Human Reproduction
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Male Reproductive System
SubtopicMale Reproductive System under Human Reproduction for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Which of the following is a major androgen produced in the human male?
A.Progesterone
B.Estrogen
C.Testosterone
D.Insulin
- 2.
What is the name of the duct that is the common passage for both urine and semen in males?
A.Ureter
B.Urethra
C.Vas deferens
D.Vasa efferentia
- 3.
Leydig cells are also known by which other name?
A.Nurse cells
B.Interstitial cells
C.Spermatozoa
D.Germinal epithelium
Download the worksheet for Human Reproduction - Male Reproductive System to practice offline. It includes additional chapter-level practice questions.
Female Reproductive System
SubtopicFemale Reproductive System under Human Reproduction for Grade 12 CBSE.
Preview questions (no answers)
- 1.
The opening of the cervix into the vagina is part of the:
A.External genitalia
B.Birth canal
C.Ovarian stroma
D.Infundibulum
- 2.
The middle layer of the uterus is composed of:
A.Skeletal muscle
B.Smooth muscle
C.Cardiac muscle
D.Fibrous tissue
- 3.
Which part of the female reproductive tract receives the penis during coitus?
A.Uterus
B.Oviduct
C.Vagina
D.Ovary
Download the worksheet for Human Reproduction - Female Reproductive System to practice offline. It includes additional chapter-level practice questions.
Gametogenesis (Spermatogenesis and Oogenesis)
SubtopicGametogenesis (Spermatogenesis and Oogenesis) under Human Reproduction for Grade 12 CBSE.
Preview questions (no answers)
- 1.
The second meiotic division in spermatogenesis results in the formation of:
A.Two secondary spermatocytes
B.Four spermatids
C.One primary spermatocyte
D.Two spermatozoa
- 2.
In the female, the primary oocytes are formed within the fetal ovary:
A.After birth
B.During embryonic development
C.At puberty
D.During the menstrual cycle
- 3.
The cells that are scattered in the interstitial spaces of the testis are:
A.Sertoli cells
B.Leydig cells
C.Germ cells
D.Follicular cells
Download the worksheet for Human Reproduction - Gametogenesis (Spermatogenesis and Oogenesis) to practice offline. It includes additional chapter-level practice questions.
Menstrual Cycle
SubtopicMenstrual Cycle under Human Reproduction for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Which hormone's withdrawal leads to the shedding of the endometrium?
A.Testosterone
B.Progesterone
C.FSH
D.Oxytocin
- 2.
Which event marks the end of the reproductive phase in human females?
A.Menarche
B.First pregnancy
C.Menopause
D.Lactation
- 3.
What initiates the follicular phase of the menstrual cycle?
A.Secretion of LH only
B.Secretion of gonadotropins (FSH/LH)
C.Secretion of progesterone by the uterus
D.Degeneration of the oocyte
Download the worksheet for Human Reproduction - Menstrual Cycle to practice offline. It includes additional chapter-level practice questions.
Fertilization and Implantation
SubtopicFertilization and Implantation under Human Reproduction for Grade 12 CBSE.
Preview questions (no answers)
- 1.
The actual fusion of the male and female gametic nuclei during fertilization is called:
A.Amphimixis
B.Ovulation
C.Menstruation
D.Syngamy
- 2.
The sex chromosomal composition of a normal human female is:
A.B.C.D. - 3.
Where is the blastocoel located?
A.Inside the morula
B.Inside the ovary
C.Inside the blastocyst
D.Inside the sperm head
Download the worksheet for Human Reproduction - Fertilization and Implantation to practice offline. It includes additional chapter-level practice questions.
Pregnancy and Embryonic Development
SubtopicPregnancy and Embryonic Development under Human Reproduction for Grade 12 CBSE.
Preview questions (no answers)
- 1.
In the early stages of human embryonic development, the zygote undergoes a series of rapid mitotic divisions to form a solid ball of 8 to 16 blastomeres. Based on the sequence shown, what is this specific stage called?
A.Morula
B.Blastocyst
C.Gastrula
D.Trophoblast
- 2.
Which event happens at the end of the second trimester (approx. 24 weeks)?
A.Fetus develops limbs and digits
B.Body is covered with fine hair and eyelids separate
C.First fetal movement is felt
D.The embryo becomes a blastocyst
- 3.
Immediately after implantation, the inner cell mass differentiates into an outer layer called ______ and an inner layer called ______.
A.Mesoderm, Endoderm
B.Ectoderm, Endoderm
C.Trophoblast, Ectoderm
D.Myometrium, Endometrium
Download the worksheet for Human Reproduction - Pregnancy and Embryonic Development to practice offline. It includes additional chapter-level practice questions.
Parturition and Lactation
SubtopicParturition and Lactation under Human Reproduction for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Breastfeeding helps the mother's uterus return to its normal size more quickly because:
A.Suckling induces oxytocin release, which causes uterine contractions
B.Milk production uses up all the body's energy
C.Prolactin causes the uterus to shrink
D.It prevents the mother from eating too much
- 2.
Which of these changes does NOT occur during parturition?
A.Cervical dilation
B.Uterine contractions
C.Placental expulsion
D.Ovulation
- 3.
What is the function of the mammary ampulla?
A.To produce antibodies
B.To act as a reservoir for milk storage before ejection
C.To produce progesterone
D.To connect the ovary to the uterus
Download the worksheet for Human Reproduction - Parturition and Lactation to practice offline. It includes additional chapter-level practice questions.