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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 BEST describes plant hormones?
carbon dioxide
ferns
tRNA
hormones are produced in a part of a plant and act in another part.
2. What is considered part of the protoplast?
-organelles -cytosol -nucleus
-water vapor -oxygen -carbon dioxide
lipids
biome
3. 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?
dehiscent
bryophytes
the water potential is higher in the potato than the sugar solution
NOT a sperm - microspore - or egg cell
4. Under what conditions would a plant utilize fermentation to obtain energy?
lack of available oxygen
-regulate water loss -regulate gas exchange -allow light to enter the leaf
cheese - yogurt - pharmaceuticals
evolution
5. Have a cell wall - no membrane - and no nucleus
water
pyruvate
welwichsia
prokaryotes
6. How is algae different from 'true' plants?
RNA
starch
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
multiple
7. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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8. Vascular and seed bearing
both gymnosperms and angiosperms
radial arrangement
chlorophyll-A
natural selection
9. During which phase of mitosis do the sister chromatids separate?
seed
anaphase
radial arrangement
telophase-I
10. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
bud scale scars
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
lack of available oxygen
cytokinnin
11. What is a function of the epidermis?
storage
mRNA
-regulate water loss -regulate gas exchange -allow light to enter the leaf
osmosis
12. How is algae different from 'true' plants?
both gymnosperms and angiosperms
synthesis of proteins
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
multiple
13. Enzymes are an example of what type of molecule?
ferns
both gymnosperms and angiosperms
cone
protein
14. What contains the most potential energy?
starch
natural selection
heterozygous
active transport
15. Epiphytes - valemine breaks down compost in roots
cytokinnin
orchids
nitrogenous base
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
16. What are harmful effects of bacteria?
pathogens
zone of maturation
active transport
pericycle
17. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
the water potential is higher in the potato than the sugar solution
bud scale scars
lichens
artificial selection
18. Under what conditions would a plant utilize fermentation to obtain energy?
interrupt the dark period with several minutes of light
pairs of chromosomes that each carry an allele for a given trait
lack of available oxygen
S-phase
19. 'Alleles' are best described as...
accessory
active transport
synthesis of proteins
versions of a gene
20. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
pathogens
DNA
potato
anaphase
21. What would be a way of keeping a short-day plant from blooming?
provide nutrients for a developing embryo
interrupt the dark period with several minutes of light
osmosis
mangrove
22. Change in gene frequency in a gene population over time.
synthesis of proteins
protein
lipids
evolution
23. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
effects of rising carbon dioxide
2
leaf
a changing/heterogeneous environment
24. Transfer of DNA to RNA
-water vapor -oxygen -carbon dioxide
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
andom particle movement results in a net movement from high to low concentration
transcription
25. 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?
leaf
the water potential is higher in the potato than the sugar solution
both gymnosperms and angiosperms
osmosis
26. During which phase of the cell cycle does DNA replication occur?
S-phase
krebs cycle -glycolysis
synthesis of proteins
mangrove
27. Where in a dicot leaf does the majority of photosynthesis occur?
ground tissue
provide nutrients for a developing embryo
palisade mesophyll
-water vapor -oxygen -carbon dioxide
28. During which phase of the cell cycle does DNA replication occur?
sister chromatids
2
zone of maturation
S-phase
29. What are homologous chromosomes?
pairs of chromosomes that each carry an allele for a given trait
gymnosperms
nucleus
protein
30. How does DNA replication take place?
ghost plant
bryophytes
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
structural support
31. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
starch
-water vapor -oxygen -carbon dioxide
ferns
polar nuclei
32. What is a product of the biochemical reactions of photosynthesis?
protein
electron transport chain
eukaryotes
starch
33. What is NOT a structure found on a typical flowering plant?
resonance
mRNA
cone
absorption of water
34. What is a final product of aerobic respiration?
translation
carbon dioxide
NOT a sperm - microspore - or egg cell
sister chromatids
35. Transferring of the information from the DNA into the language of the mRNA.
bocarnia
translation
bionary fission and asexually
zone of maturation
36. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
the water potential is higher in the potato than the sugar solution
vascular cambium
pitcher plant
ferns
37. Which part of aerobic respiration results in the production of CO2?
pitcher plant
ADP
RNA
krebs cycle
38. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
leaf
telophase-I
abscistic acid
39. Heating up bacteria until it is harmless and cannot function.
pasteurization
welwichsia
ethylene
accessory
40. 'Alleles' are best described as...
versions of a gene
40x
water
synthesis of proteins
41. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
versions of a gene
natural selection
S-phase
42. What pigment is responsible for plants sensing day length?
palisade mesophyll
phytochrome
pasteurization
andom particle movement results in a net movement from high to low concentration
43. What is a final product of glycolysis?
electron transport chain
a changing/heterogeneous environment
the water potential is higher in the potato than the sugar solution
pyruvate
44. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
fuzzy plant
-water vapor -oxygen -carbon dioxide
endodermis
45. What is a final product of glycolysis?
pyruvate
lichens
protein
butcher's broom
46. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
biome
gymnosperms
polar nuclei
abscistic acid
47. What process involves the movement of water across a semi-permeable membrane?
radial arrangement
pericycle
phytochrome
osmosis
48. In what portion of a root might you find 'root hairs'?
natural selection
a changing/heterogeneous environment
zone of maturation
accessory
49. What part of a stem can a tree live without?
-water vapor -oxygen -carbon dioxide
gymnosperms
heartwood
sister chromatids
50. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
krebs cycle -glycolysis
mangrove
palisade mesophyll
osmosis