Ploidy

Ploidy

10th Grade

15 Qs

quiz-placeholder

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Ploidy

Ploidy

Assessment

Quiz

Science

10th Grade

Hard

NGSS
HS-LS1-4, HS-LS3-1

Standards-aligned

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

In human gametes, the haploid number of chromosomes is


(a)  

23

46

69

92

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What morphological difference was observed on the leaf surface of Arabidopsis plants with different ploidy levels?

Color changes in the leaves.

Development of thorns on the leaves.

Microscopic hairs (trichome) that get more branches when ploidy increases.

Increase in leaf thickness.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the ploidy level of the Arabidopsis plants that the researchers generated in the laboratory, besides the diploid ones?

Monoploid and triploid

Tetraploid and hexaploid

Tetraploid and octoploid

Hexaploid and decaploid

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When ploidy doubles in plant organs, how does the cell area change according to the researchers?

It doubles exactly.

It increases by ~1.7x.

It decreases proportionally.

It remains the same.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to the text, what is the proportional relationship in ploidy?

Ploidy has a proportional relationship with nuclear size and organ size.

Ploidy has a proportional relationship with cell number and nuclear size.

Ploidy has a proportional relationship with cell size and cell number.

Ploidy has a proportional relationship with organ size and cell number.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the current hypothesis about how plants sense their ploidy and regulate their size?

Plants use chemical signals from the environment to determine their size.

Plants have a fixed size that cannot be altered regardless of their ploidy.

Plants understand how big they are supposed to be, and they have mechanisms to regulate their size.

Plants rely on random mutations to determine their final size.

Tags

NGSS.HS-LS1-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is true about the ploidy levels in some crop plants?

Increasing the ploidy levels has no effect on the ultimate size of the plant.

Decreasing the ploidy levels is the only way to increase the size of the plant.

Scientists have created 32-ploid strawberries, which are smaller than the commercial octoploid strawberries.

Scientists have created 32-ploid strawberries, which are larger than the commercial octoploid strawberries.

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