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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. Change in gene frequency in a gene population over time.
resonance
dehiscent
evolution
pitcher plant
2. 'Alleles' are best described as...
sister chromatids
active transport
versions of a gene
starch
3. Epiphytes - valemine breaks down compost in roots
-regulate water loss -regulate gas exchange -allow light to enter the leaf
chlorophyll-A
krebs cycle
orchids
4. Vascular and seed bearing
both gymnosperms and angiosperms
pericycle
potato
ADP
5. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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6. What hormone is most important in the ripening of fruits?
chlorophyll-A
interrupt the dark period with several minutes of light
bryophytes
ethylene
7. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
bocarnia
water
fungi
pasteurization
8. What separates during meiosis-II
sister chromatids
starch
ethylene
pitcher plant
9. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
bryophytes
seed
nucleus
abscistic acid
10. What causes diffusion of gases to occur?
40x
translation
bionary fission and asexually
andom particle movement results in a net movement from high to low concentration
11. In what part of a flower is pollen produced?
bionary fission and asexually
polar nuclei
anther
ADP
12. What organelle do guard cells contain that other epidermal cells lack?
artificial selection
chlorophyll-A
starch
chloroplasts
13. What BEST describes plant hormones?
the water potential is higher in the potato than the sugar solution
translation
hormones are produced in a part of a plant and act in another part.
pericycle
14. Heating up bacteria until it is harmless and cannot function.
orchids
-water vapor -oxygen -carbon dioxide
S-phase
pasteurization
15. 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
cytokinnin
effects of rising carbon dioxide
nitrogenous base
interrupt the dark period with several minutes of light
16. 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
lumen
effects of rising carbon dioxide
heartwood
-organelles -cytosol -nucleus
17. What is a final product of glycolysis?
pyruvate
sister chromatids
xylem
tRNA
18. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
S-phase
pyruvate
active transport
phytochrome
19. What pigment is responsible for plants sensing day length?
phytochrome
versions of a gene
starch
ethylene
20. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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on line
183
21. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
cone
active transport
pasteurization
22. 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
gymnosperms
nitrogenous base
artificial selection
lichens
23. Have a nucleus - and a cell membrane
eukaryotes
gymnosperms
hormones are produced in a part of a plant and act in another part.
evolution
24. How do bacteria reproduce?
transcription
bionary fission and asexually
welwichsia
lichens
25. What pigment is responsible for plants sensing day length?
phytochrome
ferns
eukaryotes
pyruvate
26. What cell undergoes meiosis?
tRNA
cheese - yogurt - pharmaceuticals
NOT a sperm - microspore - or egg cell
pairs of chromosomes that each carry an allele for a given trait
27. What organelle was observable in the onion epidermis stained with iodine?
nucleus
cyanobacteria - green algae - red algae
the water potential is higher in the potato than the sugar solution
gymnosperms
28. Three generations of gymnosperms
anaphase
maternal sporophyte - gametophyte - daughter sporophyte
ground tissue
polar nuclei
29. What process involves the movement of water across a semi-permeable membrane?
biome
hormones are produced in a part of a plant and act in another part.
RNA
osmosis
30. What is a final product of glycolysis?
iris diaphragm
lumen
pyruvate
bocarnia
31. What type of fruit develops from a cluster of many simple flowers?
multiple
cyanobacteria - green algae - red algae
bocarnia
nitrogenous base
32. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
-organelles -cytosol -nucleus
a changing/heterogeneous environment
DNA
lipids
33. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
bocarnia
lichens
chlorophyll-A
vascular cambium
34. What contains the most potential energy?
tRNA
gymnosperms
resonance
starch
35. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
bryophytes
lichens
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
welwichsia
36. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
pasteurization
40x
heterozygous
butcher's broom
37. 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?
fuzzy plant
S-phase
the water potential is higher in the potato than the sugar solution
tRNA
38. Heating up bacteria until it is harmless and cannot function.
effects of rising carbon dioxide
pathogens
lack of available oxygen
pasteurization
39. What are harmful effects of bacteria?
accessory
absorption of water
pathogens
pitcher plant
40. Where in a plant is the water potential lowest?
lipids
leaf
ethylene
prophase
41. What tissue can be found in a root but not in a stem?
sister chromatids
xylem
seed
pericycle
42. What tissue can be found in a root but not in a stem?
ferns
pitcher plant
pericycle
resonance
43. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
ferns
effects of rising carbon dioxide
both gymnosperms and angiosperms
44. What is a product of the biochemical reactions of photosynthesis?
protein
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
cone
starch
45. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
vascular cambium
transcription
nucleus
pericycle
46. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
bocarnia
transcription
multiple
47. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
welwichsia
multiple
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
48. What plant tissue functions in conducting water from the roots to the leaves?
heartwood
NOT a sperm - microspore - or egg cell
xylem
bocarnia
49. What best describes a dry fruit which opens at maturity?
biome
sister chromatids
dehiscent
pasteurization
50. What are homologous chromosomes?
leaf
pitcher plant
water
pairs of chromosomes that each carry an allele for a given trait
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