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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. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
heterozygous
biome
translation
fungi
2. How is algae different from 'true' plants?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
maternal sporophyte - gametophyte - daughter sporophyte
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
andom particle movement results in a net movement from high to low concentration
3. What organelle do guard cells contain that other epidermal cells lack?
abscistic acid
bud scale scars
chloroplasts
-organelles -cytosol -nucleus
4. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
gymnosperms
starch
anther
lichens
5. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
-water vapor -oxygen -carbon dioxide
lumen
starch
6. What are the major groups of algae?
a changing/heterogeneous environment
anaphase
nucleus
cyanobacteria - green algae - red algae
7. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
telophase-I
-organelles -cytosol -nucleus
ethylene
lumen
8. What type of fruit develops from a cluster of many simple flowers?
multiple
eukaryotes
bionary fission and asexually
anther
9. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
-regulate water loss -regulate gas exchange -allow light to enter the leaf
xylem
bryophytes
artificial selection
10. What is a final product of aerobic respiration?
protein
vascular cambium
eukaryotes
carbon dioxide
11. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
leaf
transcription
dehiscent
biome
12. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
fuzzy plant
mangrove
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
phytochrome
13. NO vascular tissue - NO roots - have modified photosynthetic tissue to help it absorb carbon dioxide without losing too much water - can survive in variety of environments - seedless - and commonly seen as mosses - hornworts - and liverworts.
gymnosperms
bryophytes
anther
active transport
14. Under what conditions would a plant utilize fermentation to obtain energy?
polar nuclei
structural support
resonance
lack of available oxygen
15. During which phase of the cell cycle does DNA replication occur?
phytochrome
structural support
translation
S-phase
16. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
mRNA
2
ferns
orchids
17. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
starch
fungi
pyruvate
potato
18. What organelle do guard cells contain that other epidermal cells lack?
nitrogenous base
starch
RNA
chloroplasts
19. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
biome
storage
a changing/heterogeneous environment
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
20. What best describes a dry fruit which opens at maturity?
the water potential is higher in the potato than the sugar solution
2
dehiscent
abscistic acid
21. What are the major groups of algae?
cyanobacteria - green algae - red algae
palisade mesophyll
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
-water vapor -oxygen -carbon dioxide
22. What are homologous chromosomes?
-organelles -cytosol -nucleus
pairs of chromosomes that each carry an allele for a given trait
transcription
fuzzy plant
23. What are harmful effects of bacteria?
pathogens
xylem
structural support
pasteurization
24. 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.
starch
pairs of chromosomes that each carry an allele for a given trait
pitcher plant
cytokinnin
25. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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183
26. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
telophase-I
-water vapor -oxygen -carbon dioxide
abscistic acid
ghost plant
27. What is a function of the epidermis?
bryophytes
-regulate water loss -regulate gas exchange -allow light to enter the leaf
artificial selection
S-phase
28. Which part of aerobic respiration results in the production of CO2?
krebs cycle
a changing/heterogeneous environment
prophase
lack of available oxygen
29. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
bocarnia
water
heterozygous
biome
30. During which phase of mitosis does the nuclear envelope disappear?
active transport
prophase
ADP
-organelles -cytosol -nucleus
31. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
abscistic acid
lack of available oxygen
bocarnia
krebs cycle -glycolysis
32. 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?
both gymnosperms and angiosperms
the water potential is higher in the potato than the sugar solution
evolution
a changing/heterogeneous environment
33. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
lack of available oxygen
cyanobacteria - green algae - red algae
krebs cycle -glycolysis
biome
34. During which phase of the cell cycle does DNA replication occur?
bionary fission and asexually
lipids
S-phase
fungi
35. What tissue can be found in a root but not in a stem?
pericycle
bionary fission and asexually
protein
iris diaphragm
36. What are adenine - guanine - thymine - cytosine?
interrupt the dark period with several minutes of light
bocarnia
nitrogenous base
prokaryotes
37. How many sperm cells does each pollen grain typically carry?
lumen
butcher's broom
2
both gymnosperms and angiosperms
38. What is a reactant in the photochemical reactions of photosynthesis?
accessory
absorption of water
pericycle
water
39. 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?
pairs of chromosomes that each carry an allele for a given trait
DNA
the water potential is higher in the potato than the sugar solution
fungi
40. What is NOT a structure found on a typical flowering plant?
xylem
andom particle movement results in a net movement from high to low concentration
cone
provide nutrients for a developing embryo
41. Heating up bacteria until it is harmless and cannot function.
ferns
starch
pasteurization
storage
42. What contains the most potential energy?
storage
pathogens
ferns
starch
43. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
absorption of water
natural selection
translation
gymnosperms
44. You can determine the age of a woody branch by counting these
bud scale scars
dehiscent
pathogens
resonance
45. What is a product of the biochemical reactions of photosynthesis?
multiple
lack of available oxygen
-organelles -cytosol -nucleus
starch
46. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
protein
bionary fission and asexually
DNA
47. What organelle contains DNA?
nucleus
lipids
prophase
a changing/heterogeneous environment
48. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
ethylene
transcription
cytokinnin
lichens
49. 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.
storage
-water vapor -oxygen -carbon dioxide
maternal sporophyte - gametophyte - daughter sporophyte
welwichsia
50. Which substances pass through the open stomata of a leaf?
palisade mesophyll
-water vapor -oxygen -carbon dioxide
structural support
starch