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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

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Question 1 of 18

Biology

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

Look for sodium in leaf tissues

Measure the amount of sodium in a few bean plant

Analyze root contents for sodium

Grow bean plants with and without sodium

Question 1 of 18

Question 2 of 18

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

Culex

Cinchona

Quinine

Plasmodium

Question 2 of 18

Question 3 of 18

3. The logical consequence of the hypotheses:

Induction

Deduction

Ratio

Law

Question 3 of 18

Question 4 of 18

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

Must be testable

Must be consistent will all available data

Must be correct

Must make predictions

Question 4 of 18

Question 5 of 18

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

Culex

Quinine

Anopheles

Cinchona

Question 5 of 18

Question 6 of 18

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

Biological Statistics

Bioinformatics

Biological method

Computational Biology

Question 6 of 18

Question 7 of 18

7. 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?

Tested a hypothesis

Used observation

Constructed a theory

Used reasoning

Question 7 of 18

Question 8 of 18

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

Culex

Quinine

Cinchona

Anopheles

Question 8 of 18

Question 9 of 18

9. A common species of mosquito; bites mammals:

Cinchona

Plasmodium

Culex

Anopheles

Question 9 of 18

Question 10 of 18

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

Law

Theory

Deduction

Hypothesis

Question 10 of 18

Question 11 of 18

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

Hypothesis, Observations, Deduction, Experimentation

Observations, Hypothesis, Deduction, Experimentation

Law, Theory, Deduction, Observations

Observations, Hypothesis, Law, Theory

Question 11 of 18

Question 12 of 18

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

It has been absolutely proven

It agrees with available evidence

It cannot be rejected

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

Question 12 of 18

Question 13 of 18

13. 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 hypothesis is proven wrong

Some observation could prove the hypothesis incorrect

The opposite of hypothesis is tested and proven wrong

Question 13 of 18

Question 14 of 18

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

During data organization

While taking observations

During hypothesis formulation

None of these

Question 14 of 18

Question 15 of 18

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

Cinchona

Anopheles

Culex

Plasmodium

Question 15 of 18

Question 16 of 18

16. 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 16 of 18

Question 17 of 18

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

Allows rejection of some alterative hypotheses

Gives the biologist a correct result

Ensures that hypotheses can be confirmed with certainty

Gives scientists a chance to work in the laboratory

Question 17 of 18

Question 18 of 18

18. 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 18 of 18

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Test By Topics	9th Class Biology

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