Biology MCQ Question and Answer
Biology MCQ Question and Answer
171. 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?
- Having waited a day, it is too late to take an antibiotic
- You need an antiseptic, not an antibiotic
- You need to be vaccinated instead of taking an antibiotic
- You are infected by a virus
172. Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
- Order
- Subspecies
- Class
- Genus
173. Monotremes are unique mammals because they
- posses hair
- give birth to live young
- secret milk in a pouch
- lay eggs
174. Monocot root differs from dicot root in having
- open vascular bundles
- scattered vascular bundles
- well developed pith
- radially arranged vascular bundles
175. Oxygen in our blood is transported by a protein named
- haemoglobin
- keratin
- collagen
- myoglobin
176. Neurospora is used as genetic material because
- it has short life cycle of 10 days
- the product of single meiosis can be easily analysed
- meiotic products are linearly arranged in the form of ordered tetrads
- is a diploid fungus
177. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
- Exact concentration of solution is not given
- Character of semi permeable membrane is not given
- The flow of solution is not possible through semi permeable membrane
- All are incorrect
180. Neurospora is used as genetic material because
- it has short life cycle of 10 days
- the product of single meiosis can be easily analysed
- meiotic products are linearly arranged in the form of ordered tetrads
- is a diploid fungus