Download Cape Breton Victoria Regional School Board BRETON EDUCATION

Cape Breton Victoria Regional
School Board
BRETON EDUCATION CENTRE
Science 9 Examination
February , 2008
Mr. Porter
Please make sure your exam has each of the sections as
follows:
PART A – 30 Fill-In-The Blank – 1 pt. each for a total of 30 pts.
PART B – 30 Multiple Choice
- 1 pt. each for a total of 30 pts.
PART C – 10 True or False
- 1 pt. each for a total of 10 pts.
PART D – 2 Diagrams
for a total of 14 pts.
PART E – 4 Short Answer
- 4 pts. each for a total of 16 pts.
For a total mark of 100 pts.
Student Name:_____________
Exam Mark:_____
GOOD LUCK!!!
WORD BANK
nucleus
mitochondria
regeneration
asexual reproduction
sexual reproduction
Internal Fertilization
External Fertilzation
Selective Breeding
Recombinant DNA
Reproductive technology
Genetic Engineering
Mutagenic Agents
cell wall
cytoplasm
sporophyte
hermaphrodites
germination
angiosperm
gymnosperm
Biotechnology
Transgenic
Protein
Karyotype
Aquaculture
cell membrane
ribosomes
stamen
fruit
cotyledon
gametophyte
Codon
Gene Splicing
Gene Therapy
Mutations
Monoculture
Genetic Screening
Part A - Fill – in – the – blanks
chloroplasts
lysosomes
pollination
conjugation
seed
pistil
Amino Acids
Hybrid
Genome
Herbicide
(30 points)
1. ____________________________ is the control centre of the cell.
2. ____________________________ is the powerhouse of the cell.
3. ____________________________ is found in plant cells for shape,
support, and structure.
4. ____________________________ is the jelly like material that
keeps organelles in place.
5. ____________________________ keeps material in or out.
6. ____________________________ makes food for the plant
through photosynthesis.
7. ____________________________ make proteins.
8. ____________________________ digests food and waste.
9. ____________________________ the process of repairing injured
cells or growing lost body parts.
10. ____________________________ is the formation of a new
individual that has identical genetic information to its parent.
11. ____________________________ is the reproductive process
involving two sexes and resulting in offspring different from both
parents.
12. ____________________________ is a form of fertilization in
which the sperm travels into the female’s body to meet the egg.
13. ____________________________ is the process in which a seed
begins to grow.
14. ____________________________ is a form of fertilization in
which the sperm and eggs cells meet outside the bodies of both
parents.
15. ____________________________ using or modifying living
organisms to produce marketable goods.
16. ____________________________ method of reproducing in single
– celled organisms, involves transfer of DNA from one individual to
another.
17. ____________________________ breeding individuals with
certain desired traits produce offspring with similar traits.
18. ____________________________ in a flowering plant, the ripened
ovary, which contains one or more seeds.
19. ____________________________ a plant that produces exposed
seeds rather than seeds inside an ovary.
20. __________________________ is having two sets of chromosomes.
21. ____________________________ complex compounds that
combine in many ways to make different proteins.
22. ____________________________ the process of artificially
combining genes in a cell.
23. ____________________________ the technique allowing
scientists to block defective genes or adding healthy ones.
24. ____________________________ are long chains of amino acids,
necessary in the diet; and is an essential part or animal and plant cells.
25. ____________________________ is the use of land for growing
only a single variety of crops.
26. ____________________________ are all of the genes found in a
complete set of chromosomes.
27. _______________________ - techniques to increase the
probability of reproduction.
28. _______________________ - chemical that kills plants or may
inhibit its growth.
29. _______________________ - in a molecule of DNA, triplet of
bases controlling the placement of a specific amino acid during the
making of a protein.
30. _______________________ - growing and harvesting of fish and
shellfish for use by humans.
PART B – Multiple Choice – Select the correct response.
(30 points)
1. In humans, the diploid number of chromosomes in the cells is:
(a) 92
(b) 46
(c) 23
(d) 8
2. The production of yogurt and cheese is an example of:
(a) reproductive technology
(b) selective breeding
(c) biotechnology
3. Which of the following is NOT an example of an Animal:
(a) human
(b) penguin
(c) earthworm
(d) cactus
(b) double
(c) triple
(d) quarter
(b) double
(c) triple
(d) quarter
4. Diploid means:
(a) half
5. Haploid means:
(a) half
6. The zygote is the __________ new body cell of a new individual.
(a) first
(b) second
(c) third
(d) forth
7. The process that ensures that each gamete contains only one-half set of
chromosomes is called:
(a) Fertilization
(b) binary fission
(c) meiosis
(d) mitosis
8. Homologous comes from the Greek word “homologos” meaning:
(a) disagree
(b) variation
(c) same
(d) agree
9. In a cell nucleus, a double-stranded, thread like structure is called:
(a) gonad
(b) chromosome
(c) crossing over
(d) string
10. Who was the first person Classifying living things?
(a) Aristotle
(b) Newton
(c) Einstein
(d) Mr. Porter
11. Which is not an example of an animal that reproduces by internal
fertilization?
