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- 1. Multiple Choice
Mr. Koening is doing an experiment. He places two identical plants by the window in his classroom. The plants exist under identical conditions except, Mr. Koening waters one plant everyday and the other plant every other day. After one month, Mr. Koening finds that the plant watered everyday is taller than the plant watered every other day. What type of factor has influenced growth of the plants?
genetic factor
environmental factor
behavioral factor
science factor
- 2. Multiple Choice
The cell cycle is:
The regular sequence of growth and division of a cell
The regular sequence of repair of a cell
The regular sequence of apoptosis
The regular sequence of DNA replication
- 3. Multiple Choice
Which of these experiments provide the best evidence that genetic factors influence plant growth?
Planting seeds from several different plants under identical conditions that are found to grow at similar rates
Planting seeds from several different plants under identical conditions that are found to grow at different rates
Planting seeds from the same parent plant under a variety of conditions that are found to grow at different rates
Planting seeds from the same parent plant under a variety of conditions that are found to grow at similar rates
- 4. Multiple Choice
Which of the following choices is NOT an environmental factor that could influence growth of a plant?
soil type
deoxyribonucleic acid
local climate
fertilizer application
- 5. Multiple Choice
In addition to genes passed on from biological parents, which of the following most influences a human's height?
local climate
exposure to sunlight
nutrition
medication
- 6. Multiple Choice
DNA replication means:
DNA moves out of the nucleus
DNA makes a copy of itself
DNA becomes chromosomes
DNA is deoxyribonucleic acid
- 7. Multiple Choice
Which of the following experiments provides the best way to test the effect of daylight hours on rose bush bloom numbers?
study a single rose bush during different seasons and under different amounts of sunlight to see when it has the most blooms
research the kinds of rose bushes that have the highest number of blooms to see how much sunlight they need
count rose bush blooms in different parts of the world that have different amounts of sunlight
collect data on the number of rose bush blooms grown under identical conditions, except for hour of daylight
- 8. Multiple Choice
Multicellular organisms grow by:
expanding cell size
increasing cell size
expanding number of mitochondria
increasing the number of cells
- 9. Multiple Choice
A group of biologists are setting up an experiment to study the length of the cell cycle, which of the following cells would not be a good cell to use?
liver cell
brain cell
blood cell
skin cell
- 10. Multiple Choice
Somatic cells are:
reproductive cells
seed cells
body cells
happy cells
- 11. Multiple Choice
Students planted 100 seeds in two similar plots of land on the same day. Both plots of land measured fifteen square feet. The students recorded data for a year. Based on the data in the table provided on your table, the height of the plants in Seed Group 2 is most likely the result of which of the following factors?
success rate of the sprouts
genetic factors of the plants
average local rainfall
pH of the soil in the area
- 12. Multiple Choice
In the cell cycle, G0 (G zero) means:
Growth phase
Resting phase
DNA replication phase
Cell division phase
- 13. Multiple Choice
Fill in the blanks of the following sentence: Chromosomes are held together by the ______________________________________.
ribosomes
mitochondria
chromatids
centromeres
- 14. Multiple Choice
Cells divide for which of the following reasons? Check ALL that apply.
growth
repair
reproduction
respiration
- 15. Multiple Choice
A farmer treated a population of corn plants with fertilizer. The farmer observed these corn plants, on average, were taller than another population of the same kind of corn plant that were not treated with fertilizer. The farmer's observation supports which of the following conclusions?
Fertilizer cannot affect corn plant growth
Only fertilizer can make corn plants larger
Survival of corn plants is dependent on fertilizer
Fertilizer can affect corn plant growth
- 16. Multiple Choice
Knickers, the steer, became famous for being extremely large. Which of the following factors contributed most to Knickers' size.
genes
sunlight
age
food
- 17. Multiple Choice
When a parent cell divides, the products are called:
cousin cells
son cells
daughter cells
mother cells
- 18. Multiple Choice
Fill in the blanks: Deoxyribonucleic acid is a molecule the shape of a __________________________________ made of alternating sugar and __________________________ sides and complementary _____________________________________________ as the rungs of the ladder.
twisted ladder, phosphate, nitrogen bases
straight ladder, nitrogen, phosphate bases
straight ladder, phosphate, nitrogen bases
twisted ladder, nitrogen, phosphate bases
- 19. Multiple Choice
Fish in a small pond will typically be smaller than fish in a large pond. Which type of influential factor is at work?
genetic factor
environmental factor
- 20. Multiple Choice
What animal is the only mammal able to regrow body parts?
humans
cows
deer
dogs
- 21. Multiple Choice
A scientist planted several radish plants at work. She also planted several radish plants at home. She observed that the plants grown at home were taller and had more leaves than those grown at work. She proposed the idea that genetic differences were responsible for the differences. Which of the following is the best argument AGAINST her idea?
Changing environments can alter plants' genetic material
Genetic factors cannot influence plant height or leaf growth
The genetic material of all the plants would be the same
Environmental factors are usually stronger than genetic factors
- 22. Multiple Choice
Fill in the blank. According to a NASA study, between 2000 and 2009, plant growth in the southern hemisphere ________________________ because of climate change.
fell
increased
stayed the same
was not measured
- 23. Multiple Choice
Check ALL that apply. Chromosomes are made of _____________________________?
Condensed chromatin
Condensed chromatids
Condensed milk
Genetic material
- 24. Multiple Choice
When an amoeba goes through the cell cycle and divides, it has ____________________________________?
grown
repaired
reproduced
photosynthesized
- 25. Multiple Choice
How long does the cell cycle take?
2 hours
22 hours
2 seconds
depends on the type of cell
- 26. Multiple Choice
A unicellular organism grows by:
increasing the number of its cells
increasing the size of its cell
changing shape
shrinking
- 27. Multiple Choice
The DNA molecule is a:
singular helix
double helix
triple helix
quadruple helix
- 28. Multiple Choice
Which of the following is NOT an environmental factor that could influence growth and development of an ANIMAL?
food
space
genes
predators
- 29. Multiple Choice
Remember Lily, the puppy? Which of the following would NOT influence Lily's growth and development?
her DNA
her food
her parents
her friend, Lucy, a hound dog
- 30. Multiple Choice
What does DNA stand for?
deoxyribonucleic acid
deribonucleus acid
deoxynucleic acid
deoxrinecleic acid
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