Biology Notes Class-9 Chapter-9

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Biology Notes for Class 9 Chapter 9

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If you are looking for Biology Notes for Class 9 Chapter-8 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 9

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Biology Ch#09, 09th Class

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1 / 87

Intercostal arteries supply blood to _________

2 / 87

Which rate of transpiration doubles with every rise of temperature?

3 / 87

A molecule that can stimulate an immune response __________

4 / 87

Which of the following is a genetic problem due to mutations in the gene of hemoglobin?

5 / 87

Arteriosclerosis is a general term describing __________

6 / 87

The temperature range at which transpiration stops ___________

7 / 87

The blood pressure in arteries is ______________

8 / 87

The type of valve present at the base of pulmonary trunk _________

9 / 87

“Lubb-dubb” can be heard with the help of _________

10 / 87

Which one is an agranulocyte?

11 / 87

What is the actual universal donor blood group?

12 / 87

Percentage of water in plasma is ________

13 / 87

Hepatic artery supplies blood to _________

14 / 87

The normal pH of Human blood is ___________

15 / 87

The average volume of blood in adult human’s body is __________

16 / 87

The pumping action of heart was discovered by _______

17 / 87

Which blood Group contains Antigen A?

18 / 87

Heart attack may be caused by blood clot in ________

19 / 87

Transpiration from plant surface takes place through__________

20 / 87

As aorta passes down through thorax, it becomes ________

21 / 87

In persons with blood group O ___________

22 / 87

Celiac artery and superior mesenteric artery supply blood to _________

23 / 87

The opening between left atrium and left ventricle is guarded by a valve called _________

24 / 87

Which organ belongs to circulatory system?

25 / 87

The outermost layer of the root____________

26 / 87

Average human heart beat per minute ___________

27 / 87

Universal blood recipients are __________

28 / 87

Angina pectoris means_______

29 / 87

The roots and root hairs absorb water from soil by___________

30 / 87

Different veins from head, shoulders, and arms joined together and form ____

31 / 87

Which of the following blood vessels have valves to prevent back flow of blood?

32 / 87

The third part of blood circulatory system __________

33 / 87

If a thrombus dislodges and becomes free floating, it is called ________

34 / 87

The blood cells which do not contain pigments and are colourles ________

35 / 87

The largest and strongest chamber in heart is_______

36 / 87

Antigens are present on the surface of ________

37 / 87

These are smallest blood vessels __________

38 / 87

The blood cells which help in blood clotting _________

39 / 87

William Harvey was born in _________

40 / 87

The opening between right atrium and right ventricle is guarded by a valve called _______

41 / 87

Right and left common iliac veins join to form__________

42 / 87

Which of the following prevents blood clotting?

43 / 87

Which part of plant is responsible for transporting food?

44 / 87

ll veins coming from stomach, spleen, Pancreas and Intestine drain into ____

45 / 87

Percentage of cells or cell like bodies in blood ___________

46 / 87

Total number of blood group systems recognized by the International Society of Blood Transfusion ________

47 / 87

In one heartbeat, diastole remains about second _________

48 / 87

Gonadal arteries supply blood to _________

49 / 87

William Harvey died in _______

50 / 87

A person having blood group O can receive blood from ___________

51 / 87

The most common symptom of myocardial infarction is _______

52 / 87

When does our heart takes rest?

53 / 87

A person with AB blood group can donated to______________

54 / 87

The blood vessels that carry blood away from heart _________

55 / 87

According to the pressure-flow mechanism, the actual force behind the movement of food in phloem_______

56 / 87

In normal adults, the mass of heart is ________

57 / 87

Atherosclerosis is commonly referred to as a ______

58 / 87

Which cell play role in body’s defence?

59 / 87

World heart Day is held on ________

60 / 87

ABO blood group system was discovered by __________

61 / 87

Renal arteries supply blood to___________

62 / 87

Transpiration rate depends upon ___________

63 / 87

Number of thrombocytes (Platelets) in one cubic millimeter of blood is _______

64 / 87

When fibrinogen makes blood clot it separates from blood and the remainder is called_____

65 / 87

Average life span of erythrocytes __________

66 / 87

Which blood cells are the most numerous in healthy human blood?

67 / 87

During atrial systole _________

68 / 87

In which of the following blood vessels, the blood pressure is low?

69 / 87

The tissue layer that is common in all types of blood vessels _________

70 / 87

In most plants, food is transported in the form of __________

71 / 87

Uncontrolled production of defective white blood cells _________

72 / 87

Average Number of red blood cells in a cubic millimeter of blood ______

73 / 87

The alternating contraction and relaxation of heart chambers _________

74 / 87

Average life span of platelets __________

75 / 87

Each external iliac becomes femoral artery in upper thigh and gives branches to ______

76 / 87

Universal blood donors are ______________

77 / 87

Percentage of plasma in blood is ____________

78 / 87

Blood clotting protein ___________

79 / 87

Through which blood vessels the materials are exchanged between the blood and the surrounding tissues?

80 / 87

The world celebrates the International Thalassemia Day on ________

81 / 87

In humid, air the rate of transpiration is _____________

82 / 87

Roughly how much of water that enters a plant is lost via transpiration?

83 / 87

A person having blood group B can donate blood to ____________

84 / 87

Karl Landsteiner discovered the Rh-blood group system in _________

85 / 87

Who discovered the pathway of blood circulation?

86 / 87

In the embryonic and faetal life, red blood cells are formed in __________

87 / 87

The average number of leukocytes in one cubic millimeter of blood ______

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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.

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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