Punjab 9th Class Biology Chapter 2 Solving a Biological Problem Mcqs Test Online

Punjab 9th Class Biology Chapter 2 Solving a Biological Problem 9th Class Punjab

Question 1 of 18

Biology

1. Which one of the following is a correct sequence in biological method?

Observations, Hypothesis, Deduction, Experimentation

Hypothesis, Observations, Deduction, Experimentation

Law, Theory, Deduction, Observations

Observations, Hypothesis, Law, Theory

Question 1 of 18

Question 2 of 18

2. A gardener sees a large snake nearby. He knows that generally snakes sting, so the gardener ran away. The gardener did which of the following?

Used observation

Constructed a theory

Tested a hypothesis

Used reasoning

Question 2 of 18

Question 3 of 18

3. At which point is a biologist most likely to use reasoning?

While taking observations

During data organization

None of these

During hypothesis formulation

Question 3 of 18

Question 4 of 18

4. The tentative statement that may prove to be the answer of a scientific problem:

Law

Hypothesis

Theory

Deduction

Question 4 of 18

Question 5 of 18

5. The logical consequence of the hypotheses:

Law

Ratio

Induction

Deduction

Question 5 of 18

Question 6 of 18

6. You are testing a hypothesis; “students learn more if a They drink tea before sitting for study”. Your 20 experimental students drink tea before study; you test their learning by giving questions. Your 20 students of the control group should have all experimental conditions identical to the experimental group EXCEPT that;

They should not sit for studying

They should take tea with more milk and sugar

They should not take tea before studying

They should take tea before as well as during study

Question 6 of 18

Question 7 of 18

7. The use of algorithms, computational and statistical techniques for the analysis of biological data.

Biological method

Bioinformatics

Biological Statistics

Computational Biology

Question 7 of 18

Question 8 of 18

8. 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 questions. Your 20 students of the control group should have all experimental conditions identical to the experimental group EXCEPT that;

None of these

They should take tea before as well as during study

They should take tea with more milk and sugar

They should not take tea before study

Question 8 of 18

Question 9 of 18

9. A common species of mosquito; bites mammals:

Cinchona

Plasmodium

Anopheles

Culex

Question 9 of 18

Question 10 of 18

10. A hypothesis must be testable to be scientifically valid. Being testable means that ______________.

Only a controlled experiment can indicate whether the hypothesis is correct or incorrect

The opposite of hypothesis is tested and proven wrong

The hypothesis is proven wrong

Some observation could prove the hypothesis incorrect

Question 10 of 18

Question 11 of 18

11. Which one of these is NOT a characteristic of a hypothesis?

Must make predictions

Must be testable

Must be correct

Must be consistent will all available data

Question 11 of 18

Question 12 of 18

12. A tree, the bark of which was used for the treatment of fevers:

Culex

Cinchona

Anopheles

Quinine

Question 12 of 18

Question 13 of 18

13. What would be the best experiment design for testing a hypothesis that bean plants require sodium?

Measure the amount of sodium in a few bean plant

Grow bean plants with and without sodium

Look for sodium in leaf tissues

Analyze root contents for sodium

Question 13 of 18

Question 14 of 18

14. A scientific theory has which of the following properties?

It does not need to be altered in the light of new evidence

It has been absolutely proven

It cannot be rejected

It agrees with available evidence

Question 14 of 18

Question 15 of 18

15. A species of mosquito; bites birds is called:

Cinchona

Quinine

Plasmodium

Culex

Question 15 of 18

Question 16 of 18

16. The medicines that kills plasmodium and so cures malaria:

Cinchona

Culex

Anopheles

Quinine

Question 16 of 18

Question 17 of 18

17. Unicellular organism that causes malaria in mammals and birds etc.

Cinchona

Culex

Anopheles

Plasmodium

Question 17 of 18

Question 18 of 18

18. Experimentation is only a step of the scientific process, but it is a very import because it always _________.

Gives scientists a chance to work in the laboratory

Ensures that hypotheses can be confirmed with certainty

Gives the biologist a correct result

Allows rejection of some alterative hypotheses

Question 18 of 18

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