Match the columns: Columns I Columns II Columns III A. Progesterone p. Male hormone w. Release their secretions into the bloodstream. B. Testosterone q. Ductless glands x. Causes the growth of breasts. C. Estrogen r. Ovaries y. Causes the growth of facial hair. D. Endocrine glands s. Female hormone z. Maintenance of the pregnancy.

A-s-z Progesterone is a female hormone. It prepares the uterus and other reproductive organs for pregnancy. It forms the uterus lining for the eggs or ovum which is implanted after ovulation. B-p-y Testosterone is a male hormone that causes the growth of facial hair. It is a sex hormone that plays an important role in the body of the male. It helps in the development of secondary sexual characters in males like armpit hair development, sperms formation, etc. C-r-x Estrogen is the female sex hormone produced in the adrenal glands and ovaries. It helps in the development of secondary sexual characters in females like enlargement of hips, hair growth in the armpit, growth of breasts, etc. D-q-w Endocrine glands are known as ductless glands. They release their secretions into the bloodstream. They are found in the pituitary gland, pancreas, ovaries, testes, etc. Column I Column II Column III A.Progesterone s. Female hormone z. Maintenance of the pregnancy. B.Testosterone p. Male hormone y. Causes the growth of facial hair. C.Estrogen r. Ovaries x. Causes the growth of breasts. D. Endocrine glands q. Ductless glands w. Release their secretions into the bloodstream.

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New Trends in ICSE BIOLOGY 8>Chapter 4 - Endocrine System>Exercises>Q 4

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Write true or false and correct the incorrect statement:

Glucagon lowers blood sugar level.

Important Questions on Endocrine System

MEDIUM

8th ICSE

IMPORTANT

New Trends in ICSE BIOLOGY 8>Chapter 4 - Endocrine System>Exercises>Q A

Match the columns:

Columns I	Columns II	Columns III
A. Progesterone	p. Male hormone	w. Release their secretions into the bloodstream.
B. Testosterone	q. Ductless glands	x. Causes the growth of breasts.
C. Estrogen	r. Ovaries	y. Causes the growth of facial hair.
D. Endocrine glands	s. Female hormone	z. Maintenance of the pregnancy.