A. identical twins are produced B. fraternal twins are produced C. Siamese twins are produced D. the children produced are…
A. Fusion of sperm and egg nuclei B. Ejaculating of sperm into a female body C. Male gametes germinating in…
A. a reflex action B. an instinct C. a conditioned reflex D. a voluntary action Correct Answer: Option B B.…
A. Adrenal glands B. Salivary glands C. Gastric glands D. Parathyroid glands Correct Answer: Option A A. Adrenal glands
A. Sweating and vasoconstriction B. Panting and vasoconstriction C. Sweating and vasodilation D. Panting and vasodilation Correct Answer: Option C…
A. sunlight slows down water loss from the upper surface B. the lower surface of the leaf has more stomata…
A. Mycobacterium tuberculosis B. Bordetella pertusis C. Treponema pallidlum D. Clostridium tetani Correct Answer: Option C C. Treponema pallidlum
A. mesophyll cells only B. the root only C. the stomata and lenticel only D. all living cells Correct Answer:…
A. Cell sap B. Carbon dioxide C. oxygen D. water Correct Answer: Option D D. water
A. salty water B. humid air C. moist soil D. mouth cavities Correct Answer: Option A A. salty water