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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 hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
seed
cytokinnin
synthesis of proteins
structural support
2. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
-organelles -cytosol -nucleus
active transport
a changing/heterogeneous environment
pasteurization
3. Which substances pass through the open stomata of a leaf?
2
-water vapor -oxygen -carbon dioxide
potato
mRNA
4. 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
orchids
chlorophyll-A
NOT a sperm - microspore - or egg cell
5. Which part of aerobic respiration results in the production of CO2?
pasteurization
multiple
krebs cycle
translation
6. 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
welwichsia
ferns
nucleus
7. Where in a dicot leaf does the majority of photosynthesis occur?
resonance
palisade mesophyll
pairs of chromosomes that each carry an allele for a given trait
maternal sporophyte - gametophyte - daughter sporophyte
8. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
-water vapor -oxygen -carbon dioxide
prokaryotes
ghost plant
effects of rising carbon dioxide
9. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
NOT a sperm - microspore - or egg cell
osmosis
biome
eukaryotes
10. What pigment is responsible for plants sensing day length?
pairs of chromosomes that each carry an allele for a given trait
lumen
pathogens
phytochrome
11. What is a final product of aerobic respiration?
butcher's broom
anaphase
bryophytes
carbon dioxide
12. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
the water potential is higher in the potato than the sugar solution
ground tissue
artificial selection
vascular cambium
13. You can determine the age of a woody branch by counting these
ghost plant
lichens
bud scale scars
a changing/heterogeneous environment
14. What organelle do guard cells contain that other epidermal cells lack?
lumen
pericycle
chloroplasts
radial arrangement
15. What structure is MOST important in generating root pressure?
endodermis
vascular cambium
chloroplasts
-regulate water loss -regulate gas exchange -allow light to enter the leaf
16. What is the function of the cortex in a root?
protein
storage
polar nuclei
nucleus
17. What type of RNA has a codon?
mRNA
multiple
tRNA
potato
18. What is a final product of aerobic respiration?
carbon dioxide
absorption of water
starch
starch
19. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
iris diaphragm
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
translation
artificial selection
20. In what part of a flower is pollen produced?
active transport
electron transport chain
polar nuclei
anther
21. 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
effects of rising carbon dioxide
both gymnosperms and angiosperms
krebs cycle
active transport
22. Change in gene frequency in a gene population over time.
evolution
pathogens
carbon dioxide
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
23. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
leaf
potato
natural selection
xylem
24. Which commonly eaten food is an example of a stem?
potato
krebs cycle -glycolysis
absorption of water
the water potential is higher in the potato than the sugar solution
25. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
carbon dioxide
natural selection
bocarnia
translation
26. 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
effects of rising carbon dioxide
storage
lichens
nucleus
27. What plant tissue functions in conducting water from the roots to the leaves?
bryophytes
pyruvate
multiple
xylem
28. What is a reactant in the photochemical reactions of photosynthesis?
palisade mesophyll
water
phytochrome
2
29. What is the primary function of collenchyma cells?
starch
structural support
pasteurization
both gymnosperms and angiosperms
30. What organelle was observable in the onion epidermis stained with iodine?
anaphase
abscistic acid
protein
nucleus
31. What tissue can be found in a root but not in a stem?
RNA
pairs of chromosomes that each carry an allele for a given trait
pericycle
leaf
32. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
fungi
starch
-organelles -cytosol -nucleus
bocarnia
33. What is NOT a structure found on a typical flowering plant?
artificial selection
nucleus
synthesis of proteins
cone
34. How do bacteria reproduce?
polar nuclei
bionary fission and asexually
hormones are produced in a part of a plant and act in another part.
nucleus
35. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
electron transport chain
seed
starch
bocarnia
36. Where in a dicot leaf does the majority of photosynthesis occur?
interrupt the dark period with several minutes of light
accessory
palisade mesophyll
protein
37. During which phase of the cell cycle does DNA replication occur?
ADP
interrupt the dark period with several minutes of light
RNA
S-phase
38. What hormone is most important in the ripening of fruits?
iris diaphragm
ethylene
2
fuzzy plant
39. Have a cell wall - no membrane - and no nucleus
chlorophyll-A
cyanobacteria - green algae - red algae
maternal sporophyte - gametophyte - daughter sporophyte
prokaryotes
40. What is NOT a product of the krebs cycle?
ground tissue
ferns
dehiscent
ADP
41. What contains the most potential energy?
biome
xylem
starch
prophase
42. 'Alleles' are best described as...
bionary fission and asexually
vascular cambium
starch
versions of a gene
43. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
prokaryotes
accessory
resonance
bocarnia
44. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
prokaryotes
lichens
carbon dioxide
-regulate water loss -regulate gas exchange -allow light to enter the leaf
45. Have a cell wall - no membrane - and no nucleus
seed
prokaryotes
chlorophyll-A
pairs of chromosomes that each carry an allele for a given trait
46. What organelle was observable in the onion epidermis stained with iodine?
bryophytes
pasteurization
nucleus
versions of a gene
47. Vascular and seed bearing
storage
-regulate water loss -regulate gas exchange -allow light to enter the leaf
natural selection
both gymnosperms and angiosperms
48. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
potato
iris diaphragm
bionary fission and asexually
ghost plant
49. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
multiple
accessory
zone of maturation
S-phase
50. Transferring of the information from the DNA into the language of the mRNA.
andom particle movement results in a net movement from high to low concentration
gymnosperms
starch
translation