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Biology final Exam

Authored by Milton Morgan

Biology

9th Grade

Biology final Exam
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In DNA, cytosine always pairs with

guanine

uracil

thymine

adenine

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vestigial structures show

how an ancestor may have lived

how old a fossil is

what the organism is not related to

usefulness in the organism that has it

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DNA has

a left handed twist

a single strand

genetic information stored in it

a straight chain structure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DNA has

a left handed twist

a single strand

genetic information stored in it

a straight chain structure

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DNA is made up of phosphates, sugars, and

proteins

lipids

bases

iodine

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A red flower bred to a white flower produces red and white spotted flowers. This is an example of

incomplete dominance

recessive genes

epistasis

co-dominance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Organisms that rely on other organisms for food are called

producers

autotrophs

consumers

saprophytes

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