Keystone Review

Keystone Review

10th Grade

15 Qs

quiz-placeholder

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Keystone Review

Keystone Review

Assessment

Quiz

Science

10th Grade

Hard

NGSS
HS-LS4-5, MS-LS2-4, HS-LS2-6

+6

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At a point in the cell cycle, chromosomes have aligned near the middle of a cell. Which sequence of events will the cell need to complete to produce two identical daughter cells?

 anaphase telophase cytokinesis

anaphase II telophase II cytokinesis II

prophase metaphase anaphase

metaphase II anaphase II telophase II

Tags

NGSS.HS-LS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which student correctly compared the outcomes of meiosis and mitosis?

Student 1

Student 2

Student 3

Student 4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which process helps to preserve the genetic information stored in DNA during DNA replication?

The replacement of nitrogen base thymine with uracil

  1. Enzymes quickly linking nitrogen bases with hydrogen bonds

  1. The synthesis of unique sugar and phosphate molecules for each nucleotide

  1. Nucleotides lining up along the template strand according to base pairing rules

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which mutation would most likely affect the organism’s phenotype?

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a keystone species in many marine ecosystems?

A) Sea otter

B) Great white shark

C) Blue whale

D) Clownfish

Tags

NGSS.HS-LS4-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What role do keystone species play in an ecosystem?

A) They are the most abundant species.

B) They have a disproportionate effect on their environment relative to their abundance.

C) They are the largest species in the ecosystem.

D) They are the primary producers.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a food web, the removal of a keystone species often leads to:

A) Increased biodiversity

B) No significant change

C) Collapse of the ecosystem

D) Introduction of new species

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

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