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Test your basic knowledge |
Botany Test
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Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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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 a dry fruit which opens at maturity?
chlorophyll-A
pericycle
absorption of water
dehiscent
2. Bugs crawl into 'pitchers' - tiny hairs keep them from getting out - plant breaks down enzymes - and uses nitrogen. lives in places where nitrogen is limited.
pitcher plant
interrupt the dark period with several minutes of light
a changing/heterogeneous environment
cheese - yogurt - pharmaceuticals
3. Have a cell wall - no membrane - and no nucleus
polar nuclei
lichens
pitcher plant
prokaryotes
4. What is NOT a product of the krebs cycle?
ADP
sister chromatids
orchids
palisade mesophyll
5. 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.
welwichsia
versions of a gene
zone of maturation
eukaryotes
6. What organelle contains DNA?
maternal sporophyte - gametophyte - daughter sporophyte
prophase
nucleus
endodermis
7. What is the function of the cortex in a root?
anther
starch
transcription
storage
8. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
NOT a sperm - microspore - or egg cell
starch
mRNA
ground tissue
9. What are adenine - guanine - thymine - cytosine?
nitrogenous base
storage
anaphase
-water vapor -oxygen -carbon dioxide
10. What is the function of the cortex in a root?
natural selection
bocarnia
storage
absorption of water
11. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
resonance
transcription
ferns
accessory
12. How do bacteria reproduce?
nucleus
abscistic acid
bionary fission and asexually
storage
13. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
bryophytes
lichens
fungi
andom particle movement results in a net movement from high to low concentration
14. Vascular and seed bearing
anther
interrupt the dark period with several minutes of light
both gymnosperms and angiosperms
pericycle
15. What organelle was observable in the onion epidermis stained with iodine?
pyruvate
hormones are produced in a part of a plant and act in another part.
bud scale scars
nucleus
16. What are the major groups of algae?
cyanobacteria - green algae - red algae
accessory
pairs of chromosomes that each carry an allele for a given trait
natural selection
17. During which phase of mitosis does the nuclear envelope disappear?
orchids
artificial selection
anther
prophase
18. During which phase of the cell cycle does DNA replication occur?
nucleus
evolution
S-phase
accessory
19. 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
potato
prokaryotes
krebs cycle
gymnosperms
20. Under what conditions would a plant utilize fermentation to obtain energy?
lack of available oxygen
-water vapor -oxygen -carbon dioxide
-organelles -cytosol -nucleus
2
21. Change in gene frequency in a gene population over time.
evolution
ground tissue
telophase-I
chlorophyll-A
22. What plant tissue functions in conducting water from the roots to the leaves?
krebs cycle -glycolysis
structural support
bionary fission and asexually
xylem
23. What is the main function of the roots of a corn plant?
pathogens
absorption of water
bud scale scars
mRNA
24. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
xylem
pyruvate
bud scale scars
25. What separates during meiosis-II
active transport
sister chromatids
structural support
bionary fission and asexually
26. What process involves the movement of water across a semi-permeable membrane?
artificial selection
osmosis
40x
gymnosperms
27. How is algae different from 'true' plants?
fungi
anther
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
pitcher plant
28. What is NOT a structure found on a typical flowering plant?
pairs of chromosomes that each carry an allele for a given trait
iris diaphragm
cone
evolution
29. What are adenine - guanine - thymine - cytosine?
protein
nitrogenous base
maternal sporophyte - gametophyte - daughter sporophyte
heartwood
30. What BEST describes plant hormones?
electron transport chain
sister chromatids
hormones are produced in a part of a plant and act in another part.
lipids
31. What organelle was observable in the onion epidermis stained with iodine?
cheese - yogurt - pharmaceuticals
nucleus
bocarnia
bionary fission and asexually
32. Which commonly eaten food is an example of a stem?
carbon dioxide
gymnosperms
potato
multiple
33. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
resonance
pericycle
bocarnia
vascular cambium
34. What organelle contains DNA?
butcher's broom
artificial selection
nucleus
eukaryotes
35. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
structural support
osmosis
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
36. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
synthesis of proteins
a changing/heterogeneous environment
ghost plant
2
37. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
protein
pericycle
-water vapor -oxygen -carbon dioxide
artificial selection
38. What are harmful effects of bacteria?
prophase
pathogens
krebs cycle
maternal sporophyte - gametophyte - daughter sporophyte
39. What part of a stem can a tree live without?
bocarnia
heartwood
bocarnia
storage
40. 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?
pitcher plant
cyanobacteria - green algae - red algae
the water potential is higher in the potato than the sugar solution
biome
41. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
potato
DNA
natural selection
artificial selection
42. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
starch
starch
iris diaphragm
natural selection
43. How many sperm cells does each pollen grain typically carry?
structural support
2
ethylene
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
44. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
vascular cambium
fuzzy plant
cyanobacteria - green algae - red algae
polar nuclei
45. Info. carrying molecule - single stranded
ghost plant
NOT a sperm - microspore - or egg cell
RNA
pyruvate
46. What is a final product of aerobic respiration?
chlorophyll-A
ethylene
carbon dioxide
vascular cambium
47. What separates during meiosis-II
sister chromatids
resonance
pasteurization
potato
48. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
bud scale scars
both gymnosperms and angiosperms
potato
49. What process involves the movement of water across a semi-permeable membrane?
osmosis
carbon dioxide
welwichsia
mRNA
50. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
nucleus
lichens
fungi
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