Semester 1 Test Review (2 Of 3)
.
- 1.A scientist plants two rows of corn for experimentation. She puts fertilizer on row 1 but does not put fertilizer on row 2. Both rows receive the same amount of water and light intensity. She checks the growth of the corn over the course of 5 months. What is one controlled variable in this experiment?
- A.
Amount of fertlizer given to experimental group
- B.
Growth of corn
- C.
Type of fertilizer
- 2.Which sentence best describes the importance of using a control group?
- A.
When you use a control group you don't need a large sample size.
- B.
When you have a control group you don't have to do any calculations.
- C.
Control groups allow you to compare those recieving the variable and those that are not.
- 3.What does Abiotic Factor mean?
- A.
All the living parts of an ecosystem.
- B.
All the consumers of an ecosystem.
- C.
All the nonliving parts of an ecosystem.
- 4.An example of a consumer in a pond ecosystem is:
- A.
Water lily
- B.
Algae
- C.
Reed
- D.
Frog
- 5.In an energy pyramid, the lowest level has:
- A.
Less energy than the top level
- B.
Less energy than the second level
- C.
More energy than the top level
- D.
The same amount of energy is available to a consumer
- 6.An animal that eats only plants is a :
- A.
Primary consumer
- B.
Secondary consumer
- C.
Teritary consumer
- D.
Primiary producer
- 7.What is, in plants, the rigid barrier that surrounds the outside of the plasma membrane, is made of cellulose, and provides support and structure to the cell?
- A.
Flagellum
- B.
Cell wall
- C.
Centriole
- D.
Nucleolus
- 8.What is the membrane-bound vesicle for temporary storage of materials such as food, enzymes, and wastes?
- A.
Vacuole
- B.
Golgi apparatus
- C.
Cytoskeleton
- D.
Ribosome
- 9.What is, in eukaryotic cells, the central, membrane-bound organelle that manages cellular functions and contains DNA?
- A.
Ribosome
- B.
Chloroplast
- C.
Ribosome
- D.
Nucleus
- 10.What is a double-membrane organelle that captures light energy and converts it to chemical energy through photosynthesis
- A.
Nucleolus
- B.
Mitochondria
- C.
Chloroplast
- D.
Ribosome
- 11.What is a simple cell organelle that helps manufacture proteins?
- A.
Cell
- B.
Ribosome
- C.
Lysosome
- D.
Mitochondria
- 12.The water molecule is _________, because there is an uneven distribution of electron within the molecule.
- A.
Uneven
- B.
Weird
- C.
Polar
- D.
Strange
- 13.A pure substance made up of only one kind of atom
- A.
Molecule
- B.
Compound
- C.
Element
- D.
Isotope
- 14.All of these are major organic compounds except
- A.
Carbohydrates
- B.
Lipids
- C.
Proteins
- D.
Acids
- 15.All the above are Inorganic except
- A.
Acids
- B.
Bases
- C.
Salts
- D.
Proteins
- 16.Central core of atom
- A.
Nucleus
- B.
Neutron
- C.
Proton
- D.
Atomic Mass
- 17.Fats and oils
- A.
Phospholipids
- B.
Lipids
- C.
Energy
- D.
Glycerol
- 18.Number of protons and neutrons in the nucleus
- A.
Chemical elements
- B.
Nucleic acid
- C.
Protein
- D.
Atomic mass
- 19.A pH less than 7 is a
- A.
Acid
- B.
Base
- C.
Neutral
- D.
Chemical
- 20.
![Water is made of 1 oxygen molecule and _____ hydrogen atoms. - ProProfs]( "Water is made of 1 oxygen molecule and _____ hydrogen atoms.")
Water is made of 1 oxygen molecule and _____ hydrogen atoms.- A.
3
- B.
2
- C.
1
- D.
5
- 21.The main pigment in leaves i
- A.
Chlorophyll
- B.
Chloroplasts
- C.
Plastids
- D.
Carotonoid
- 22.The main products of photosynthesis are:
- A.
Glucose and water
- B.
Water and carbon dioxide
- C.
ATP and NADPH
- D.
Glucose and oxygen
- E.
Oxygen and water
- 23.What gas is given off by plants?
- A.
Carbon Dioxide
- B.
Oxygen
- C.
Nitrogen
- D.
Hydrogen
- 24.Green plants make their own food through a process known as...
- A.
Electrolysis
- B.
Chemical Properties
- C.
Preparation
- D.
Photosynthesis
- 25.The tiny openings on the underside of the leaf that help the plant take in carbon dioxide are called...
- A.
Stomata
- B.
Xylem
- C.
Phloem
- D.
Chlorophyll
Questions: 27 | Attempts: 268 | Last updated: Jul 26, 2019
-
Sample QuestionNilai yang terkandung pada pancasila pada sila ke tiga adalah
Questions: 40 | Attempts: 38 | Last updated: Feb 11, 2013
-
Sample Question___________________ is the study of life
Questions: 15 | Attempts: 49 | Last updated: Dec 14, 2012
-
Sample QuestionContext Menu
Back to top