Choose the Odd One in Each of the Following: Ovary; Fallopian Tube; Ureter; Uterus - Biology


Choose the odd one in each of the following: 

Ovary; fallopian tube; ureter; uterus 




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Chapter 13: The Reproductive System - Very short answer type [Page 182]


Selina Concise Biology Class 10 ICSE
Chapter 13 The Reproductive System
Very short answer type | Q 7.2 | Page 182


Mention the functions of Uterus in the human female reproductive system.

 Why does menstruation occur?

Draw a labeled diagram of female reproductive system.

Write two major functions each of ovary.

How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?

Where in the fallopian tube does fertilization occur in humans?

Describe the development of a fertilized ovum upto implantation.

Put a tick mark (✓) against the correct alternative in the following statement:

Internally, the uterus opens into:

State the function of Ovary.

State the function of Fallopian tubes.

Given here is a section of the female reproductive system of human beings.

Name the parts labelled 1 to 4

Describe the human female reproductive system with a labelled diagram.

Fill in the blank:

The time between fertilisation and birth is called _________.

Mention the functions of Ovary.

What happens in a girl’s body under the influence of hormones?

Choose the odd one in each of the following: 

Seminiferous tubule; ovum; epididymis; sperm duct; urethra 

Differentiate between:  

Implantation and pregnancy 


Complete the paragraph with the help of words given in the bracket.
(Luteinizing hormone, endometrium of uterus, follicle stimulating hormone, estrogen, progesterone, corpus luteum) 

Growth of follicles present in the ovary occurs under the effect of ____________. This follicle secretes estrogen. _____________ grows/regenerates under the effect of estrogen. Under the effect of ___________, fully grown up follicle bursts, ovulation occurs and _______________ is formed from remaining part of follicle. It secrets ____________ and __________. Under the effect of these hormones, glands of ____________ are activated and it becomes ready for implantation.

Explain the concept of IVF.

Sketch the labeled diagram:

Human female reproductive system

Name two hormones secreted by ovary of female reproductive system.

Name the two types of twins.

Modern techniques like surrogate mother, sperm bank and IVF technique will help the human beings. Justify this statement. 

After puberty human female shows cyclic changes in her reproductive system. Explain structural and hormonal changes in the uterus.


Give reasons :
(1) Scrotal sac serves as thermoregulator.
(2) Corpus luteum gets converted into corpus albicans in absence of fertilization.
(3) Missing of menses is the first indication of pregnancy.
(4) Surgical sterilization is a permanent method of birth control. (5) Human egg is microlecithal.

Choose the correct answer:
Cervix is a part of ________________

Given here is a section of the female reproductive system of human beings.

Name the part where fertilisation occurs in human beings.

Why is zona pellucid retained around the egg till it reaches the uterus?

Draw a sectional view of the human ovary. Label the following parts :

(i) Primary Follicle
(ii) Secondary oocyte
(iii) Graafian follicle
(iv) Corpus luteum

Name the Following

The term used for the mature follicles.

Give Technical Term:

What term is used for the production and maturation of eggs in the ovaries?

Complete the following sentences with appropriate word:

A hormone secreted in a female to facilitate parturition is ________.

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

The cilia lining the oviduct funnel, push the released ovum into the uterus.

State the Location:

Bartholin’s glands.

Write the functional activity of the following structure:

Inguinal canal

Multiple Choice Question:

Sterilization in the female involves cuffing and tying the

Generally, every month, __________ ovum is released in the abdominal cavity alternately from each ovary.

Hormones secreted by the ovary of the female reproductive system.

Write the functions of ovary

State names of organs in the female reproductive system.

Observe the diagram and answer the following questions.

  1. Label the indicated parts 1, 2 and 3 in the diagram.
  2. Where the fertilization of ovum occurs?
  3. Where does the embryo get implanted after fertilization?

Complete the table.

Sex/Gender Reasons of infertility

Which of the following is not a part of female reproductive system?

