The correct set of a single endocrine gland hormone is:
- AOxytocin, prolactin, $\text{ACTH}$
- ✓Oxytocin, vasopressin, $\text{ADH}$
- CThyroxin, secretin, $\text{ACTH}$
- DEpinephrin, cortisol, $\text{ICSH}$
Answer: B.
View full solution →Question types
Human Reproduction question types
828 questions across 8 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
828
Questions
8
Question groups
5
Question types
01
MCQ
274 Q→02Fill in the blanks
21 Q→03Answer the following questions
126 Q→04Answer the following questions.
132 Q→05Answer the following questions in detail.
133 Q→06Answer the following questions in detail.
120 Q→07True-False
12 Q→08Case study (4 Marks)
10 Q→Sample Questions
Human Reproduction questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Sertoli cells are found in:
- AKidney of rabbit
- BOvary of frog
- ✓Testes of rabbit
- DOvary of rabbit
Answer: C.
View full solution →The concept that organizer is essential for embryonic development was given by:
- A$J.$ Axelrod
- B$K.$ Landsteiner
- ✓$H.$ Spemann
- D$I. P.$ Pavlov
Answer: C.
View full solution →Which of the following hormones is not secreted by human placenta?
- A$\text{HCG.}$
- BEstrogens.
- CProgesterone.
- ✓$\text{LH.}$
Answer: D.
View full solution →Corona radia is made up of:
- ✓Follicular cells around the oocyte.
- BStratum functionalis.
- CZona pellucid around the oocyte.
- DAll of these.
Answer: A.
View full solution →________ refers to the onset of menstruation at puberty.
Fill in the blanks:
Zygote divides to form _____________ which is implanted in uterus.
Zygote divides to form _____________ which is implanted in uterus.
Fill in the blanks:
The structure which provides vascular connection between fetus and uterus is called _____________.
The structure which provides vascular connection between fetus and uterus is called _____________.
Fill in the blanks:
Fertilisation takes place in _____________.
Fertilisation takes place in _____________.
The process of delivery of the foetus, is called _______.
Where is acrosome present in humans? Write its function.
Name the embryonic stage that gets implanted in the uterine wall of a human female.
Where does fertilisation normally take place in a human female?
Write the location and function of the Sertoli cells in humans.
Name the type of cell division that takes place in the zygote of an organism exhibiting haplontic life cycle.
Write the effect of the high concentration of L.H. on a mature graafian follicle.
Write the location and functions of the following in human testes:
- Sertoli cells.
- Leydig cells.
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
- Where do the signals for parturition originate from in humans?
- Why is it important to feed the newborn babies on colostrum?
Give reasons for the following:
- The human testes are located outside the abdominal cavity.
- Some organisms like honey-bees are called parthenogenetic animals.
A woman has certain queries as listed below, before starting with contraceptives pills. Answer them.
- What do contraceptive pills contain and how do they act as contraceptives?
- What schedule should be followed for taking these pills?
Draw a labelled diagram of the reproductive system in a human female.
Read the graph given above and correlate the uterine events that take place according to that the hormonal levels on.
- 6-15 days.
- 16-25 days.
- 26-28 days (if the ovum is not fertilised).
- Specify the sources of the hormones mentioned in the graph.
Describe the embryonic development of a zygote upto its implantation in humans.
One of the twins born to parents having normal colour vision was colour blind whereas the other twin had normal vision. Work out the cross. Give two reasons how it is possible.
Draw a neat diagram of the female reproductive system and label the parts associated with the following (a) production of gamete, (b) site of fertilisation (c) site of implantation and, (d) birth canal.
What is foetal ejection reflex? Explain how it leads to parturition?
The zygote passes through several developmental stages till implantation, Describe each stage briefly with suitable diagrams.
The following is the illustration of the sequence of ovarian events (a – i) in a human female.
Identify the figure that illustrates corpus luteum and name the pituitary hormone that influences its formation.
Identify the figure that illustrates corpus luteum and name the pituitary hormone that influences its formation.
