A man with colour blindness will see red as

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

Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?

A

1 hour

B

2 hours

C

3 hours

D

4 hours

E

5 hours

Which cell disorder in our body is responsible for colour blindness?

A

WBC

B

Cone cell

C

Rod Cell

D

Neuron

Which of the following is not true about colour blindness?

A

Colour blind people learn to rely on shapes, patterns, and positions of signs and signals

B

Red-green colour blindness is the most common type of colour blindness

C

A colour blind person cannot see any colours

D

For some people, it might be difficult to recognize colours of traffic lights and signs

If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?

A

green

B

black

C

red

D

yellow

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

A

Insulin

B

Haemoglobin

C

Gastrin

D

Actin

The red colour of red soil is due to

A

Nitrogen

B

Humus

C

Iron

D

Copper

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 man with colour blindness will see red as

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