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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. Where in a plant is the water potential lowest?
prophase
leaf
the water potential is higher in the potato than the sugar solution
bud scale scars
2. During which phase of mitosis do the sister chromatids separate?
both gymnosperms and angiosperms
ADP
absorption of water
anaphase
3. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
starch
carbon dioxide
ferns
tRNA
4. What is a product of the biochemical reactions of photosynthesis?
mRNA
active transport
telophase-I
starch
5. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
ethylene
potato
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
6. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
palisade mesophyll
biome
both gymnosperms and angiosperms
pitcher plant
7. What hormone is most important in the ripening of fruits?
ethylene
-regulate water loss -regulate gas exchange -allow light to enter the leaf
sister chromatids
2
8. What would be a way of keeping a short-day plant from blooming?
anaphase
interrupt the dark period with several minutes of light
chlorophyll-A
prokaryotes
9. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
tRNA
pitcher plant
osmosis
vascular cambium
10. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
-organelles -cytosol -nucleus
polar nuclei
provide nutrients for a developing embryo
a changing/heterogeneous environment
11. Transfer of DNA to RNA
pasteurization
versions of a gene
pericycle
transcription
12. Heating up bacteria until it is harmless and cannot function.
abscistic acid
eukaryotes
ground tissue
pasteurization
13. What is the primary function of collenchyma cells?
structural support
prokaryotes
cyanobacteria - green algae - red algae
telophase-I
14. What is NOT a function of the vacuole?
structural support
synthesis of proteins
starch
evolution
15. What process involves the movement of water across a semi-permeable membrane?
butcher's broom
osmosis
anaphase
gymnosperms
16. What is considered part of the protoplast?
pathogens
anther
synthesis of proteins
-organelles -cytosol -nucleus
17. During which phase of mitosis do the sister chromatids separate?
evolution
-regulate water loss -regulate gas exchange -allow light to enter the leaf
versions of a gene
anaphase
18. What is the role of endosperm?
40x
nitrogenous base
absorption of water
provide nutrients for a developing embryo
19. What cell undergoes meiosis?
carbon dioxide
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
polar nuclei
NOT a sperm - microspore - or egg cell
20. Transferring of the information from the DNA into the language of the mRNA.
translation
potato
starch
lipids
21. During which phase of mitosis does the nuclear envelope disappear?
prophase
anther
cheese - yogurt - pharmaceuticals
dehiscent
22. A plant that carries two different versions of a gene for a single trait is...
DNA
heterozygous
pasteurization
eukaryotes
23. In what portion of a root might you find 'root hairs'?
nitrogenous base
versions of a gene
pyruvate
zone of maturation
24. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
synthesis of proteins
andom particle movement results in a net movement from high to low concentration
25. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
a changing/heterogeneous environment
resonance
ferns
26. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
bryophytes
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
provide nutrients for a developing embryo
DNA
27. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
versions of a gene
lumen
lichens
iris diaphragm
28. What is a function of the epidermis?
versions of a gene
-regulate water loss -regulate gas exchange -allow light to enter the leaf
bionary fission and asexually
carbon dioxide
29. Differences in type and location of human-managed ecosystems - quantity and quality of available drinking water and air may also be affected by rising levels of atmospheric carbon dioxide
prophase
prokaryotes
pericycle
effects of rising carbon dioxide
30. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
the water potential is higher in the potato than the sugar solution
active transport
eukaryotes
gymnosperms
31. Info. carrying molecule - single stranded
RNA
the water potential is higher in the potato than the sugar solution
absorption of water
bocarnia
32. How many sperm cells does each pollen grain typically carry?
2
translation
andom particle movement results in a net movement from high to low concentration
-water vapor -oxygen -carbon dioxide
33. A gymnosperm - lives in the desert for up to 3000 years - only grows 2 leaves - 5 feet across - they receive 1 inch of lower of rainfall per year - roots can grow under the soil at least a mile.
transcription
endodermis
cheese - yogurt - pharmaceuticals
welwichsia
34. Vascular and seed bearing
storage
polar nuclei
both gymnosperms and angiosperms
prokaryotes
35. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
gymnosperms
structural support
krebs cycle -glycolysis
lumen
36. What is NOT a function of the vacuole?
40x
cyanobacteria - green algae - red algae
krebs cycle
synthesis of proteins
37. How do bacteria reproduce?
maternal sporophyte - gametophyte - daughter sporophyte
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
bionary fission and asexually
phytochrome
38. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
effects of rising carbon dioxide
lumen
krebs cycle -glycolysis
39. During which phase of mitosis does the nuclear envelope disappear?
mangrove
lumen
nitrogenous base
prophase
40. What is the function of the cortex in a root?
natural selection
-regulate water loss -regulate gas exchange -allow light to enter the leaf
storage
ferns
41. 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?
the water potential is higher in the potato than the sugar solution
2
chlorophyll-A
zone of maturation
42. What best describes a dry fruit which opens at maturity?
dehiscent
pyruvate
electron transport chain
lipids
43. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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183
44. Enzymes are an example of what type of molecule?
mRNA
phytochrome
protein
orchids
45. How many sperm cells does each pollen grain typically carry?
ground tissue
2
vascular cambium
potato
46. What are adenine - guanine - thymine - cytosine?
RNA
nitrogenous base
ferns
maternal sporophyte - gametophyte - daughter sporophyte
47. What part of a stem can a tree live without?
ferns
interrupt the dark period with several minutes of light
heartwood
biome
48. Have a cell wall - no membrane - and no nucleus
provide nutrients for a developing embryo
structural support
heterozygous
prokaryotes
49. Where in a dicot leaf does the majority of photosynthesis occur?
both gymnosperms and angiosperms
palisade mesophyll
zone of maturation
ghost plant
50. What pigment is responsible for plants sensing day length?
electron transport chain
starch
phytochrome
ethylene