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#Question id: 5611


Which ion play an essential role in pollen tube growth?

#Unit 5. Developmental Biology
  1. Sodium

  2. Potassium

  3. Calcium

  4. zinc


Answer:- Option(s): 3


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#Question id: 16787

#Unit 13. Methods in Biology

The following observations are arranged in ascending order. The median of the data is 15 find the value of x. 
8, 11, 12, x + 6, 17, 18, 23 

TLS Online TPP Program

#Question id: 16788

#Unit 13. Methods in Biology

If he arithmetic mean between a " 1 and b, then n is equal to 

TLS Online TPP Program

#Question id: 16789

#Unit 13. Methods in Biology

The median of number 50, 48, 47, 48.5, 50.5, 52, 48.8, 46 will be: 

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#Question id: 16790

#Unit 13. Methods in Biology

For the moderately symmetrical distribution of age of the employees, mean = 20 and mode = 25. The approximate value of the median is: 


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#Question id: 16791

#Unit 13. Methods in Biology

The mode of a distribution is 24 and the mean is 60. What is its median? 

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#Question id: 17200

#Unit 13. Methods in Biology

Consider the weight (in kg) of students in a class are as follows [70, 60, 80, 75, 55, 62, 92, 75, 55, 80]. What is the Mean or average weight of the class.........

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