Answer the following question.
Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum.
Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum.
Identify True/ False statements. Correct each false statement to make it true.
Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/ False)
Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/ False)
Oxytocin, necessary for parturition, is secreted by the fully-developed foetus and the placenta.
Identify True/ False statements. Correct each false statement to make it true.
Leydig cells synthesise androgens. (True/ False)
Leydig cells synthesise androgens. (True/ False)
The finger-like projections, called fimbriae, help in the collection of ovum into the fallopian tube following ovulation.
The finger-like projections that appear on the trophoblast following implantation, are called chorionic villi.
Read the following and answer any four questions from (i) to (v) given below:
A functional mammary gland is characteristic of all female mammals. Mammary glands are paired structures that contain glandular tissue and variable amount of fat. Refer to the given figure of a mammary gland and answer the following questions.
A functional mammary gland is characteristic of all female mammals. Mammary glands are paired structures that contain glandular tissue and variable amount of fat. Refer to the given figure of a mammary gland and answer the following questions.
- Mammary glands are modified:
- Sweat glands.
- Sebaceous glands.
- Sudoriferous glands.
- Lacrimal glands.
- Identify the incorrectly matched pair.
- P - Areola.
- Q - Lactiferous duct.
- S - Mammary duct.
- T - Mammary alveoli.
- Mammary ducts expand to form:
- Mammary alveoli.
- Mammary ampullae.
- Lactiferous ducts.
- Mammary tubules.
- What is areola?
- Grape-like clusters of milk secreting structures.
- Fatty tissue between the mammary lobes.
- Circular pigmented area of skin around nipple.
- Connective tissue that supports the alveoli and ducts.
- Assertion: The size of breast depends on the amount of adipose tissue.
- Both assertion and reason are true, and reason is the correct explanation of assertion.
- Both assertion and reason are true, but reason is not the correct explanation of assertion.
- Assertion is true, but reason is false.
- Both assertion and reason are false.
Read the following and answer any four questions from (i) to (v) given below:
Each testicular globule of testis contains one to three highly coiled seminiferous tubules. Wall of each seminiferous tubule is formed of single layered germinal epithelium. Majority of cells in this epithelium are cuboidal, called male germ cells. Study the transverse section of part of seminiferous tubule and answer the following questions.
Each testicular globule of testis contains one to three highly coiled seminiferous tubules. Wall of each seminiferous tubule is formed of single layered germinal epithelium. Majority of cells in this epithelium are cuboidal, called male germ cells. Study the transverse section of part of seminiferous tubule and answer the following questions.
- What is the characteristic of K?
- K is spermatogonium which grows into primary spermatocyte.
- K is Sertoli cell which provides nutrition to spermatids.
- K is secondary spermatocyte which undergo meiosis II to form spermatid.
- K is spermatid being converted into sperm.
- Which of the following cell undergo reduction division to form secondary spermatocyte?
- J
- M
- L
- K
- How many among the following have 46 chromosomes?
- 2
- 4
- 5
- 3
- Select an option that correctly identifies different labels.
- L- Primary spermatocyte, N - Spermatozoa, M - Secondary spermatocyte.
- J - Spermatogonium, K - Sertoli cell, O - Spermatozoa.
- L- Primary spermatocyte, M - Secondary spermatocyte, N - Spermatozoa.
- J - Spermatogonium, K - Primary spermatocyte, N - Spermatid.
- Which hormone initiates spermatogenesis at puberty?
- FSH
- ICSH
- ABP
- GnRH
Read the following and answer any four questions from (i) to (v) given below:
Cleavage is the series of rapid mitotic divisions in zygote and forms blastula. The 2, 4, 8, 16 daughter cells are called blastomeres. Embryo with 64 blastomeres is known as blastocyst and has blastocoel cavity. Blastocyst gets implanted in uterine wall and leads to pregnancy.
