1. Which one of the following is correct sequence in biological method?
(a) Observations, Hypothesis, Law, Theory
(b) Hypothesis, Observations, Deduction, Experimentation
(c) Observations, Hypothesis, Deduction, Experimentation ✅
(d) Law, Theory, Deduction, Observations
2. Which one of these is not a characteristic of a hypothesis?
(a) Must be consistent with all available data
(b) Must be testable ✅
(c) Must be correct
(d) Must make predictions
3. At which point, is a biologist most likely to use reasoning?
(a) While taking observations
(b) During hypothesis formulation ✅
(c) During data organization
(d) None of the above.
4. A hypothesis must be testable to be scientifically valid. Being testable means that:
(a) Some observations could prove that hypothesis is incorrect
(b) Only a controlled experiment can indicate whether the hypothesis is correct or incorrect ✅
(c) The hypothesis is proven wrong
(d) The opposite of hypothesis is tested and proven wrong.
5. What would be the best experimental design for testing a hypothesis that bean plants require sodium?
(a) Measure the amount of sodium in a few bean plants
(b) Grow bean plants with and without sodium ✅
(c) Look for sodium in leaf tissues
(d) Analyze root contents for sodium
6. A gardener sees a large snake nearby. He knows generally snakes sting, so the gardener ran away. The gardener did which of the following?
(a) Used reasoning ✅
(b) Used observation
(c) Constructed a theory
(d) Tested a hypothesis
7. A scientific theory has which of the following properties?
(a) It agrees with the available evidence
(b) It cannot be rejected
(c) It has been absolutely proven ✅
(d) It does not need to be altered in the light of new evidences
8. Experimentation is only a step of the scientific process but it is very important step because it always:
(a) Gives the biologist a correct result
(b) Allows rejection alternative hypothesis of some
(c) Ensures that hypothesis can be confirmed with certainty ✅
(d) Give scientists a chance to work in the laboratory
9. You are testing a hypothesis; "students learn more if they drink tea before sitting for study". Your 20 experimental students drink tea before study;
You test their learning by giving question. Your 20 students of the control group should have all experimental conditions identical to the experimental group EXCEPT that;
(a) They should take tea
(b) They should take tea before as well as during study
(c) They should not take tea before studying ✅
(d) They should not sit for studying
10. When A.F.A King did work on Malaria?
(a) 1880
(b)1881
(c) 1882
(d) 1883 ✅
11. The scientist who observed Plasmodium first time in human blood:
(a) Aristotle
(b) Bu-Ali-Sina
(c) Laveran ✅
(d) None of these
12. Which mosquito spread malaria in birds.
(a) Anopheles
(b) Culex ✅
(c) Anopheles & Culex
(d) None of these
13. Five senses are involved in:
(a) Hypothesis
(b) Observations ✅
(c) Deduction
(d) Experiment
14. Logical consequence of hypothesis is:
(a) Experiment
(b) Deduction ✅
(c) Observation
(d) theory
15. Which is the quantitative observation
(a) colour
(b) smell
(c) beauty
(d) height ✅
16. Which of the followings is the symptom of malaria?
(a) Chills
(b) Fevers
(c) Recurring attacks
(d) All ✅
17. Quinine is obtained from:
(a) Quina - quina
(b) Deodar
(c) Cinchona ✅
(d) Shisham
18. Bark of quina from: quina was imported
(a) Europe
(b) America ✅
(c) Spain
(d) India
19. Plasmodium was first seen by:
(a) Ross
(b) A.F.A.King
(c) Laveran ✅
(d) None
20. Plasmodium was named by:
(a) Ross
(b) A.F.A.King
(c) Laveran ✅
(d) None
