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| # | Question | Subject and topic | Difficulty |
|---|---|---|---|
| 1621 | Which property is lost when normal cells become cancerous? | Biology/Biological Studies/Biotechnology/Biochemistry AIDS and cancer |
Easy |
| 1622 | Which cells act as an "HIV factory" in an infected person? | Biology/Biological Studies/Biotechnology/Biochemistry AIDS and cancer |
Medium |
| 1623 | The spread of cancer cells from the original tumour to distant sites through the blood is called | Biology/Biological Studies/Biotechnology/Biochemistry AIDS and cancer |
Medium |
| 1624 | Why does an AIDS patient suffer from many infections, such as by Mycobacterium and Toxoplasma, that a healthy… | Biology/Biological Studies/Biotechnology/Biochemistry AIDS and cancer |
Hard |
| 1625 | Heroin is chemically | Biology/Biological Studies/Biotechnology/Biochemistry Drug and alcohol abuse |
Easy |
| 1626 | Cocaine is obtained from which plant? | Biology/Biological Studies/Biotechnology/Biochemistry Drug and alcohol abuse |
Easy |
| 1627 | Cocaine produces its stimulating effect by interfering with the transport of which neurotransmitter? | Biology/Biological Studies/Biotechnology/Biochemistry Drug and alcohol abuse |
Medium |
| 1628 | Smoking increases carbon monoxide in the blood. What is the direct effect of this? | Biology/Biological Studies/Biotechnology/Biochemistry Drug and alcohol abuse |
Medium |
| 1629 | A teenager who has been using a drug regularly feels anxiety, shakiness and nausea when he suddenly stops. Th… | Biology/Biological Studies/Biotechnology/Biochemistry Drug and alcohol abuse |
Hard |
| 1630 | Which group of microbes converts milk into curd? | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in household products |
Easy |
| 1631 | The large holes seen in Swiss cheese are produced by | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in household products |
Easy |
| 1632 | Apart from making curd, lactic acid bacteria improve the nutritional value of milk mainly by increasing its c… | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in household products |
Medium |
| 1633 | A student keeps bread dough with yeast in a warm place and it swells up. The swelling is mainly caused by | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in household products |
Medium |
| 1634 | A person adds a spoonful of boiled and cooled curd to warm milk, but the milk does not set. The most likely r… | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in household products |
Hard |
| 1635 | Which microbe is used for the commercial production of citric acid? | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in industry |
Easy |
| 1636 | Cyclosporin A, used to prevent rejection of transplanted organs, is obtained from | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in industry |
Easy |
| 1637 | A detergent company wants an enzyme that removes oily stains from clothes. Which microbial enzyme should it a… | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in industry |
Medium |
| 1638 | Statins produced by Monascus purpureus lower blood cholesterol because they | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in industry |
Medium |
| 1639 | A doctor gives a patient who has just suffered a heart attack an injection that dissolves the clot in a coron… | Biology/Biological Studies/Biotechnology/Biochemistry Microbes in industry |
Hard |
| 1640 | Which group of microbes is chiefly responsible for producing methane in a biogas plant? | Biology/Biological Studies/Biotechnology/Biochemistry Sewage treatment and biogas |
Easy |