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 pituitary hormone directly stimulates the Leydig cells to produce androgens like testosterone?
A.Follicle Stimulating Hormone (FSH)
B.Luteinizing Hormone (LH)
C.Gonadotropin Releasing Hormone (GnRH)
D.Oxytocin
- 2.
In the human male reproductive system, which gland is single and not paired?
A.Seminal vesicle
B.Bulbourethral gland
C.Prostate gland
D.Cowper's gland
- 3.
Which of the following cells are responsible for providing nourishment to the developing spermatozoa within the seminiferous tubules?
A.Leydig cells
B.Interstitial cells
C.Sertoli cells
D.Spermatogonia
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.
Which of the following is NOT a part of the female external genitalia (vulva)?
A.Mons pubis
B.Labia majora
C.Cervix
D.Clitoris
- 2.
What is the primary function of the fimbriae in the female reproductive system?
A.Secretion of hormone
B.Collection of the ovum after ovulation
C.Providing site for fertilization
D.Production of progesterone
- 3.
The primary female sex organs that produce the female gamete and several steroid hormones are the:
A.Ovaries
B.Oviducts
C.Uterus
D.Cervix
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.
Unlike spermatogenesis, the process of oogenesis in human females is initiated at which stage of life?
A.During embryonic development
B.At the onset of puberty
C.During the first menstrual cycle
D.Only after fertilization
- 2.
The process of the release of mature spermatozoa from the seminiferous tubules into the lumen is known as:
A.Spermiogenesis
B.Spermatogenesis
C.Insemination
D.Spermiation
- 3.
Which of the following cells represents the first haploid stage during the process of spermatogenesis?
A.Spermatogonia
B.Secondary spermatocyte
C.Primary spermatocyte
D.Sertoli 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.
The luteal phase of the menstrual cycle is also commonly known as the:
A.Proliferative phase
B.Menstrual phase
C.Secretory phase
D.Follicular phase
- 2.
Which of the following hormones is primarily responsible for the rapid surge that triggers the rupture of the Graafian follicle (ovulation)?
A.Luteinizing Hormone (LH)
B.Follicle Stimulating Hormone (FSH)
C.Estrogen
D.Progesterone
- 3.
The first occurrence of menstruation at the onset of puberty is referred to as:
A.Menopause
B.Ovulation
C.Gestation
D.Menarche
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.
What is the total number of chromosomes present in a human zygote formed after the fusion of a sperm and an ovum?
A.B.C.D. - 2.
At which developmental stage does the human embryo get implanted into the wall of the uterus?
A.Zygote
B.Morula
C.Gastrula
D.Blastocyst
- 3.
During fertilization, which layer of the ovum is first encountered and penetrated by the sperm?
A.Zona pellucida
B.Corona radiata
C.Perivitelline space
D.Plasma membrane
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.
From which embryonic germ layer do the liver and pancreas primarily originate?
A.Ectoderm
B.Mesoderm
C.Trophoblast
D.Endoderm
- 2.
In human development, the first sign of a growing fetus may be noticed by listening to the heart sound carefully through a stethoscope. After how many months of pregnancy is the heart formed?
A.After three months
B.After two months
C.After one month
D.After five months
- 3.
During the process of implantation, the blastocyst becomes embedded in which layer of the uterus?
A.Perimetrium
B.Endometrium
C.Myometrium
D.Ectometrium
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.
From where do the signals for parturition originate?
A.The maternal pituitary gland only
B.The fully developed fetus only
C.Both the fully developed fetus and the placenta
D.The ovary of the mother
- 2.
The yellowish fluid secreted by the mother during the initial days of lactation is called:
A.Colostrum
B.Serum
C.Chyle
D.Placental juice
- 3.
Which hormone is primarily responsible for the ejection of milk from the mammary glands during breastfeeding?
A.Prolactin
B.Estrogen
C.Progesterone
D.Oxytocin
Download the worksheet for Human Reproduction - Parturition and Lactation to practice offline. It includes additional chapter-level practice questions.