Biology

A pollutant that is biodegradable is?

A. crude oil B. heavy metals C. cellophane D. sewage Correct Answer: Option D - heavy metals

5 years ago

The eye defect causes by the development of cloudy areas in the lenses is?

A. presbyopia B. glaucoma C. cataract D. astigmatism Correct Answer: Option C - cataract

5 years ago

Oestrogen is a hormone that is synthesized in the?

A. ovaries B. testes C. anterior pituitary D. adrenal cortex Correct Answer: Option A - ovaries

5 years ago

The absence of anti-diuretic hormone in humans results in?

A. decreasing dehydration B. drastic dehydration C. eliminating dehydration D. increasing dehydration Correct Answer: Option D - increasing dehydration Explanation…

5 years ago

The sensory cell that responds to dim light is referred to as the?

A. cone B. lens C. rod D. iris Correct Answer: Option C - rod

5 years ago

The most important plant hormone is?

A. cytokinin B. abscisic acid C. auxin D. gibberellin Correct Answer: Option C - auxin Explanation Auxins have a cardinal…

5 years ago

The gland that is found just below the hypothalamus is the?

A. parathyroid B. adrenal C. pituitary D. thyroid Correct Answer: Option C - pituitary

5 years ago

The male reproductive organ of a flower is the?

A. carpel B. stamen C. petal D. sepal Correct Answer: Option B - stamen

5 years ago

The transfer of pollen grains from the anther to a sigma is?

A. propagation B. placentation C. pollination D. fertilization Correct Answer: Option C - pollination

5 years ago

The chitin in the exoskeleton of many arthropods is strengthened by?

A. lids B. proteins C. calcium compounds D. organic salt Correct Answer: Option C - calcium compounds

5 years ago
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