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biology Grade 8

Total questions: 35

Worksheet time: 21mins

Name
Class
Date
1.

What is MITOSIS?

a)

It is a prosses that the cell divide.

b)

The cell die

c)

The cell produce bananas

d)

The process that a cell join in other cells

2.

What DNA stand for? (Write the full name of DNA) (All small letters and add a space between)

(a)  

3.

What is Histone Protein?

a)

basic proteins found in chromosomes

b)

basic proteins found in DNA

c)

basic proteins found in earth

d)

basic proteins found in hair

4.

What does chromosome mean?

a)

An X-liked structure that contains DNA.

b)

An X-liked structure that contains RNA.

c)

An Y-liked structure that contains DNA.

d)

An Y-liked structure that contains RNA.

5.

What is Mutation?

a)

permanent alterations in the DNA sequence.

b)

permanent alterations in the RNA sequence.

c)

permanent alterations in the chromosome sequence.

6.

What is the full name of RNA?(Same as last one)

(a)  

7.

What is Gene?

a)

 The basic unit of genetics

b)

 The basic unit of DNA

c)

 The basic unit of RNA

8.

What is metamorphosis?

a)

being bananas

b)

A transform that the organism is very different when it is an adult to when it is still young.

c)

A transform that the organism is very different when it is an adult to when it is in dirt.

9.

What is grafting?

a)

the act of joining two plants together.

b)

the act of joining two chromosome together.

c)

the act of joining two people together.

d)

the act of drawing a picture with two people

10.

What is cell cycle?

a)

A cycle that the cell grows and develop.

b)

A cycle that the human grows and develop.

c)

A cycle that the banana grows and develop.

11.

Please write the five stage of mitosis (start from Interphase)(Do like Aaaa, Bbbbb)

(a)  

12.

Which nucleotides are different in DNA and RNA?

DNA和RNA中哪些核苷酸不同?

a)

Thymine and uracil

b)

Thymine and Guanine

c)

Thymine and Adenine

d)

Adenine and uraci

13.

What is Transcription?什么是转录?

a)

A section of DNA that is used to make a RNA

b)

A section of RNA that is used to make a DNA

c)

A section of DNA that is used to make a protein

14.

Meiosis will have 2 daughter cells? (YES OR NO)

a)

Yes

b)

No

15.

What makes chromosome?什么是染色体

a)

DNA

b)

RNA

c)

蔡徐坤

d)

Rick Astley

16.

Cell will not be the same in daughter cell and parent cell (T/F)

a)

True

b)

False

17.

What is the name of the sugar present in DNA?(Capitalize it)

(a)  

18.

The parts of the subunits are called the

a)

Phosphate group

b)

Backbone

c)

Nitrogen base

d)

banana

19.

Where is the chromosome located?染色体在哪里?

a)

nucleus

b)

dirt

c)

backrooms

20.

What does DNA made up of?

a)

nucleotides

b)

nucleolus

c)

chromosome

21.

How many chromosome does human have?

a)

23

b)

4

c)

46

d)

48

22.

What is trisomy?什么是三体性?

a)

When there is three chromosomes in a rows

b)

When there is four chromosomes in a rows

c)

When there is five chromosomes in a rows

23.

What is purines?

a)

Two rings structure

b)

One rings structure

c)

Three rings structure

24.

What is the pyrimidines?

a)

One rings structure

b)

Two rings structure

c)

Three rings structure

25.

   How many hydrogen bonds are between A - T?

a)

1

b)

2

c)

3

d)

4

26.

How many hydrogen bonds are between C - G?

a)

1

b)

2

c)

3

d)

4

27.

Where does each chromosome in one pair come from? (multiple choice)

a)

50% your dad

b)

50% your mom

c)

100% your mom

d)

100% your dad

28.

What does the X and Y chromosome control?

(a)  

29.

What is External mutation?什么是外部突变?

a)

The mutation cause by radiation

b)

The mutation cause by banana distortion

c)

The mutation cause by car crash

30.

What is Translation?

a)

The section of RNA is use to make the protein

b)

The section of Gene is use to make the protein

c)

The section of DNA is use to make the protein

31.

What do the checkpoint monitor and regulate the progress of the cell cycle?

a)

Preventing the cell cycle progression at specific points

b)

Allow repair of DNA damage

c)

Checking if the replication is correct

d)

Checking that spines have formed and that the chromosomes properly aligned

32.

What is autosomes?

a)

Any chromosomes that is not a sex chromosome

b)

Any chromosomes that is a sex chromosome

33.

What is the name of A, T, G, C?

a)

nitrogen bases

b)

nucleolus

c)

Something I don't know

34.

Which is the type of Mutation?突变的类型是什么?

a)

Chromosome

b)

Gene

c)

DNA

d)

RNA

35.

Which is Diploid? (Mitosis or Meiosis)

(a)