Download Grade 10 Science: Biology Unit Test

Grade 10 Science: Biology Unit Test
Name: ___________________________
PRACTICE
Date: _________________________
Part A) Multiple Choice (17 KU marks)
1.Which of the following organelles in a cell is responsible for manufacturing proteins?
a) nucleus
b) endoplasmic reticulum
c) ribosomes
d) Golgi body
2. Which of the following is found ONLY in plant cells?
a) nucleus
b) mitochondria
c) ribosomes
d) chloroplast
3. Which of the following cells would you expect to contain the most number of
mitochondria?
a) skin cell
b) muscle cell
c) nerve cell
d) lung cell
4. What tissue type makes up the skin and the protective lining of many organs?
a) nerve
b) muscle
c) epithelial
d) connective
5. __________________ stores a fluid called bile, which is secreted by the liver and it
breaks down fat during digestion.
a) spleen
b) pancreas
c) duodenum
d) gall bladder
6. Which of the following is plant tissue?
a) epithelial b) connective
c) vascular
d) nerve
7. What structure(s) during cell division (mitosis) produce the spindle fibers?
a) chromosomes
b) centrioles
c) cytoplasm
d) ribosomes
8. Which types of cells are considered generic cells that are capable of undergoing cell
differentiation and cell specialization?
a) brain cells
b) skin cells
c) stem cells
d) cancer cells
9. Which plant tissue regulates exchange of gases?
a) ground
b) meristematic
c) epidermal
d) cuticle
10. What vessels carry the oxygenated blood away from the heart?
a) arteries
b) veins
c) capillaries
d) ventricles
11. Which system transports oxygen and nutrients to where they are needed by the body?
a) digestive
b) respiratory
c) excretory
d) circulatory
12. We breathe because we need oxygen. We need oxygen because…
a) for photosynthesis
b) for removing waste
c) for energy (product of cellular respiration)
d) to nourish the cells
13. Which of the following technology uses radiation to penetrate through skin and tissue
but not metals and bone?
a) CT scans
b) Ultrasound
c) X-ray
d) MRI
14. What are the structures called inside the small intestines that absorb the nutrients?
a) duodenum
b) villi
c) cilia
d) folds
15. What organ system consists of the skin, hair and nails?
a) lymphatic
b) reproductive
c) integumentary
d) nervous
16. Which technology uses high frequency sound waves to produce imaging of body
tissues and organs?
a) CT scans
b) Ultrasound
c) X-ray
d) MRI
17. Which technology uses X-ray equipment to form a 3D images of body parts?
a) CT scans
b) Ultrasound
c) X-ray
d) MRI
18. In the flower what develops into a fruit?
a) the ovary
b) the stamen
c) the pistil
19. What fertilizes the ovum in the ovary of the flower?
a) the bee
b) the sepal
c) the pollen from the anther
d) none of these
c) none of these
20. What part of the flower attracts the bees or other pollinators?
a) sepal
b) petals
c) anther
d) filament
Part B) Labeling Diagrams (18 C marks)
Label the following parts of the respiratory
system: (5 marks)
3: ____________________________
5: ____________________________
6: ____________________________
8: ____________________________
11: ___________________________
Write the name for each stage of mitosis. (1/2
mark each x 8 =4 marks)
Phase:
Phase:
Label the centrioles
Label the spindle fibers
Phase:
Phase:
Label the chromatids
Label the nuclear membrane
Digestive system: Label the required parts of the digestive system. Use the list of words
provided (1/2 mark each x 8 = 4 marks)
Frog dissection: Label any five (5) organs.
Indicate the letter and name the organ.
(5 marks)
____ ____________________________
____ ____________________________
____ ____________________________
____ ____________________________
____ ____________________________
Part C) Short Answers (10 TI marks)
1) Describe how the frog’s heart is similar and how is it different than the human heart?
2) Two situations are shown below (exercising on the left and getting scared of
something on the right). State at least two major organ systems involved in each situation
and explain how the responses in each system are related to each other. (4 TI marks).
Which organ systems are involved?
Which organ systems are involved?
How are responses in each organ system
related?
How are responses in each organ system
related?
3. a) A specimen is viewed under microscope (low magnification 40X). The field of view
under low magnification is 1400 um. The total magnification under high power is 400X.
What is the field of view under high magnification?
b) What is the average cell size if 2.5 cells fit across the high power magnification?
Part D) Application (10 marks)
1) Pick ONE type of medical imaging technology that you read about, and answer
the following questions: (5 marks)
a) State the name of the medical imagining technology: (1 mark)
b) Describe the technology in no more than 2 sentences. (2 marks)
c) List ONE abnormality that it can diagnose and/or treat. (1 mark)
d) List one disadvantage associated with this medical imaging technology. ( 1 mark)
2) Trace the flow of blood through the heart. Label all the important parts.
3) a) What is diffusion?
b) What drives diffusion?
c) What is osmosis?
4) Describe what kind of solution this is and what will happen to the cell when it’s
placed in this solution. (2 marks)
5) Calculate the cell enlargement (magnification) in this biological drawing. Assume
the actual size of the cell is 150 um.