Which is the control variable? Title:Research Using Scientific MethodDescription:A. Research Using the Scientific MethodMany researches had made use of the scientific method to device a scientific query that will test the effect of different substances to the cell division by observing changes inthe organisms' physical attributes. In this activity, two substances, A and B, are tested on their effects on the cell division of onion plant. Onion bulbs were submerged andallowed to grow together with the test substances and the length and numberexperiment. Use the table and analyze before you answer the questions that follow.Here is a video that shows the procedure of growing onions using water. The experiment is based on this. Use only as a reference. https://www.youtube.com/watch?v=QroXnfmhVTggrowing roots and shoots were measured. A table is provided showing the results of theLength of roots (inmm)Number of root Length ofgreen leaf (inmm)Number ofgrowthsprouted green leafDistilledReplicate 1432waterReplicate 24.2Replicate 36.442Substance Replicate 1AReplicate 262Replicate 3633Substance Replicate 1212621Replicate 2Replicate 33232 6. Which is the control Variable?O A. Substance AO B. Growth of roots and shootsO C. Substance BO D. Distilled water7. Experimental variables include Substance A and B, length and speed of growth of shoot and roots.O A. TrueO B. False

For any scientific experiment the selection of different variables are very important. It describe…

6. Which is the control Variable? O A. Substance A B. Growth of roots and shoots O C. Substance B O D. Distilled water 7. Experimental variables include Substance A and B, length and speed of growth of shoot and roots. O A. True O B. False

6. Which is the control Variable? O A. Substance A B. Growth of roots and shoots O C. Substance B O D. Distilled water 7. Experimental variables include Substance A and B, length and speed of growth of shoot and roots. O A. True O B. False

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

Which is the control variable?

Title:Research Using Scientific Method
Description:
A. Research Using the Scientific Method
Many researches had made use of the scientific method to device a scientific query that will test the effect of different substances to the cell division by observing changes in
the organisms' physical attributes. In this activity, two substances, A and B, are tested on their effects on the cell division of onion plant. Onion bulbs were submerged and
allowed to grow together with the test substances and the length and number
experiment. Use the table and analyze before you answer the questions that follow.
Here is a video that shows the procedure of growing onions using water. The experiment is based on this. Use only as a reference. https://www.youtube.com/watch?
v=QroXnfmhVTg
growing roots and shoots were measured. A table is provided showing the results of the
Length of roots (in
mm)
Number of root Length of
green leaf (in
mm)
Number of
growth
sprouted green leaf
Distilled
Replicate 1
4
3
2
water
Replicate 2
4.
2
Replicate 3
6.
4
4
2
Substance Replicate 1
A
Replicate 2
6
2
Replicate 3
6
3
3
Substance Replicate 1
2
1
2
6
2
1
Replicate 2
Replicate 3
3
2
3
2

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