EASY
Earn 100

Those blood vessels which carries oxygenated blood from the heart to different parts of the body is called (arteries/ veins).

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Important Questions on Tissues

MEDIUM
Science>Biology>Tissues>Animal Tissues
Persons with 'AB' blood group are called as "Universal recipients". This is due to:
EASY
Science>Biology>Tissues>Animal Tissues
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>Tissues>Animal Tissues
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
MEDIUM
Science>Biology>Tissues>Animal Tissues

The organisation which procures and supplies blood during an emergency.

EASY
Science>Biology>Tissues>Animal Tissues
A person with blood group AB has
EASY
Science>Biology>Tissues>Animal Tissues
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>Tissues>Animal Tissues

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>Tissues>Animal Tissues
Identify the correct combination showing the blood group with their respective antigens (sugar), antibody genotype and special character.
EASY
Science>Biology>Tissues>Animal Tissues
Person with blood group AB is considered as universal recipient because he has:
EASY
Science>Biology>Tissues>Animal Tissues
A sample of blood shows clumping with antiserum A but not with antiserum B. The blood group would be
EASY
Science>Biology>Tissues>Animal Tissues
How many types of blood groups are found in human beings? Which blood group is a universal donor?
EASY
Science>Biology>Tissues>Animal Tissues
Which one of the following is correct?
EASY
Science>Biology>Tissues>Animal Tissues
Explain how body will react to the situations described below:
A foreign antigen reaches one's blood.
EASY
Science>Biology>Tissues>Animal Tissues
Clotting of blood in blood banks can be prevented by the addition of
MEDIUM
Science>Biology>Tissues>Animal Tissues
How many arteries are there in an umbilical cord?
MEDIUM
Science>Biology>Tissues>Animal Tissues

Give appropriate biological or technical terms for the following:

The relaxation phase of the heart.

EASY
Science>Biology>Tissues>Animal Tissues

 Given below are certain groups of terms. In each group, the first pair indicates a relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Brain : Meninges :: Heart : _____.

EASY
Science>Biology>Tissues>Animal Tissues
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>Tissues>Animal Tissues
A person with blood group "A" can (i) donate blood to, and (ii) receive blood from:
HARD
Science>Biology>Tissues>Animal Tissues

Which of the following has no role in blood clotting?