Reproduction
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Sexual Reproduction in Flowering Plants
SubtopicSexual Reproduction in Flowering Plants under Reproduction for Grade 12 ICSE.
Preview questions (no answers)
- 1.
A typical mature angiosperm embryo sac, at the time of fertilization, is characterized as being:
A.8-celled and 7-nucleate
B.7-celled and 8-nucleate
C.8-celled and 8-nucleate
D.7-celled and 7-nucleate
- 2.
In flowering plants, the ovary eventually develops into the fruit, while the ovules develop into:
A.Seeds
B.Endosperm
C.Pericarp
D.Embryo sac
- 3.
Which layer of the microsporangium wall provides nourishment to the developing pollen grains?
A.Epidermis
B.Endothecium
C.Middle layers
D.Tapetum
Download the worksheet for Reproduction - Sexual Reproduction in Flowering Plants to practice offline. It includes additional chapter-level practice questions.
Human Reproduction
SubtopicHuman Reproduction under Reproduction for Grade 12 ICSE.
Preview questions (no answers)
- 1.
Colostrum, the yellowish fluid secreted by the mother during the initial days of lactation, is essential for the newborn because it contains which specific antibody to provide passive immunity?
A.B.C.D. - 2.
During the menstrual cycle, a rapid surge in the levels of which hormone induces the rupture of the Graafian follicle and the subsequent release of the ovum (ovulation)?
A.Progesterone
B.Estrogen
C.Follicle Stimulating Hormone (FSH)
D.Luteinizing Hormone (LH)
- 3.
In the human female, fertilization typically occurs in which specific region of the reproductive tract?
A.The fundus of the uterus
B.The cervical canal
C.The ampullary-isthmic junction of the Fallopian tube
D.The fimbriae of the infundibulum
Download the worksheet for Reproduction - Human Reproduction to practice offline. It includes additional chapter-level practice questions.
Reproductive Health
SubtopicReproductive Health under Reproduction for Grade 12 ICSE.
Preview questions (no answers)
- 1.
What is the primary function of the 'Copper' ions released by CuT and Cu7?
A.They inhibit ovulation
B.They make the uterus unsuitable for implantation
C.They suppress sperm motility and fertilizing capacity
D.They block the entry of sperms into the cervix
- 2.
'Saheli', a new oral contraceptive for females, contains a non-steroidal preparation called:
A.Centchroman
B.Progesterone
C.Estrogen
D.Cortisol
- 3.
The statutory ban on amniocentesis in India is primarily aimed at preventing which of the following?
A.Genetic disorders like Down's syndrome
B.Metabolic disorders in the fetus
C.Female foeticide
D.Maternal mortality
Download the worksheet for Reproduction - Reproductive Health to practice offline. It includes additional chapter-level practice questions.