In the reading below, how did the scientist test their hypothesis?

Injected chickens with bacteria from blood of patients with beriberi

What hypothesis did Dr. Eijkman make?

Beriberi is caused by a thiamine deficiency.

Read the paragraph below. What did these scientists hypothesize about the cause of beriberi?

Caused by bacterial infection, resulting in heart problems

The steps in forming a hypothesis are

ask a question, do background research, construct a hypothesis

How would Dr. Eijkman best test his hypothesis that thiamine deficiency causes beriberi?

Feed 2 sets of chickens unpolished rice but add thiamine to 1 set's food.

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Biology Unit 1 Quiz Review - The Scientific Method

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Scientific method, 10th grade biology, introduction

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Questions 12

Answers

1
If I want to compare parts of a whole which graph should I use?
pie
line
all
bar
2
In the reading below, how did the scientist test their hypothesis?
Injected people with blood from patients with beriberi.
Injected chickens with bacteria from blood of patients without beriberi
Injected chickens with bacteria from blood of patients with beriberi
Injected chickens with insect venom from the suspected infectious insects
3
What hypothesis did Dr. Eijkman make?
Beriberi is caused by a bacteria.
Beriberi is caused by a genetic disease that affects chickens and people.
Beriberi is caused by a virus.
Beriberi is caused by a thiamine deficiency.
4
Read the paragraph below. What did these scientists hypothesize about the cause of beriberi?
Caused by a virus infection, resulting in heart problems
Caused by an insect bite, resulting in heart problems
Caused by anemia (low red blood cell count), resulting in heart problems
Caused by bacterial infection, resulting in heart problems
5
If I want to track changes over time which graph should I use?
pie
line
all
bar
6
If I want to compare things between different groups which graph should I use?
pie
line
bar
all
7
If we wanted to graph how much water plants need to grow, where would I put the amount of water?
y axis
x axis
8
The independent variable would be graphed on the
x axis
y axis
9
If we wanted to graph how much water plants need to grow, where would I put the type of plant?
x axis
y axis
10
The steps in forming a hypothesis are
ask a question, do background research, construct a hypothesis
do background research, construct a hypothesis, ask a question
ask a question, construct a hypothesis, do background research
construct a hypothesis, ask a question, do background research
11
How would Dr. Eijkman best test his hypothesis that thiamine deficiency causes beriberi?
Feed 2 sets of chickens unpolished rice but add thiamine to 1 set's food.
Feed chickens polished rice only.
Feed 2 sets of chickens polished and unpolishe rice mixed together.
Feed chickens unpolished rice only.
12
The dependent variable is graphed on the
y axis
x axis

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