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Biology Notes for Class 9 Chapter 2

Solving a Biological Problem:

Biology Notes for Class 9

If you are looking for Biology Notes for Class 9 Chapter-2 then you are on right place, and have found the your required result. on this post you can find the all type Solution for Biology class 9 problems. so read this post and take benefits for your studies and share with your Friends.

Here are important MCQs for Biology Notes for Class 9, chapter 2

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Biology Ch#02, 09th Class

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1 / 62

Galileo performed his experiments in__________

2 / 62

Quinine is obtained from__________ bark.

3 / 62

Mosquito that transmits dengue fever is called __________

4 / 62

The information such as names, dates or values made from observations and experimentation is called ___________

5 / 62

Summarizing data through the calculation of a mean value is studied in ____________

6 / 62

In “Malaria”, the word “mala” means____________

7 / 62

Computational and statistical techniques for the analysis of biological data are studied in__________

8 / 62

The malaria is spread in birds by _________

9 / 62

Who started to know the reason of malaria?

10 / 62

Biological method has been playing an important role for the last___________

11 / 62

In which year, A. F. A. King listed his 20 observations about malaria?

12 / 62

Malaria in sparrows spread by __________

13 / 62

The word Malaria is derived from ______ language.

14 / 62

“If Plasmodium is the cause of malaria, then all the person ill with malaria should have plasmodium in their blood”. This statement is a called ____________

15 / 62

When was America discovered?

16 / 62

Physicians were familiar with malaria ___________years ago.

17 / 62

Malaria is caused by ____________

18 / 62

The problem related to living organisms______________

19 / 62

Quantitative observations are considered ___________

20 / 62

A Hypothesis that is often tested and never rejected is called__________

21 / 62

In biological method the next step of hypothesis is called__________

22 / 62

Who is responsible for spread of malaria fever?

23 / 62

Bark of Quina- Quina was used for treating_______

24 / 62

Proportion is expressed by putting a sign _____________

25 / 62

The bark of ________ tree was very suitable for curing malaria.

26 / 62

How many observations were presented by A.F.A king about malaria?

27 / 62

Plasmodium is transferred by___________

28 / 62

Which disease has killed more people than any other disease of world?

29 / 62

Most effective remedy against malaria until 20th century is ___________

30 / 62

Which one of the following in not the characteristic of a good hypothesis?

31 / 62

"Mosquitoes transmit plasmodium and are involved in spread of malaria" This hypothesis was suggested by _____

32 / 62

Blood clotting in food canal of mosquito is prevented by___________

33 / 62

Mark the incorrect observation about malaria ___________

34 / 62

Who discovered Plasmodium?

35 / 62

The hypothesis that stands the test of time are called ___________

36 / 62

Anopheles mosquito causes a disease___________

37 / 62

A theory is supported by a great deal of __________

38 / 62

Plasmodium was discovered in____________

39 / 62

The scientific method in which biological problems are solved is called _________

40 / 62

“If I examine cells from a blade of grass, then each one will have a nucleus”. This statement is a _______

41 / 62

__________is most basic step of biological method.

42 / 62

Female Mosquitoes used by Ross in his experiments ___________

43 / 62

Biological Method comprises of ______

44 / 62

A relation between two numbers in terms of quotient is called __________

45 / 62

The bark of cinchona contains a chemical, named ___________

46 / 62

Female mosquitoes need the blood of ________ for the maturation of their eggs.

47 / 62

Weight of one liter of ethanol____________

48 / 62

An irrefutable theory is called _____________

49 / 62

Ronald Ross performed his experiments in ______________

50 / 62

Scientists that use scientific method to make new theories are called _________

51 / 62

Ross found mosquitoes multiplying in ______

52 / 62

In dengue fever, which cells are shortening?

53 / 62

Laveran began to search for cause of malaria in __________

54 / 62

The tentative explanation of observation is called __________

55 / 62

A proposition that might be true is called ___________

56 / 62

Logical consequence drawn from hypothesis is called __________

57 / 62

Era of Biological method in scientific research is __________

58 / 62

Ronald Ross belonged to _____________

59 / 62

Quinine is an effective remedy for ___________

60 / 62

Weight of one liter of water is ___________

61 / 62

The freezing point of water is ___________

62 / 62

French Army Physician who worked on malaria in 1878 is __________

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Biology Notes, Short Long MCQs for Class 9th

Biology, a new subject for 9th Class, having a lot of concepts, starting from a single definition of the important particle of our universe which is called ‘cell’. In the 8th grade usually, we have to study only one book of science that combines Biology, physics, and Chemistry. But as, we got into 9th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 9th Class feeling difficult to understand the concept of Biology. Then, these Biology notes for class 9 are enough. by Understanding Biology Notes for 9th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study Biology for your whole life that’s great, our country also need chemists & adamjee notes class 9 Biology 2022, adamjee notes for class 9 Biology, adamjee notes for class 9, adamjee notes.

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Chapter wise PDF Notes / Problems / Solution of Biology 9th Class

                     Chapter-01 – Introduction to Biology

                     Chapter-02 – Solving a Biological Problem

                     Chapter-03 – Biodiversity

                     Chapter-04 – Cells And Tissues

                     Chapter-05 – Cell Cycle

                     Chapter-06 – Enzymes

                     Chapter-07 – Bioenergetics 

                     Chapter-08 – Nutrition

                     Chapter-09 – Transport

                     Pairing Scheme for 2022 – Biology 9th Class

 

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