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S3 Biology Jan

Total questions: 72

Worksheet time: 40mins

Name
Class
Date
1.

Cells are diploid, except gametes, which are (a)   .

2.

Select all of the male gametes

a)

pollen

b)

ovule

c)

zygote

d)

seed

e)

sperm

3.

Select all of the female gametes

a)

pollen

b)

ovule

c)

zygote

d)

egg

e)

sperm

4.

sperm is produced in the

a)

ovary

b)

sperm duct

c)

testis

d)

oviduct

5.

eggs are produced in the

a)

ovary

b)

sperm duct

c)

testis

d)

oviduct

6.

fertilisation occurs in the

a)

ovary

b)

sperm duct

c)

testis

d)

oviduct

7.

a zygote is a...

a)

a fertilised sperm cell

b)

a fertilised egg cell

c)

place in mexico

d)

the joining of a male and female gamete

8.

Fertilisation is the fusion of the (a)   of the two haploid gametes to produce a diploid zygote,

9.

(a)   is the fusion of the nuclei of the two haploid gametes to produce a diploid zygote,

10.

Type of gamete and chromosome complement in cells found in anther

a)

A - female and diploid

b)

B - male and diploid

c)

C - female and haploid

d)

D - male and haploid

11.

Where are the male Gametes found

a)

A

b)

B

c)

C

d)

D

12.

Where are the female Gametes found

a)

A

b)

B

c)

C

d)

D

13.

Human eggs are usually fertilized in the

a)

Uterus

b)

Ovary

c)

Oviduct

d)

Cervix

14.

What is A pointing to?

a)

Penis

b)

Scrotum

c)

Testis

d)

Sperm tube

e)

Urethra

15.

A ___________ is formed when fertilization occurs.

a)

embryo

b)

zygote

c)

fetus

d)

sperm

16.

Select all of the cells involved in sexual reproduction in plants

a)

Ovule

b)

egg

c)

pollen

d)

sperm

e)

zygote

17.

Select the word equation for fertilisation in plants

a)

Egg + ovule ---> Zygote

b)

male zygote + female zygote -> embryo

c)

male gamete + female gamete -> Egg

d)

ovule + pollen --> zygote

e)

egg + pollen --> zygote

18.

A cell divides every 10 mins. How many cells would you have after 30min?

a)

2

b)

4

c)

6

d)

8

19.

Why do cells divide?

a)

For growth and damage

b)

To look symetrical

c)

For growth and repair

d)

To decrease the number of cell in the body

20.

A cell divides every 10 mins. How many cells would you have after 1 hours?

a)

16

b)

32

c)

64

d)

128

21.

A cell divides every 30 mins. How long would it take for one cell to divide into 8 cells?

a)

30

b)

60

c)

90

d)

120

22.

A cell divides every 30 mins. How long would it take for one cell to divide into 34 cells?

a)

one

b)

two

c)

2hr 30min

d)

three

23.

Rope-like structures called ? attach themselves to the centromere region of the sister chromatid pairs.

a)

Spindle Fibres

b)

Poles

c)

Chromatids

d)

Equator

24.

The centre of the cell where chromatids line up is called...

a)

Nucleus

b)

Cell Poles

c)

Equator

d)

Cytoplasm

25.

What term is used to describe the differences that exist between members of the same species?

a)

Chromosomes

b)

Inheritance

c)

Variation

d)

Fertilisation

26.

Which form of variation can be measured from a minimum to a maxiumum range of values?

a)

Discrete Variation

b)

Continuous Variation

c)

polygenic

d)

single gene

27.

Which form of variation can be classified into distinct groups?

a)

Discrete Variation

b)

Continuous Variation

28.

Which of the following is an example of discrete variation?

a)

Length of index finger

b)

Eye colour

c)

Height

d)

Foot size

29.

Which of the following is an example of continuous variation?

a)

Ear wax type

b)

Hair colour

c)

Hand span

d)

Eye colour

30.

What term is given to a different form of a gene?

a)

Chromosome

b)

Chromatid

c)

DNA

d)

Allele

31.

Which of the following is an example of a dominant allele?

a)

A

b)

a

32.

What term is used to describe a genotype with two of the same alleles?

a)

Homozygous

b)

Heterozygous

33.

What would the genotype Tt be termed as?

a)

Heterozygous

b)

Homozygous Dominant

c)

Homozygous Recessive

34.

What would the genotype tt be termed as?

a)

Heterozygous

b)

Homozygous Dominant

c)

Homozygous Recessive

35.

What is the definition of a genotype?

a)

An individuals alleles for a particular characteristic

b)

An individuals physical appearance

c)

The differences between members of the same species

d)

Variation that can be measured

36.

What is the definition of a phenotype?

a)

An individuals alleles for a particular characteristic

b)

An individuals physical appearance

c)

The differences between members of the same species

d)

Variation that can be measured

37.

