Download 7th Spring Final Exam Review 2016

Name: ______________________________ Date: ______________ Class: __________
2016 7th Grade Science Spring Final Exam Review
My Test is on: _______________________________
Geotropism & Turgor Pressure:
1. Define tropism.
2. How can you tell that a plant has a decreased turgor pressure?
3. What is the first sign of seed emergence?
4. Describe the force of the vacuole and cell wall in a plant with high turgor pressure.
5. What is an example of positive stimulus?
6. Define xylem and explain the direction of water flow.
7. Which plant structure transports glucose?
Cells, Microscopes, and Classification
8. What is a limitation to a model?
9. How do prokaryotic and eukaryotic cells differ?
10. Name 3 differences between plant and animal cells including the shape.
11. Which organic compound do ribosomes make?
12. List the three components of the cell theory.
13. Which objective of a microscope do you use first?
14. If a microscope has an eyepiece with a power of 10x and the objective power is turned to 40x,
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what is its total magnification?
15. What is the function of the diaphragm?
16. Which cell organelle is responsible for getting rid of wastes?
17. Define dichotomous key and know how to use one.
18. What cell organelle must an organisms have to be an autotroph?
Genetics, Heredity, Reproduction, Natural Selection, and Selective Breeding
19. Who is the Father of Genetics and what did he study?
20. Write the definitions of the following terms:
a.
DNA
b.
Haploid
c.
Diploid
d.
Regeneration
e.
Hybrid
21. Define Genetics
22. Define Heredity
23. How many pairs of chromosomes do cells in your body have (including skin cells, lung cells,
muscle cells, etc)?
24. What are the two sex cells AND how many chromosomes do they have?
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25. What is a similarity between asexual and sexual reproduction?
26. What are the three types of asexual reproduction and give an example of each.
a.
b.
c.
27. Using the letter “R”, write the genotype for the following OR define:
a. Homozygous dominant
b. Homozygous recessive
c. Heterozygous dominant
d. Genotype
e. Phenotype
28. Create a punnett square to answer the following question. In dogs, floppy ears are a recessive
trait while pointy ears are the dominant trait. If a mama dog has floppy ears and a daddy dog is
homozygous for his pointy ears, what is the percent chance their puppy will have pointy ears?
29. What is the end result of mitosis?
30. Which scientist developed the theory of Natural Selection and what does it mean?
31. Define selective breeding.
32. Give an example of selective breeding.
33. Define natural selection.
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34. Give an example of natural selection.
35. Give an example of a species that has adapted to its environment
Human Body Systems
Levels of Organization
36. List the 5 levels of organization in order.
37. What is the smallest unit of life?
38. Define tissue.
39. What makes up organs?
40. What is homeostasis?
41. When the skeletal and muscular systems work together they help you to ___________?
42. How does the skeletal system help maintain homeostasis? (HINT: think about what your
marrow makes!)
Skeletal, Muscular, and Integumentary Systems
43. Give three examples of moveable joints.
44. Give 2 examples of hinge joints.
45. Skeletal muscles always work in ____________.
46. ______________________ attach muscle to bone.
47. What is the tissue at the ends of your bones which allows you to move without experiencing
pain?
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48. What are the 5 functions of your skin?
1.
2.
3.
4.
5.
49. How does the integumentary system help you maintain homeostasis when you get cold?
Nervous System
50. What are the two components of the central nervous system?
51. What is controlled by the somatic nervous system?
52. What body system is at work when the body feels pain?
53. A message carried by a neuron is called a _____________________.
54. How do drugs (such as caffeine and alcohol) affect the nervous system?
Endocrine and Reproductive Systems
55. Which glands make up the endocrine system?
56. Describe how the endocrine system helps your body maintain homeostasis.
57. What are the organs of the male and female human reproductive system?
Male:
Female:
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Circulatory and Immune (Lymphatic) Systems
58. Label the following diagram:
59. Which chambers of the heart hold oxygenated blood?
60. How many chambers does the human heart have?
61. What are the 4 main functions of blood?
62. How do arteries and veins differ?
63. What are the four components of blood?
64.
Describe the function of each item in question#63 above
Respiratory System
65. Your lungs give oxygen to your capillaries through which structures?
66. Which part of your respiratory system moistens and warms the air as it enters your body?
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67. Which muscles contracts and relaxes allowing you to breathe?
Digestion and Excretion
68. List the organs that food passes through in order as it passes through your digestive tract.
69. List the accessory organs in the digestive system (there are 6 of them).
70. Define the following:
a. vitamins
b. peristalsis
c. minerals
d. esophagus
71. When your stomach mixes food while hydrochloric acid breaks it down, both ________________
and _________________________ changes have occurred.
72. How much blood passes through the kidneys each day?
73. What other systems, besides the excretory systems, help in excreting wastes?
74. Label the following diagram:
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75. Know the function of the following systems
a. Nervous
b. Skeletal
c. Respiratory
d. Digestive
e. Circulatory
STUDY HARD AND GOOD LUCK!
HAPPY SUMMER
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