Cleavage is the series of rapid mitotic divisions in zygote and forms blastula. The 2, 4, 8, 16 daughter cells are called blastomeres. Embryo with 64 blastomeres is known as blastocyst and has blastocoel cavity. Blastocyst gets implanted in uterine wall and leads to pregnancy.
- Solid mass of cells with 16 blastomeres is called:
- Morula.
- Blastula.
- Gastrula.
- Zygote.
- At which stage of embryonic development, trophoectoderm develops?
- Zygote.
- Morula.
- Blastula.
- Gastrula.
- Site of implantation is:
- Endometrium of uterus.
- Cervix.
- Uterine fundus.
- Infundibulum of oviduct.
- Correct sequence of various structures formed during embryonic development is:
- Morula → Embryo → Gastrula → Blastula.
- Zygote → Embryo → Morula → Blastula.
- Blastula → Morula → Gastrula → Embryo.
- Zygote → Morula → Blastula → Gastrula.
- Assertion: Side of blastocyst with inner cell mass is called animal pole.
- Both assertion and reason are true, and reason is the correct explanation of assertion.
- Both assertion and reason are true, but reason is not the correct explanation of assertion.
- Assertion is true, but reason is false.
- Both assertion and reason are false.
Read the following and answer any four questions from (i) to (v) given below: The mature ovum or a female gamete is spherical in shape. The human ovum is almost free of yolk and is said to be alecithal. Human ovum loses its ability to be fertilised about 24 hours after ovulation. Refer to the given structure of ovum and answer the following questions.
- Thick cellular layer formed of radially elongated follicular cells is:
- Zona pellucida.
- Plasma membrane.
- Perivitelline membrane.
- Corona radiata.
- In humans, at which stage does ovum get released from ovary?
- Secondary oocyte.
- Oogonium.
- Primary oocyte.
- First polar body.
- Cytoplasm of an ovum is enveloped by _____.
- Zona pellucida.
- Corona radiata.
- Cell membrane.
- Perivitelline space.
- Select the correct option:
|
S. No
|
V
|
W
|
X
|
|
(a)
|
Cytoplasm
|
Zona pellucida
|
Plasma membrane
|
|
(b)
|
Cortical granules
|
Corona radiata
|
Zona pellucida
|
|
(c)
|
Cortical granules
|
Plasma membrane
|
Corona radiata
|
|
(d)
|
Cytoplasm
|
Corona radiata
|
Zona pellucida
|
- Which of the following is not a characteristic of an ovum?
- Nucleus of an ovum has prominent nucleolus.
- Only one ovum formed from one oogonium.
- It lacks centrioles.
- It has very small amount of ooplasm.
Read the following and answer any four questions from (i) to (v) given below:
In testis, the immature male germ cells produce sperms by spermatogenesis that begins at puberty. It occurs in the seminiferous tubules of the testes. Seminiferous tubules are lined by germinal epithelium. Study the schematic representation of spermatogenesis and answer the following questions.
In testis, the immature male germ cells produce sperms by spermatogenesis that begins at puberty. It occurs in the seminiferous tubules of the testes. Seminiferous tubules are lined by germinal epithelium. Study the schematic representation of spermatogenesis and answer the following questions.
- Which cell division occurs during multiplication phase?
- Mitosis.
- Meiosis I.
- Meiosis II.
- Both (b) and (c).
- How many chromosomes are present in secondary spermatocyte and spermatid, respectively?
- 46, 23
- 46, 46
- 23, 23
- 23, XY
- Transformation of L into M is known as:
- Spermiation.
- Spermateliosis.
- Spermatogenesis.
- None of these.
- Select the correct option.
- Type A spermatogonia grows to larger primary spermatocyte.
- One spermatogonium forms two spermatids.
- Spenniation is the release of sperms from seminiferous tubules.
- Primary spermatocyte undergoes mitosis to form secondary spermatocytes.
- Which hormone acts on spermatogonia to stimulate sperm production?
- LH.
- GnRH.
- ABP.
- FSH.
Generate a Human Reproduction paper free
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.