Human Reproduction — BIOLOGY STD 12 Science — Question

The pioneer species always remain in equilibrium with the environment and do not change easily.

Endometrium undergoes cyclical changes and help in uterine movements.

Hepatitis-B, AIDS and genital herpes are the STDs that can be cured.

Match the terms in Column I with their descriptions in Column II.

	Column I		Column II
A	Homeostasis	1	Animal which can tolerate a wide range of temperature.
B	Conformers	2	The number of births in a given population at a given time.
C	Natality	3	Per capita births in a given population.
D	Eurythermal	4	Maintenance of a relatively constantinternal environment.
		5	Animals which change their body temperature according to the ambient temperature.

Colostrum contains antibody IgA and provides passive immunity.[True/ False]

State True/ False with explanation.
Creating awareness about sex related aspects is an effective method to improve reproductive health of the people. (True/ False)

ELISA is based on introducing a functional gene is place by a defective gene.

Bony fishes, bryophytes and pteridophytes show internal fertilisation.

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)

The skull of baby chimpanzee is more like the adult human skull than the skull of adult chimpanzee. True/ False