9th Biology Chapter2 Solving a biological problem
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | Most basic step of biological method? | experimentation | obserbvation | hypothesis | deductions | 2 | Malaria fever spread due to: | Amoeba | Plasmodium | Paramecium | Virus | 3 | Tentative explanation of observations is: | Theory | Deduction | Hypothesis | Result | 4 | In which century America was discovered? | 16 | 17 | 18 | 19 | 5 | Plasmodium is transferred by: | Virus | Fly | Bacteria | Mosquito | 6 | Which one of the following is not the characteristic of good hypothesis? | Must be correct | Must have testable | Must be consistent with available data | Must have prediction | 7 | The hypothesis that stands the test of time are called: | Observations | Theories | Deductions | Experiments | 8 | Blood clotting in food canal of mosquito is prevented by: | Saliva | Lymph | Platelets | All of these | 9 | Word “mala” means: | Air | Bad | Poor | Both 1 & 2 | 10 | Proportion is expressed by putting a sign: | = | : : | both 1 & 2 | : | 11 | Effective drug for treating malaria: | Quinine | Panadol | Paracetamol | Aspirin | 12 | Summarizing data through the calculation of a mean value: | Physics | Economics | Mathematics | Statistics |