Biology Notes for Class 9 Chapter 9

Gonadal arteries supply blood to _________

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

Angina pectoris means_______

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

Average life span of platelets __________

Arteriosclerosis is a general term describing __________

In one heartbeat, diastole remains about second _________

Transpiration from plant surface takes place through__________

Which rate of transpiration doubles with every rise of temperature?

Which of the following prevents blood clotting?

Which one is an agranulocyte?

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

William Harvey was born in _________

Average human heart beat per minute ___________

A person with AB blood group can donated to______________

Which part of plant is responsible for transporting food?

In persons with blood group O ___________

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

As aorta passes down through thorax, it becomes ________

Antigens are present on the surface of ________

What is the actual universal donor blood group?

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

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

The blood vessels that carry blood away from heart _________

Heart attack may be caused by blood clot in ________

Transpiration rate depends upon ___________

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

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

Karl Landsteiner discovered the Rh-blood group system in _________

A person having blood group O can receive blood from ___________

Intercostal arteries supply blood to _________

The temperature range at which transpiration stops ___________

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

Right and left common iliac veins join to form__________

In humid, air the rate of transpiration is _____________

A molecule that can stimulate an immune response __________

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

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

Celiac artery and superior mesenteric artery supply blood to _________

The largest and strongest chamber in heart is_______

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

The blood cells which help in blood clotting _________

Average life span of erythrocytes __________

During atrial systole _________

The normal pH of Human blood is ___________

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

Who discovered the pathway of blood circulation?

Which blood Group contains Antigen A?

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

These are smallest blood vessels __________

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

Percentage of cells or cell like bodies in blood ___________

Percentage of water in plasma is ________

Which cell play role in body’s defence?

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

William Harvey died in _______

When does our heart takes rest?

The world celebrates the International Thalassemia Day on ________

Hepatic artery supplies blood to _________

In normal adults, the mass of heart is ________

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

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

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

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

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

World heart Day is held on ________

Universal blood recipients are __________

ABO blood group system was discovered by __________

Blood clotting protein ___________

The alternating contraction and relaxation of heart chambers _________

Atherosclerosis is commonly referred to as a ______

Uncontrolled production of defective white blood cells _________

The blood pressure in arteries is ______________

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

Percentage of plasma in blood is ____________

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

Renal arteries supply blood to___________

The pumping action of heart was discovered by _______

The third part of blood circulatory system __________

Which organ belongs to circulatory system?

A person having blood group B can donate blood to ____________

The most common symptom of myocardial infarction is _______

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

Universal blood donors are ______________

The roots and root hairs absorb water from soil by___________

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

The outermost layer of the root____________