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Life Science Test

Authored by Myesha James

Science

8th Grade

NGSS covered

Used 7+ times

Life Science Test
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39 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Examine the Punnett square showing the inheritance of flower color in plants.


If (R) represents the dominant color red, and (r) represents the recessive color white, what is the possibility that the two plants will have white offspring?

0%

50%

75%

100%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In chickens, rose comb is dominant over single comb. If a homozygous rose comb male is crossed with a heterozygous female, what percentage of the offspring would likely have a rose comb?

0%

25%

75%

100%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which processes are responsible for cell growth and reproduction?

mitosis and meiosis

mitosis and osmosis

meiosis and photosynthesis

osmosis and photosynthesis

Tags

NGSS.MS-LS3-2

NGSS.MS-LS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the genotype for a trait BB represent?

Each letter represents the dominant allele inherited from each parent.

Both letters represent the dominant allele inherited from the mother.

Both letters represent the recessive allele inherited from the father.

Each letter represents the recessive allele inherited from each parent.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?

25%
1%
10%
0%

Tags

NGSS.HS-LS3-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? 

0 in 4
1 in 4
2 in 4
4 in 4

Tags

NGSS.HS-LS3-3

NGSS.HS-LS3-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What would most likely happen if an ecosystem no longer received sunlight?

The number of herbivores would increase
The number of plants would increase
all organisms would adapt
All living organisms would eventually die

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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