Advertisements
Advertisements
प्रश्न
The membranous cover of the ovum at ovulation is ______.
विकल्प
Corona radiata
Zona radiata
Zona pellucida
Chorion
Advertisements
उत्तर
The membranous cover of the ovum at ovulation is corona radiata.
Explanation:
The corona radiata is the membranous cover of the ovum at ovulation, formed by the layers of follicular cells surrounding the ovum. It provides nutrients and protection to the ovum during ovulation.
APPEARS IN
संबंधित प्रश्न
Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone.
Name the parts of the human female reproductive system where
i. fertilisation takes place
ii. implantation of the fertilised egg occurs
Explain how the embryo gets nourishment inside the mother’s body.
State the changes that take place in the uterus when Female gamete/egg is not fertilised
State the main function of the Sperm duct.
Give technical terms for Thin walled sac of skin which covers the testes
Where is the female gamete formed in humans?
Which part of the human body passes sperms from a man to a woman?
Where does a fertilised ovum develop into a baby in the human body?
What is puberty?
Mention two functions of human ovaries.
Why is it an advantage for the testes to be situated in the scrotal sac outside the main body cavity? Can you think of one disadvantage?
What is the life support system of a fetus?
What changes are seen in boys at the time of puberty?
Describe the process of fertilisation in humans and development of embryo briefly.
In humans, the fertilization takes place in:
Draw a sectional view of human female reproductive system and label the following parts :
(i) Where the development of egg occurs.
(ii) Where fertilization takes place.
In humans, ______ chromosome is responsible for maleness.
Pollen grains are formed by ______ division in locules of anthers.
Diagram shows the reproductive system of female human beings:
(i) Name the parts numbered 1 to 14.
(ii) Normally, after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What is the role of sperms after their ejaculation in vagina?
(v) What is the function of the organ numbered 5?
(vi) What is the gestation period in human?
The vagina is a muscular tube.
Choose the correct answer:
The aim of sexual reproduction _________
Choose the correct answer:
Fertilization occurs in _____________
Define the following:
Sexual reproduction
The below diagram is of a developing embryo is a mother’s womb:
(i) Write the functions of the placenta, amnion, and umbilical cord.
(ii) How are the waste products of a fetus removed?
(iii) What is the gestation period?
Choose the Odd One Out:
Choose the Odd One Out:
Which one of the following statements about human sperm is correct?
Gestation period in man
