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प्रश्न
The membranous cover of the ovum at ovulation is ______.
पर्याय
Corona radiata
Zona radiata
Zona pellucida
Chorion
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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.
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संबंधित प्रश्न
Explain the process of fertilization in human beings.
Describe, in brief, the changes the uterus undergoes
(i) to receive the zygote.
(ii) if zygote is not formed
Describe the function of placenta.
If a woman is using a copper-T, will it help in protecting her from sexually transmitted diseases?
Why are testes located outside the abdominal cavity? What is responsible for bringing about changes in appearance seen in boys at the time of puberty?
State the main function of the Leydig cells
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
The structure formed by the villi of the embryo and the uterus of the mother.
Match the Column:
| no | Column A | Column B |
| 1 | Allele | Control of automobile exhaust |
| 2 | Leydig cells | Tourniquet |
| 3 | Utriculus | Alternate forms of genes |
| 4 | Snake bite | Dynamic equilibrium |
| 5 | Euro IV norms | Testosterone |
| Sudden change in genes | ||
| Static equilibrium |
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong :
Prostate gland, Cowper’s gland, seminal vesicle, seminiferous tubules
Give biological explanations for The placenta is an important structure for the development of a foetus
State whether human beings reproduce by sexual method or asexual method.
Do all organisms give birth to individuals like humans?
What are the organs in humans which produce the gametes?
What is the frequency of menstrual cycle in human females (or women)?
What are the male and female gonads in human beings? Mention their functions.
Mention two functions of human testes.
What is the scientific name of womb?
What changes are seen in boys at the time of puberty?
Describe the process of fertilisation in humans and development of embryo briefly.
Explain why, fertilisation is possible if mating takes place during the middle of menstrual cycle.
What is meant by implantation?
The ratio of the number of chromosomes in a human zygote and a human sperm is ______
Describe in brief the role of ureter in human male reproductive system.
Describe in brief the role of prostate gland in human male reproductive system.
Choose the correct answer:
Binary fission is a method of __________
Give the function of the following:
Uterus
Answer the following question.
What is contraception? List three advantages of adopting contraceptive measures.
Give Reasons
At the time of birth, the testes descend into the scrotal sacs.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Acrosome
(ii) Ovulation (iii) Sperm (iv) Menopause (v) Implantation (vi) Fertilization (vii) Contraception in males |
(a) Male gamete
(b) Oviduct (c) Uterus (d) Spermatozoa (e) Progesterone (f) Stoppage of the menstrual cycle (g) Sudden change in genes |
