sex chromosomes present in the father’s sperm.
Q: What is the pituitary gland responsible for?
The pituitary gland is an endocrine gland that secretes hormones to stimulate the production of hormones in other glands, such as the testes and ovaries.
Q: Name other endocrine glands in the body.
Other endocrine glands in the body include the thyroid, pancreas, and adrenals.
Q: What is adrenaline and which gland produces it?
Adrenaline is a hormone produced by the adrenal gland that helps the body to respond to stress.
Q: Which hormone controls metamorphosis in frogs, and which gland produces it?
Thyroxine, produced by the thyroid gland, controls metamorphosis in frogs, with iodine being necessary for its production.
Q: Why is a balanced diet important for maintaining good health?
A balanced diet, including proteins, carbohydrates, fats, and vitamins in requisite proportions, is important for maintaining good health because it provides the necessary nutrients for growth, repair, and maintenance of the body’s tissues and organs.
Q: What are some iron-rich foods that are beneficial for adolescents?
Some iron-rich foods that are beneficial for adolescents include leafy vegetables, jaggery, meat, citrus fruits, and Indian gooseberry.
Q: Why is personal hygiene important during adolescence?
Personal hygiene is important during adolescence to prevent bacterial infections, especially since sweat glands are more active during this stage of rapid growth and development.
Q: How can HIV be transmitted?
HIV can be transmitted through sharing syringes for injecting drugs, from an infected mother’s milk to her infant, and through sexual contact with an infected person.
