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Plants are killed in winter by frost
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| A. |
because of desiccation and mechanical damage to the tissues |
| B. |
because no photosynthesis takes place at such low temperature |
| C. |
because respiration ceases at such low temperature |
| D. |
because there is no transpiration
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One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
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| A. |
Having waited a day, it is too late to take an antibiotic |
| B. |
You need an antiseptic, not an antibiotic |
| C. |
You need to be vaccinated instead of taking an antibiotic |
| D. |
You are infected by a virus
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Which of the following hormones would target the kidneys?
A.)TSH
B.) HSH
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Our major foods, fibres, spices, fruits and beverage crops are
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| A. |
flowering plants |
| B. |
gymnosperms plants |
| C. |
pteridophytes |
| D. |
bryophytes
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