Biology Notes for Class 9 Chapter 9

Average human heart beat per minute ___________

Which one is an agranulocyte?

Average life span of erythrocytes __________

Celiac artery and superior mesenteric artery supply blood to _________

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

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

The most common symptom of myocardial infarction is _______

The blood pressure in arteries is ______________

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

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

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

Karl Landsteiner discovered the Rh-blood group system in _________

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

The roots and root hairs absorb water from soil by___________

In humid, air the rate of transpiration is _____________

William Harvey died in _______

Percentage of water in plasma is ________

The temperature range at which transpiration stops ___________

Who discovered the pathway of blood circulation?

A molecule that can stimulate an immune response __________

The third part of blood circulatory system __________

Angina pectoris means_______

The blood vessels that carry blood away from heart _________

Uncontrolled production of defective white blood cells _________

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

Hepatic artery supplies blood to _________

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

World heart Day is held on ________

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

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

When does our heart takes rest?

Average life span of platelets __________

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

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

Universal blood recipients are __________

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

Gonadal arteries supply blood to _________

Which organ belongs to circulatory system?

Which cell play role in body’s defence?

Renal arteries supply blood to___________

As aorta passes down through thorax, it becomes ________

The blood cells which help in blood clotting _________

Blood clotting protein ___________

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

Percentage of plasma in blood is ____________

Arteriosclerosis is a general term describing __________

In normal adults, the mass of heart is ________

A person having blood group B can donate blood to ____________

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

Which of the following prevents blood clotting?

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

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

Right and left common iliac veins join to form__________

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

In persons with blood group O ___________

Which part of plant is responsible for transporting food?

ABO blood group system was discovered by __________

A person with AB blood group can donated to______________

These are smallest blood vessels __________

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

William Harvey was born in _________

Transpiration rate depends upon ___________

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

The outermost layer of the root____________

Antigens are present on the surface of ________

Transpiration from plant surface takes place through__________

Heart attack may be caused by blood clot in ________

Which rate of transpiration doubles with every rise of temperature?

The normal pH of Human blood is ___________

Intercostal arteries supply blood to _________

The alternating contraction and relaxation of heart chambers _________

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

Atherosclerosis is commonly referred to as a ______

During atrial systole _________

Which blood Group contains Antigen A?

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

What is the actual universal donor blood group?

In one heartbeat, diastole remains about second _________

The pumping action of heart was discovered by _______

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

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

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

Percentage of cells or cell like bodies in blood ___________

The largest and strongest chamber in heart is_______

The world celebrates the International Thalassemia Day on ________

Universal blood donors are ______________

A person having blood group O can receive blood from ___________