Related Questions

Which of the following statement(s) is/are CORRECT for antigen activated effector T cells?
P. CD4+ cells make contact with macrophages and stimulate their microbicidal activity.
Q. CD4+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
R. CD8+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
S. CD8+ cells make contact with virus infected cells and kill them.
Gopal purchased a fan and a stool for a total Rs. 1500. He sold the stool at 40% profit and fan at 40% loss. If the selling price of fan and stool were the same, then what is the total loss percent incurred after selling both fan and stool?
Statements: 1. Sofa, park bench, arm chair, wing chair, deck chair, stool and wood chair are placed in a straight line facing north. 2. Arm chair is third to the left of wing chair which is second to the left of deck chair. 3. Deck chair is at extreme right end and stool is placed somewhere between arm chair and wing chair. 4. Third to the right of stool is wood chair. 5. Sofa is not at any end place. Conclusions: 1. Stool is at fifth place from the right end. 2. Sofa is at the middle place of the row. 3. Wing chair is at fifth place from the left end.
 With reference to the RBC, which of the following statements is/are correct? Before birth RBC are formed in the liver and spleen. After birth RBCs are formed in the bone marrow. Persons who live at high altitudes have more RBC than those who live in plains.
In the question two statements are given, followed by two conclusions, I and II. Read all the conclusions and then decide which of the given conclusions logically follow/s from the given statements. Statements: All white blood cells are red blood cells. Some blood cells are red blood cells. Conclusions: I. All blood cells are red blood cells, is a possibility. II. Some red blood cells are not blood cells.
The present red blood cells (RBC) count of a person is 54000 and it increases at a rate of 5% per day. What would be the RBC count after two days?
In a certain code language, bed is called stool, stool is called peacock, peacock is called sandwich, sandwich is called spoon and spoon is called rope. In this language, which of the following is a bird?
By selling a stool for Rs. 72 a carpenter face a loss of 10%. How much percentage would he gain or lose by selling the stool for Rs. 96?
Which of the following statements are correct regarding common differences between plant and animal cells?
1. Plant cells have cellulose cell wall, while animal cells lack it.
2. Plant cells lack plasma membrane, while animal cells have it.
3. Mature plant cell have a large vacuole, while animal cells have numerous small vacuoles.
In which organ RBC are selectively destroyed/ recycled by macrophages?