snc2d biology unit test

Name: ________________________SNC2D Biology Unit Test 2nd

Wed., Dec.

PART A: True/False On the Scantron card, choose A if the statement is true or B if the statement is false. 1. Plant and animal cells have most of the major cell structures in common. 2. Prokaryotes are cells that have a complex internal organization including a nucleus. 3. Water enters and leaves cells by a process called diffusion. 4. Muscle, epithelial, nervous, and connective are examples of animal organs. 5. Organ systems are independent from one another. 6. The circulatory system transports both oxygen and nutrients around the body. 7. Skeletal, smooth, and cardiac are example of connective tissue. 8. The shoot system produces flowers for sexual reproduction in most plants. 9. Dermal tissue forms the innermost layer of plants. 10. It is not possible to select and grow plants with the best characteristics. PART B: Multiple Choice 11. What are the simplest single-celled organisms? a. eukaryotes b. prokaryotes c. organelles

d. nucleus

12. Which of these organelles are found only in plant cells? a. cell membrane b. mitochondria c. vacuoles chloroplasts 13. Why do cells undergo cell division? a. reproduction b. growth c. repair

d.

d. all of the above

14. What is the process that moves chemicals into and out of a cell, from high to low concentration? a. diffusion b. osmosis c. reproduction d. division 15. Which of the following is not a phase of mitosis? a. prophase b. metaphase c. interphase telophase

d.

16. What new feature forms as a result of plant cell cytokinesis? a. nucleus b. mitochondria c. cell wall d. chloroplast 17. What is the method of cancer diagnosis that involves a sample of cells being surgically removed and examined under a microscope? a. endoscopy b. CT scanning c. biopsy d. X-ray 18. Which of the following is not a main method for cancer treatment? a. MRI b. surgery c. chemotherapy d. radiation 19. What is the name of the structure that performs one primary function instead of doing everything an organism needs to survive? a. nucleus b. stem cells c. specialized cell d. lysosomes 20. What is the name of the specialized cell that engulfs bacteria and fights infection? a. red blood cell b. nerve cell c. bone cell d. white blood cell 21. What are groups of similar cell types that perform a common function? a. organs b. cells c. tissue d. muscle

Name: ________________________SNC2D Biology Unit Test 2nd 22. What animal tissue is bone an example of? a. epithelial b. connective c. muscle

Wed., Dec.

d. nerve

23. What is an undifferentiated cell that can divide to form specialized cells in an animal? a. meristematic cell b. stem cell c. tendon d. regenerative cell 24. Which of the following is not a part of the digestive tract? a. pancreas b. esophagus c. anus small intestine

d.

25. What do the accessory organs do in the human body? a. produce enzymes b. produce fluids c. aid digestion of the above

d. all

26. What makes up the circulatory system? a. blood b. heart c. blood vessels above

d. all of the

27. Which of the following is a medical technology used to help diagnose abnormalities in the circulatory system? a. X-ray b. angiograms c. CT scan d. all of the above 28. How many types of stem cells are there? a. 1 b. 2 c. 3

d. 4

29. Where does gas exchange take place in the respiratory system? a. bronchi b. trachea c. alveoli d. diaphragm 30. Which of the following is not an example of a respiratory disease? a. diabetes b. tuberculosis c. cancer SARS

d.

31. How many types of connective tissue are there in the skeleton? a. 1 b. 2 c. 3 d. 4 32. What connects muscles to bones? a. cartilage b. ligaments exoskeleton

c. tendons

d.

33. Neurons specialize in a. sensory processing b. regulating organs c. communication

d. protection

34. The nervous system contains all of the following: a. lungs, diaphragm, brain b. brain, neurons, cartilage c. sensory neruons, brain, spinal cordd. spinal cord, tendons, eyes 35. What are undifferentiated plant cells called? a. stem cells b. meristematic cells 36. The root system: a. anchors the plant of the above

c. xylem

b. absorbs water and minerals

d. meristems

c. stores food

d. all

37. Which tissue is responsible for transporting water throughout the plant from the roots? a. xylem b. phloem c. epidermis d. stomata 38. In a plant, storage of food is a primary function of:

Name: ________________________SNC2D Biology Unit Test 2nd a. xylem

b. phloem

c. roots

Wed., Dec. d. leaves

39. Photosynthesis uses which of the following to produce glucose and oxygen? a. light energy b. water c. carbon dioxide d. all of the above 40. All of the following are tissue systems in plants, except: a. dermal b. connective c. vascular d. ground

/40

+

/100 PART C: Short Answer Label the following diagrams. Both diagrams consist of 10 parts. /20 1.

2.

/60 =


Wed., Dec.

3. Use a T-chart to differentiate between a benign tumour and a malignant tumour. /4

4. Explain specifically why interphase is not considered to be the ‘resting stage.’ /2

5. Explain any 2 of the 4 ‘checkpoints’ in the cell cycle and what may happen if one of these checkpoints fails to do their job. /3

6. Explain the pros and cons of transgenic plants. /4

7. Using the chart below, differentiate between prokaryotes and eukaryotes. /4 PROKARYOTES

EUKARYOTES


Wed., Dec.

8. Briefly explain how the digestive system interacts with the circulatory system and how the respiratory system interacts with the circulatory system. /4

9. Choose 5 of the following 9 organelles and describe their function, as well as which types of cells they are found in. /10 Cytoplasm, cell membrane, nucleus, mitochondria, endoplasmic reticulum, Golgi bodies, vacuoles, cell wall, chloroplast.

10. Name three kinds of specialized cells and their function. /3

11. Name the two kinds of meristems, and the types of plants they are found in. /3


12. Indicate the accessory organs present in the digestive system. /3

Wed., Dec.

snc2d biology unit test

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