(a) reptiles
(b) fish
(c) birds
(d) mammals
12. When is the optimal time for a human mate?
(a) never
(b) anytime
(c) sometimes
(d) Fridays
13. How many times do honeybees mate in their lifetime?
a) once
b) twice
c) three times
d) never
14. A hermaphrodite has:
a)
b)
c)
d)
neither female nor male reproductive organs.
both female and male reproductive organs.
female reproductive organs.
male reproductive organs.
15. “Angio” in greek means:
a) outside the vessel
b) inside the vessel
c) around the vessel
d) above the vessel
16. Which form of reproduction is favorable for variation?
a) Sexual reproduction
b) Asexual reproduction
c) neither
d) both
17. Which of the following do not help cross-pollination.
a) wind
b) trees
c) insects
d) animals
18. What is the pistel?
a) female reproductive organ
b) male reproductive organ
19. Which is not a structure in the pistil:
a) stigma
b) style
c) ovary
d) gametes
c) pine tree
d) moss
20. An example of a hermaphrodite is:
a) earthworm
b) sunflower
21. A example of a plant that reproduces without seeds is:
a) earthworm
b) sunflower
c) pine tree
d) moss
22. What is the stamen?
a) female reproductive organ
b) male reproductive organ
23. One example of aquaculture is:
a) hunting
b) fish farming
c) harvesting
d) swimming
24. Which is not a structure in the stamen:
a) anther
b) pollen grains
c) filament
d) helix
25. Which of these is not a nucleotide?
a) ademine
b) thymine
c) glucose
d) cytosine
26. How many essential amino acids are there?
a) 40
b) 20
c) 1
d) 100
27. Which of these crops do not belong to the Brassica family?
a) cabbage
b) mustard plant
c) sunflower
d) radishes
28. Which of these is not an example of a genetic disorder?
a) Alzheimer’s
b) cystic fibrosis
c) huntingtons
d) viruses
29. ________________ is not a type of heavy metal.
a) copper
b) zinc
c) aluminum
d) lead
30. Chromosomes are made up of_______________________________.
a) tightly coiled strands of DNA.
c) large spirals of nucleotides.
b) a small tiny nucleus.
d) none of these.
PART C – True or False
(10 points)
Write either True or False for each statement. T or F will not be
accepted, you have to write out either TRUE or FALSE.
1. _______ Selective breeding of animals is an example of
biotechnology.
2. _______ Mutations can not be inherited.
3. _______ Mutations can be beneficial.
4. _______ Toxic chemicals do not cause cancer.
5. _______ Biodiversity means a variety of species and a diversity of
marine life.
6. _______ Technology has not helped us at all over the years.
7. _______ Nucleotides are made of up phosphate, sugar, and a
nitrogen base.
8. _______ Cells rely on coded information to know what to do.
9. _______ Marine organisms will not produce antibiotics.
10. _______ What we learned so far this year falls under Biology.
PART D – Diagrams – Label each of the diagrams.
(14 points)
PART E – Short Answer
CHOOSE 4 of the 7 following questions to answer.
1. a) Name
i)
ii)
iii)
(16 points)
3 members of the Fungi Kingdom
_____________________________.
_____________________________.
_____________________________.
b) Explain how these things get food.
____________________________________________________
____________________________________________________
___________________________________________________.
2. Give two advantages and two disadvantages of asexual reproduction.
Advantages
a)_____________________________________________________
______________________________________________________.
b)_____________________________________________________
______________________________________________________.
Disadvantages
a)_____________________________________________________
______________________________________________________.
b)_____________________________________________________
______________________________________________________.
3. a) What is dispersal?
_______________________________________________________
______________________________________________________.
b) What are four agents of dispersal?
1)____________________
2)____________________
3) ____________________
4) ____________________
4. a) What is biotechnology?
____________________________________________________
___________________________________________________.
b) Give three examples of biotechnology.
i)___________________________________________________
_______________________________________________.
ii)___________________________________________________
______________________________________________.
iii)__________________________________________________
_______________________________________________.
5. Give the fundamental sequence that allows animals to reproduce
sexually “Cycle of Life”.
You may use a diagram or give your answer in point form.
***HINT: There are four important points.
6. a) What is Meiosis?
____________________________________________________
____________________________________________________
____________________________________________________.
b) List the 8 stages of Meiosis in the correct order.
1.__________________________ 5. _______________________
2.__________________________ 6. _______________________
3.__________________________ 7. _______________________
4.__________________________ 8. _______________________
7. How can ocean plants and animals provide solutions for medical
problems?
a) Bacterium - ______________________________________
_______________________________________________
_______________________________________________.
b) A compound - _____________________________________
__________________________________________________
__________________________________________________
c) Sponges and Corals - ________________________________
__________________________________________________
_________________________________________________.
d) Marine organisms - ________________________________
_________________________________________________.