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Arrows A, B, C and D show the flow of blood in the human body.

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Which arrow represent:

Oxygen-rich blood?

Carbon dioxide rich-blood?

Important Questions on Transportation in Animals and Plants

MEDIUM
Science>Biology>Transportation in Animals and Plants>Circulatory System
Persons with 'AB' blood group are called as "Universal recipients". This is due to:
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
When a blood vessel is injured a number of physiological mechanisms are activated that promote hemostasis. Identify the correct group from the following:
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
MEDIUM
Science>Biology>Transportation in Animals and Plants>Circulatory System

The organisation which procures and supplies blood during an emergency.

EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
A person with blood group AB has
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
A certain road accident patient with unknown blood group needs immediate blood transfusion. His own doctor friend at once offers his blood. What was the blood group of the donor?
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System

Study the following.
A) Blood coagulation is also called haemolysis.
B) Blood clotting is a change in plasma.
C) Serum does not contain clotting factors like prothrombin and fibrinogen.
D) Proconvertin is involved in extrinsic pathway.

Select the incorrect statement.

MEDIUM
Science>Biology>Transportation in Animals and Plants>Circulatory System
Identify the correct combination showing the blood group with their respective antigens (sugar), antibody genotype and special character.
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
Person with blood group AB is considered as universal recipient because he has:
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
A sample of blood shows clumping with antiserum A but not with antiserum B. The blood group would be
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
How many types of blood groups are found in human beings? Which blood group is a universal donor?
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
Which one of the following is correct?
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
Explain how body will react to the situations described below:
A foreign antigen reaches one's blood.
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
Clotting of blood in blood banks can be prevented by the addition of
MEDIUM
Science>Biology>Transportation in Animals and Plants>Circulatory System
How many arteries are there in an umbilical cord?
EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
Choose the incorrect statements among the following.
A) The female sex organs of Angiosperms are called strobilus.
B) The fusion of motile male gamete with non-motile egg is called zooidogamy.
C) Some algae are in association with animals.
D) Archegonium is flank shaped male sex organ with single cell.
MEDIUM
Science>Biology>Transportation in Animals and Plants>Circulatory System

Give appropriate biological or technical terms for the following:

The relaxation phase of the heart.

EASY
Science>Biology>Transportation in Animals and Plants>Circulatory System
If the RBCs of a blood sample are agglutinated when mixed with anti B antibodies, then the blood group of the blood sample is
MEDIUM
Science>Biology>Transportation in Animals and Plants>Circulatory System
A person with blood group "A" can (i) donate blood to, and (ii) receive blood from:
HARD
Science>Biology>Transportation in Animals and Plants>Circulatory System

Which of the following has no role in blood clotting?