Advertisements
Advertisements
Question
Write the functions of the following organs of reproduction:
a. Ovaries
b. Seminal vesicle and prostate glands
Solution
(a) Functions of ovaries:
a. They produce eggs.
b. The eggs are released from the ovaries by the process of ovulation.
c. The ovaries also secrete the female sex hormone oestrogen, which brings about changes in girls at the time of puberty.
(b) Functions of seminal vesicle and prostate glands:
a. They produce the ejaculatory fluid.
b. This fluid helps in the transport of sperms and provides nutrition to the sperms.
APPEARS IN
RELATED QUESTIONS
Explain the process of development in human beings.
Draw a sectional view of human female reproductive system and label the part where
(i) eggs develop.
(ii) fertilisation takes place.
(iii) fertilised egg gets implanted.
What is placenta?
Write the functions of the following parts in human female reproductive system:-
(i) Ovary
(ii) Oviduct
(iii) Uterus
Mention the total number of chromosomes along with the sex chromosomes that are present in a human female and a human male. Explain how in sexually producing organisms the number of chromosomes in the progeny remains the same as that of the parents.
State the main function of the Corpus luteum
the Biological/technical term for The canal through which the testes descend into the scrotum just before the birth of a male baby
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follow:
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) Mention any two functions of the part labelled 2 in the diagram.
(iii) Explain the significance of the part numbered 3 in the diagram.
(iv) Define the term ‘Gestation’. What is the normal gestational period of the developing human embryo?
(v) Mention the sex chromosomes in a male and female embryo.
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 |
Give technical terms for Thin walled sac of skin which covers the testes
What are the female sex cells in humans called?
Which part of the human body passes sperms from a man to a woman?
Fill in the following blank with suitable word :
The menstrual cycle is controlled by.............
The diagram shows female reproductive system. Name the parts labelled A to D.
(a) In which part do the sperms enter?
(b) Which part releases the egg?
(c) In which part does fertilisation take place?
(d) In which part does the foetus develop?
Which structure in human female is equivalent to the vas deferens in the male?and in what respect the structures are equivalent?
What is meant by implantation?
One of the following is not a part of the human male reproductive system. This is
(a) testis
(b) oviduct
(c) seminal vesicle
(d) prostrate gland
In a flower, the parts that produce male and female gametes are respectively :
(a) sepal and anther
(b) filament and stigma
(c) anther and ovary
(d) stamen and style
In humans, the fertilization takes place in:
Rewrite the terms in the correct order so as to be in a logical sequence.
Implantation, ovulation, child birth, gestation, fertilisation.
Explain how the transmission of virus and bacteria diseases be prevented?
List two changes observed in girls at the time of puberty.
List and explain in brief three methods of contraception.
In male and female reproductive system of human, ______ gland is same.
Gender of child is determined by the male partner of couple. Explain with reasons whether this statement is true or false.
The vagina is a muscular tube.
Choose the correct answer:
Fertilization occurs in _____________
Give the functions of the following:
Vagina
Define the following:
Clone
Define the following:
Gestation
Rewrite the following terms in a correct and logical sequence:
The luteal phase, follicular phase, menstrual phase, ovulatory phase.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A zygote is the product of the fusion of male and female gametes.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Women after the age of 45 years normally cannot produce children.
Choose the Odd One Out:
During adolescence, reproductive phase starts and ______.
A zygote is formed by the fusion of a male gamete and a female gamete. The number of chromosomes in the zygote of a human is ______.
