1st Quarter EQT Study Guide – Science 7

1. Even on a windy day, most plants can remain upright. Which structure plays the greatest role in providing a plant with this type of support?

2. In eukaryotic cells, what is the main function of a chloroplast?

3. A scientist wanted to study a cell which lacked the structure that is involved in providing the cell with energy required for various cell functions and activities. Which structure would need to be missing from the cell for this study to take place?

4. Which organelle provides evidence that this cell can produce its own food from sunlight?

5. Which student correctly identifies the cell structure responsible for storing water and other liquids and the structure responsible for directing the allowing materials into and out of the cell?

Student / Cell Structure
Mitochondria / Cell membrane / Vacuole / Cell wall
1 / x / x
2 / x / x
3 / x / x
4 / x / x

6. What is the function of the nucleus?

7. What do eukaryotic cells have that prokaryotic cells do not have?

8. An animal with 2 similar halves that are mirror images of each other would have which type of symmetry?

9. Which statement describes only biotic factors in a forest ecosystem?

10. What is an asexual form of reproducing that occurs when a small part of the parent’s body develops into an independent organism?

11. In what type of environment does external fertilization take place?

12. The life cycle of the butterfly is illustrated below. What type of change is the butterfly going through?

13. Which characteristic of living things does the picture below best represent?

14. Which student correctly identified characteristics that are specific to animals?

Student's Identification of Animal Characteristics
Student / Characteristics
Cell wall present / Conducts photosynthesis
1 / no / yes
2 / yes / yes
3 / yes / no
4 / no / no

15. Based on the differences between plant and animal cells, which cell is most likely from a plant?

16. Which statement correctly describes a difference between plant cells and animal cells?

17. Which statement identifies a characteristic of plants, but not animals?

18. Which statement describes a major reproductive difference between plants and animals?

19. Use the diagram below to indicate where the most transpiration will occur.

20. A student puts soil in a jar, plants some seeds, adds water, and puts a lid on the jar. The seeds sprout but soon die. Which characteristic of life is most limited by the closed lid of the jar?

21. What is a characteristics shared by all animals?

22. What happens during photosynthesis?

23. How does photosynthesis benefit heterotrophs?

24. According to the chart, which set of conditions represents the process of photosynthesis?

Set / Organism / Environment / Raw materials / Products
A / Prokaryote / Darkness / Light energy, soil / Sugar
B / Plant / Darkness / Oxygen, glucose / Carbon dioxide, water
C / Plant / Light / Carbon dioxide, water / Sugar, oxygen
D / Animal / Light / Amino acids, oxygen / proteins

25. If there were no more animals on Earth, how would that affect plants in terms of photosynthesis and respiration?

26. How do nonvascular plants get water?

27. After fertilization takes place in a flower, into what does the ovary develop?

28. In angiosperms, reproduction occurs in which structure?

29. Plants reproduce with 2 types of cells, 1 is sex cells. What is the other type?

30. In the ecosystem depicted in the diagram below, which statement best describes an abiotic factor?

31. Plants require moisture, oxygen, carbon dioxide, light, and minerals for growth. These requirements are best described as…

32. Using the diagram of the pond below, which statement describes both biotic and abiotic factors in this pond ecosystem?

33. What is a biotic part of an ocean?

34. 2 tulip plants are placed on a table. The tulip plant (plant X) on the left is placed inside a cardboard box with only a hole at the top to allow light to enter. Who will these 2 plants respond to these environmental conditions?

35. Even on a windy day, most plants can remain upright. Which structure plays the greatest role in providing a plant with this type of support?

36. In eukaryotic cells, what is the main function of a chloroplast?

37. A scientist wanted to study a cell which lacked the structure that is involved in providing the cell with energy required for various cell functions and activities. Which structure would need to be missing from the cell for this study to take place?

38. Which student correctly identifies the cell structure responsible for making energy and the structure responsible for supporting plant cells?

Student / Cell Structure
Mitochondria / Cell membrane / Vacuole / Cell wall
1 / x / x
2 / x / x
3 / x / x
4 / x / x

39. What do eukaryotic cells have that prokaryotic cells do not have?

40. Which statement describes how a plant cell’s functions would change in the absence of ribosomes?

41. Which statement describes the process of growth within an organism?