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Test your basic knowledge |
Botany Test
Start Test
Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is a function of the epidermis?
resonance
nucleus
-regulate water loss -regulate gas exchange -allow light to enter the leaf
40x
2. What contains the most potential energy?
palisade mesophyll
biome
evolution
starch
3. What organelle do guard cells contain that other epidermal cells lack?
pasteurization
-regulate water loss -regulate gas exchange -allow light to enter the leaf
chloroplasts
pericycle
4. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
pathogens
ethylene
osmosis
5. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
eukaryotes
fungi
starch
6. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
heartwood
butcher's broom
chloroplasts
7. A plant that carries two different versions of a gene for a single trait is...
chloroplasts
heartwood
NOT a sperm - microspore - or egg cell
heterozygous
8. What are the major groups of algae?
seed
NOT a sperm - microspore - or egg cell
cyanobacteria - green algae - red algae
resonance
9. What hormone is most important in the ripening of fruits?
ethylene
dehiscent
structural support
potato
10. What is NOT a product of the krebs cycle?
pathogens
ADP
versions of a gene
iris diaphragm
11. What pigment is responsible for plants sensing day length?
lipids
phytochrome
prophase
biome
12. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
seed
S-phase
krebs cycle -glycolysis
andom particle movement results in a net movement from high to low concentration
13. Heating up bacteria until it is harmless and cannot function.
lack of available oxygen
osmosis
maternal sporophyte - gametophyte - daughter sporophyte
pasteurization
14. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
butcher's broom
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
transcription
15. Which part of aerobic respiration results in the production of CO2?
structural support
potato
nitrogenous base
krebs cycle
16. What causes diffusion of gases to occur?
andom particle movement results in a net movement from high to low concentration
interrupt the dark period with several minutes of light
bionary fission and asexually
polar nuclei
17. A piece of potato tuber is placed in a concentrated sugar-water solution. what statement BEST describes why the piece of potato shrinks in size over time?
a changing/heterogeneous environment
starch
the water potential is higher in the potato than the sugar solution
artificial selection
18. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
gymnosperms
lumen
lack of available oxygen
chloroplasts
19. Which part of aerobic respiration generates the most ATP?
palisade mesophyll
ghost plant
electron transport chain
40x
20. What part of a stem can a tree live without?
absorption of water
heartwood
chlorophyll-A
krebs cycle
21. Which part of aerobic respiration results in the production of CO2?
pyruvate
active transport
heterozygous
krebs cycle
22. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
seed
lipids
ADP
23. What organelle contains DNA?
nucleus
-organelles -cytosol -nucleus
pericycle
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
24. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
krebs cycle
nucleus
natural selection
pathogens
25. If an ovule is fertilized - what will it develop into?
cytokinnin
structural support
seed
starch
26. What tissue can be found in a root but not in a stem?
provide nutrients for a developing embryo
potato
pitcher plant
pericycle
27. Where in a dicot leaf does the majority of photosynthesis occur?
cytokinnin
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
palisade mesophyll
multiple
28. Under what conditions would a plant utilize fermentation to obtain energy?
osmosis
mRNA
lack of available oxygen
ethylene
29. Vascular and seed bearing
andom particle movement results in a net movement from high to low concentration
transcription
prophase
both gymnosperms and angiosperms
30. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
palisade mesophyll
active transport
effects of rising carbon dioxide
interrupt the dark period with several minutes of light
31. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
cytokinnin
lipids
a changing/heterogeneous environment
storage
32. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
provide nutrients for a developing embryo
cytokinnin
krebs cycle -glycolysis
gymnosperms
33. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
xylem
structural support
natural selection
lichens
34. What best describes a dry fruit which opens at maturity?
chloroplasts
telophase-I
dehiscent
artificial selection
35. What is a function of the epidermis?
telophase-I
abscistic acid
storage
-regulate water loss -regulate gas exchange -allow light to enter the leaf
36. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
fungi
2
DNA
water
37. Under what conditions would a plant utilize fermentation to obtain energy?
-organelles -cytosol -nucleus
water
mangrove
lack of available oxygen
38. A plant that carries two different versions of a gene for a single trait is...
chloroplasts
pitcher plant
krebs cycle
heterozygous
39. You can determine the age of a woody branch by counting these
bud scale scars
pericycle
active transport
ghost plant
40. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
-regulate water loss -regulate gas exchange -allow light to enter the leaf
-organelles -cytosol -nucleus
biome
41. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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183
42. 'Alleles' are best described as...
butcher's broom
heterozygous
electron transport chain
versions of a gene
43. What is the primary function of collenchyma cells?
structural support
phytochrome
nucleus
mangrove
44. Which substances pass through the open stomata of a leaf?
40x
active transport
-water vapor -oxygen -carbon dioxide
osmosis
45. What organelle do guard cells contain that other epidermal cells lack?
chloroplasts
water
water
pasteurization
46. What contains the most potential energy?
chlorophyll-A
telophase-I
transcription
starch
47. Seeds are not protected by fruit and they do not have flowers - do not have shell around seeds - reproduce by releasing pollen into the air to make available to the ovule in the megaspores - causing fertilization
heartwood
gymnosperms
prophase
krebs cycle -glycolysis
48. What are adenine - guanine - thymine - cytosine?
nitrogenous base
lack of available oxygen
mangrove
pericycle
49. What hormone is most important in the ripening of fruits?
pathogens
ethylene
interrupt the dark period with several minutes of light
potato
50. What pigment absorbs energy and can emit an electron in photosynthesis?
pyruvate
mRNA
chlorophyll-A
cytokinnin