Question 1 :
Choose the correct word for the given clue. Clue - Secretion of endocrine glands.
Question 3 :
Given below are events that lead to pregnancy and development of embryo. (i) Fertilization of egg (ii) Maturation of egg (iii) Release of egg (iv) Embedding of embryo in thickened uterine wall. Which of the following options gives the correct order of sequence in which they occur?
Question 4 :
The onset of puberty and maturity of reproductive parts are controlled by ________.
Question 5 :
Hormones are secretions of endocrine glands which pour them directly into the ______.
Question 7 :
Name the female hormone produced by ovaries that helps in development of mammary glands.
Question 8 :
Sex of the unborn child depends on whether the zygote has XX or XY chromosomes. TRUE or FALSE?
Question 10 :
Give a suitable word for the following statement. Name of a gland which transports secretions through ducts.
Question 11 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d099f59b460d7261f325.PNG' />
In the above figure, fill the blank circles and identify the sex of child B.
Question 12 :
Out of the following, which is the correct match for Male hormone
Question 17 :
Release of sex hormones is under the control of a hormone secreted from the __________.
Question 18 :
The rate of growth in height varies in different individuals. TRUE or FALSE?
Question 20 :
State the following statement True or False:-
Reproductive life of a woman lasts from menarche to menopause.
Question 22 :
Choose the correct word for the given clue. Clue - Another term for teenage
Question 23 :
The most conspicuous visible change that occurs in boys during puberty is:
Question 24 :
State true or false. Sex hormones are chemical substances produced by sex organs.
Question 25 :
Choose the correct word for the given clue. Clue - Secretes thyroxine
Question 26 :
Out of the following, which is the correct match for Secretes thyroxin
Question 28 :
Choose the correct word for the given clue. Clue - Term for changes at adolescence
Question 29 :
The belief that the mother is completely responsible for the sex of the child is wrong because the child_____________
Question 31 :
Choose the correct word for the given clue. Clue - Pancreatic hormone
Question 32 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d094f59b460d7261f31f.PNG' />
In the above figures, observe the chart and graph given carefully and answer the following questions. Which line represents the height of girls?
Question 33 :
State true or false. Term or changes at adolescence is puberty.
Question 34 :
Insufficient production of __________ in the tadpoles leads to their incomplete development.
Question 35 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d097f59b460d7261f322.PNG' />
In the above figures, observe the chart and graph given carefully and answer the following questions. There is a difference between the pattern of increase in the height of boys and girls, is it true for each individual?
Question 38 :
Out of the following, which is the correct match for Endocrine gland attached to brain
Question 42 :
Name the hormone which would be released during the following situations:development of tadpole to frog.
Question 45 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d0eef59b460d7261f390.png' />
From the above image, fill in the crossword puzzle using the following hint: Male hormone
Question 47 :
The mother is responsible for the sex of her child. Is this a myth?
Question 48 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d094f59b460d7261f320.PNG' />
In the above figure mark the positions of the endocrine glands which release the hormones that controls the release of sex hormones.
Question 49 :
Name the hormone which would be released during the following situations: growth of a child to adult.
Question 50 :
For the metamorphosis of tadpoles which of the following elements must be available in water?
