Biology
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?

You are infected by a virus
You need an antiseptic, not an antibiotic
You need to be vaccinated instead of taking an antibiotic
Having waited a day, it is too late to take an antibiotic

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Biology
Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with

only angiosperms
angiosperms and all gymnosperms except conifers
all gymnosperms, except conifers
only conifers

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