Biology Notes for Class 9 Chapter 9

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

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

The most common symptom of myocardial infarction is _______

Which of the following prevents blood clotting?

Which blood Group contains Antigen A?

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

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

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

In one heartbeat, diastole remains about second _________

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

Universal blood recipients are __________

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

The temperature range at which transpiration stops ___________

Average life span of erythrocytes __________

Right and left common iliac veins join to form__________

A person having blood group O can receive blood from ___________

Which one is an agranulocyte?

Which part of plant is responsible for transporting food?

A person having blood group B can donate blood to ____________

As aorta passes down through thorax, it becomes ________

The world celebrates the International Thalassemia Day on ________

Gonadal arteries supply blood to _________

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

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

The pumping action of heart was discovered by _______

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

Blood clotting protein ___________

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

The normal pH of Human blood is ___________

Percentage of cells or cell like bodies in blood ___________

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

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

ABO blood group system was discovered by __________

Heart attack may be caused by blood clot in ________

Antigens are present on the surface of ________

Intercostal arteries supply blood to _________

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

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

Renal arteries supply blood to___________

In humid, air the rate of transpiration is _____________

In normal adults, the mass of heart is ________

Uncontrolled production of defective white blood cells _________

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

The blood pressure in arteries is ______________

Celiac artery and superior mesenteric artery supply blood to _________

Which rate of transpiration doubles with every rise of temperature?

Hepatic artery supplies blood to _________

When does our heart takes rest?

Percentage of plasma in blood is ____________

Angina pectoris means_______

Universal blood donors are ______________

The outermost layer of the root____________

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

Karl Landsteiner discovered the Rh-blood group system in _________

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

William Harvey was born in _________

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

The roots and root hairs absorb water from soil by___________

Percentage of water in plasma is ________

During atrial systole _________

The blood vessels that carry blood away from heart _________

World heart Day is held on ________

Who discovered the pathway of blood circulation?

Transpiration rate depends upon ___________

Average life span of platelets __________

A molecule that can stimulate an immune response __________

Which cell play role in body’s defence?

These are smallest blood vessels __________

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

Which organ belongs to circulatory system?

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

Arteriosclerosis is a general term describing __________

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

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

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

The largest and strongest chamber in heart is_______

In persons with blood group O ___________

A person with AB blood group can donated to______________

What is the actual universal donor blood group?

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

Transpiration from plant surface takes place through__________

William Harvey died in _______

The alternating contraction and relaxation of heart chambers _________

Average human heart beat per minute ___________

The blood cells which help in blood clotting _________

The third part of blood circulatory system __________

Atherosclerosis is commonly referred to as a ______