What is shown in the given picture? What is the reason behind it?
It is a pimple. It appears during puberty due to the increased activity of sweat and sebaceous glands.
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10
Reproductive age in women starts when their (i) menstruation starts. (ii) breasts start developing. (iii) body weight increases. (iv) height increases. (v) All of these
Reproductive age in women starts when their menstruation starts
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10
Name the male hormone and which gland secretes it?
Testosterone, the male hormone, is secreted by testis. It stimulates the development of reproductive parts and secondary sexual characters in males.
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10
Define puberty.
Puberty is the age when a child's body begins to develop and change as they become an adult.
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10
Chips and packed or tinned snacks are very tasty and have adequate nutritional value, so we should eat it more. True or false?
False. Chips and packed or tinned snacks, though very tasty should never replace regular meals as they do not have adequate nutritional value.
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boom
Lose 50 points!
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star
Double points!
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rocket
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thief
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25
banana
Go to last place!
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fairy
Take points!
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shark
Other team loses 20 points!
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banana
Go to last place!
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banana
Go to last place!
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seesaw
Swap points!
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rocket
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thief
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10
Q. Which of the following is not a secondary sexual character in girls? a) Broadening of shoulders b) Broadening of waist c) Change in voice d) Growth of pubic hair (v) All of these
Broadening of Shoulders. As broadening of shoulders is a secondary sexual character in males.
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10
A person had a very big and bulging throat. What was that and why did it happen?
It is a disease named goitre which occurs due to the deficiency of thyroxine hormone. Thyroxine hormone is released by thyroid gland.
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banana
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shark
Other team loses 20 points!
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fairy
Take points!
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lifesaver
Give 25 points!
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10
Which gland is called as the master gland.
Pituitary gland is called the master gland because it controls the functions of other glands. It also releases growth hormone.
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10
How many chromosome are present in human cell? How many of them are sex chromosomes.
23 pairs or 46 chromosomes are present in human cell out of which 1 pair or 2 chromosomes are sex chromosomes.
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10
The cycle of shedding of lining of uterus stops at the age of 45 to 50 years. This stoppage is termed as ____________
Menopause. It occurs as levels of female hormone decreases with age. Due to which, ovaries stop releasing eggs and also uterus lining does not get thickened.
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10
If a sperm containing X chromosome fuses with an ovum containing X chromosome, what will be the sex of the baby. Who determined the sex of the baby-father or mother?
The baby will be a female. The father is responsible for the sex of the baby as ovum contains X chromosome while sperm contain either X or Y chromosome.
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10
____________ is also called as the female hormone.
Estrogen is the hormone produced in female that is produced by ovaries which helps in the development of secondary sexual characters in females.