The largest cell in the human body of a female is ______.

What is true of gametes?

Estrogen is secreted by ______

After fertilization the ovary develops into ______.

The implantation of the embryo occurs at about ______ days of fertilization.

A neat labelled diagram describes the parts of a typical angiospermic ovule.

Name the part of the human female reproductive system where the following occurs.


Name the part of the human female reproductive system where the following occurs.


The stalk of the ovule is called a pedicle.

Womb is used to refer ______.

______ pollen mother cells should undergo meiotic division to produce 64 pollen grains.

______ is homologous to Bartholin's glands.

Primordial follicle cells undergo mitotic division to produce ______.

Identify the layer of the uterine wall that undergoes changes during menstrual cycle.

Identify the labels (i, ii and iii) in the given diagram of the female reproductive system.

Mark the CORRECT sequence of structures in the breast from the inner to the outer side.

Which one the following is a part of external genitalia of a female human being?

A sac shaped like an upside down pear with a thick lining and muscles in the pelvic area where a fertilized egg or zygote comes to grow into a baby is called ______.

Extra-embryonic membranes of the mammalian embryo are derived from ______.

In oocyte secondary maturation occurs in ______.

Which of the following is correct about mammalian testes?

The external genitalia of the human female is called ______.

To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.


Which of the following statements is true about the subjects? 

When sperm is deposited into the vagina which route does it travel?

When the foetus is growing inside the uterus it needs nutrients. Which part provides these nutrients?

Read the following and answer from given below:

During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.

What is the signifacance of fertilisation?

Read the following and answer from given below:

Oogenesis is the process of the formation of an ovum in the ovaries. It consists of three phases: multiplication, growth, and maturation. Oogenesis is controlled by hormones GnRH, LH, FSH. GnRH secreted by the hypothalamus stimulates the anterior lobe of the pituitary gland to secrete LH and FSH.

Identify the functions of LH.

  1. Release of a secondary oocyte from Graafian follicle.
  2. Stimulates corpus luteum to secrete progesterone.
  3. Stimulates estrogen formation.
  4. Promotes development of egg to form secondary oocyte.

What changes are observed in the uterus if fertilisation does not occur?

What changes are observed in the uterus subsequent to implantation of young embryo?

What are various ways to avoid pregnancy? Elaborate any one method.

How does fertilisation take place? Fertilisation occurs once in a month. Comment.

Mother gives birth to a baby but the baby has characters of both parents. How is this possible?

State whether the following statement is True or False. If false, correct the statement :

In adult human females, a single mature egg is released into an oviduct every month.

How can we say that fish exhibits external fertilisation?

In rabbits, humans and other placental mammals, fertilization occurs in ______.

Anterior lobe of pituitary secretes:

Capacitation occurs in:

______ acts as a birth canal. 

Progesterone is secreted by ______.

The oviducts are also known as ______.

One mature ovum is released once every ______ days. 

______ receives the sperms and acts as a birth canal during childbirth. 

Match the following:

Ovaries Bean shape
Fallopian tubes Almond shape
Uterus Funnel – shape
Kidney pear-shaped

What is parturition?

What are the functions of the ovaries and uterus in the female reproductive system?

In which part of the human female reproductive system do the following events take place?

Release of first polar body

In which part of the human female reproductive system do the following events take place?

Release of second polar body

______ is not a part of the female reproductive system in human beings.

Give reason.

Placenta is extremely essential for foetal development.

Which part of the female reproductive system is paired incorrectly with its function?

Bartholin's glands are homologous to ______.

Given below is a certain situation. Analyze and describe its possible impact on a person:

Placenta does not attach to the uterus optimally.

The ______ is also called the womb.

The______ is also called the womb.

The ______ is also called the womb.

Sketch and label - Graafian follicle.

Describe the female reproductive systems in humans.

List two roles of the Oviduct in the human reproductive system.

The ______ is also called the womb.


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