Red blood cells remain separated from each other in the circulating blood by

RBC remain separate from each other in the circulating blood due to the repulsive force caused by

A

Constant movement of RBCs

B

Negative electrostatic charge imparted by sialic acid of RBC membrane

C

Attraction of vascular endothelium

D

Distraction of band 3 protein

E

Biconcave shape of RBC

RBCs remain separate from each other in the circulating blood due to the repulsive force caused by

A

Constant movement of RBCs

B

Negative electrostatic charge imparted by sialic acid of RBC membrane

C

Attraction of vascular endothelium

D

Distraction of band 3 protein

E

Biconcave-shape

There are 87 balls in a jar. Each ball is painted with at least one of two colors, red or green. It is observed that 2/7 of the balls that have red color also have green color, while 3/7 of the balls that have green color also have red color. what fraction of the balls in the jar has both red and green colors?

A

6/14

B

2/7

C

6/35

D

6/29

তড়িৎ রাসায়নিক কোষের emf = ?i.E0Anodee(ox)+E0cathode(Red)ii.E0cathode(Red)-E0Anodee(Red)iii.E0Anodee(ox)-E0cathode(Red)কোনটি সঠিক?

A

i ও ii

B

i ও iii

C

ii ও iii

D

i, ii ও iii

তড়িৎ রাসায়নিক কোষের emf = ?i. E° Anode(ox) + E°Cathode (Red) 11. E Cathode(Red) - E°Anode (Red) 111. E° Anode(ox) - E°Cathode (Red) নিচের কোনটি সঠিক?

A

i ও ii

B

i ও iii

C

ii ও iii

D

i, ii ও iii

In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?

A

15/25

B

31/50

C

11/25

D

9/50

If 4 students are seated on each bench, 3 benches remain vacant. But if 3 students are seated on each bench, 6 students remain standing .What is the number of students in that class?

A

30

B

55

C

60

D

45

It is an oxygen carrying protein of red colour concentrated in red blood cells.

A

Insulin

B

Haemoglobin

C

Gastrin

D

Actin

A jar contains 10 red marbles and 30 green marbles . How many red marbles must be added to the jar so that 60% of the marbles will be red ?

A

25

B

35

C

40

D

60

A jar contains only marbles of three colors : red, green and yellow. The red and green marbles are in the ratio of 2 : 5 and the yellow and red marbles are in ratio of 5 : 6. which of the following could be the total number of marbles?

A

52

B

64

C

100

D

None of these

Red blood cells remain separated from each other in the circulating blood by

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