Advertisements
Advertisements
प्रश्न
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
Assertion: RBC plays an important role in the transport of respiratory gases.
Reason: RBC does not have cell organelles and a nucleus.
पर्याय
If both A and R are true and R is the correct explanation of A.
If both A and R are true but R is not the correct explanation of A.
A is true but R is false.
Both A and R are false.
उत्तर
If both A and R are true and R is the correct explanation of A.
APPEARS IN
संबंधित प्रश्न
The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts it a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body.
(a) What is (i) tissue A (ii) pigment B, and (iii) colour C?
(b) Name (i) D (ii) E (iii) F, and (iv) G.
(c) Name one substance (other than oxygen) which is transported by tissue A in the human body.
(d) Which two components of tissue A are the cells without nucleus?
(e) Name any two organisms ( animals) which do not have liquid like A in their body.
State the Function: Vitamin K
What is the shape of RBC in human blood?
Why is the colour of the blood-red?
Mature RBC in mammals does not have cell organelles.
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
Assertion: Persons with AB blood group are called a universal recipient because they can receive blood from all groups.
Reason: Antibodies are absent in persons with AB blood group.
Single circulation i.e. blood flows through the heart only once during one cycle of passage through the body, is exhibited by
The blood leaving the tissues becomes richer in
What is the special feature present in a human heart which does not allow the mixing of blood when oxygen-rich and carbon dioxide-rich blood reaches the heart?
Least abundant leucocyte is ______.