Which type of variation can be organised into distinct groups

a)

discrete

b)

Continuous

c)

Polygenic

d)

Single gene

38.

What phase of mitosis is shown in the picture?

a)

The DNA packages into chromosomes

b)

The spindle fibres pull the chromosomes to the poles

c)

The cytoplasm divides

d)

The chromosomes line up along the equator

39.

What phase of mitosis is shown in the picture?

a)

The DNA packages into chromosomes

b)

The chromosomes are pulled towards the poles of the cell

c)

The cytoplasm divides

d)

The chromosomes line up along the equator

40.

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

a)

0 %

b)

25%

c)

50%

d)

75%

41.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
42.

Black fur (B) is dominant and White fur is recessive (b). select the possible genotypes of a white fur offspring?

a)

BB

b)

BB or Bb

c)

Bb only

d)

bb

43.

Black fur (B) is dominant and White fur is recessive (b). What are the genotypes of the parents of a white fur offspring?

a)

Both BB

b)

1 BB and 1 Bb

c)

Both Bb

d)

Both bb

44.

Yeast is used to make

a)

wine/beer

b)

cheese

c)

Yoghurt

d)

Bread

45.

Bacteria are used to make

a)

wine/beer

b)

cheese

c)

Yoghurt

d)

Bread

46.

Probiotic yoghurt contains

a)

bacteria

b)

yeast

c)

fungal cells

d)

enzymes

47.

When there is no oxygen present yeast cells will break glucose down into

a)

lactic acid

b)

oxygen

c)

carbon dioxide

d)

ethanol

48.

the process of yeast cells breaking down glucose when no oxygen present is called

a)

lactic acid

b)

respiration

c)

fermentation

d)

aerobic respiration

49.

What controls reactions in Respiration ?

a)

Antibodies

b)

Hormones

c)

Enzymes

d)

Receptor cells

50.

Which type of respiration happens if oxygen is present ?

a)

aerobic respiration

b)

Fermentation

c)

ATP

d)

photosynthesis

51.

A (a)   limiting factor is something which prevents the reaction being at its maximum

52.

Temperature can be a limiting factor when it is below the optimum for the (a)   which speed up the reaction

53.

Name the limiting factor which reduces the rate of respiration by affecting the enzymes involved

(a)  

54.

The (a)   of Oxygen can limit the rate of respiration

55.

if decrease temperature the rate respiration

a)

stays the same

b)

increases

c)

decreases

56.

A thread like structure that forms in the nucleus before cell division

a)

DNA

b)

Gene

c)

Chromosome

d)

Chromatid

57.

Sections of genetic code which provide the instructions for making a protein

a)

DNA

b)

Gene

c)

Chromosome

d)

Chromatid

58.

These mice have had a fluorescence gene from jellyfish added so they glow in dak. These mice are now

a)

mutanats

b)

genetically modified

c)

genetical engineering

d)

super smart and plotting to take over the world

59.

What is removed from a human chromosome during genetic engineering?

a)

DNA

b)

Bases

c)

Plasmid

d)

Gene

60.

Select all the proteins which can be made using genetic engineering

a)

wine

b)

insulin

c)

human growth hormone

d)

factor VIII

61.

Important Proteins - Body needs a working gene for insulin

a)

to cause blood to clot if cut yourself

b)

to control blood sugar levels

c)

to grow properly during development

d)

to speed up chemical reactions

62.

what is the name of the structure found in bacterial cells into which genes can be inserted.

a)

ribosome

b)

plasmid

c)

mitochondrion

d)

nucleus

63.

What cell organelle is removed from a bacterial cell during Genetic Engineering?

a)

Nucleus

b)

Plasmid

c)

Chloroplast

d)

Ribosome

64.

What takes place after the gene is extracted and the plasmid is cut open?

a)

The plasmid is inserted into the bacterial cell

b)

The gene is extracted from the chromosome

c)

The gene is inserted into the plasmid

d)

The bacterial cell multiplies

65.
a)

Structure X is a Gene

b)

Structure X is a Plasmid

c)

Structure X is a Chromosome

d)

Structure X is a Bacterial Cell

66.

In genetic engineering, what is removed from the bacteria cell?

a)

Nucleus

b)

Gene

c)

Protein

d)

chromosome

e)

plasmid

67.

Enzymes can be described as

a)

Specific

b)

Non-specific

68.

Enzymes

a)

Slow down a chemical reaction

b)

Speed up a chemical reaction

69.

An enzyme binds with its

a)

Product

b)

Substrate

c)

Active Site

d)

Enzyme

70.

Which statement is FALSE (ie you should know the other 3)

a)

Enzymes are found in living cells

b)

They are specific

c)

Are changed by the reaction

d)

build-up or break-down molecules

71.

As an enzyme only joins which 1 type of substrate it is described as being

a)

fussy

b)

specific

c)

non-specific

d)

complementary

72.

Enzymes are unchanged/changed after a chemical reaction has taken place

a)

unchanged

b)

changed

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