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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. During which phase of mitosis does the nuclear envelope disappear?
polar nuclei
xylem
prophase
nucleus
2. Change in gene frequency in a gene population over time.
evolution
butcher's broom
orchids
2
3. What cell undergoes meiosis?
ferns
NOT a sperm - microspore - or egg cell
ground tissue
leaf
4. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
seed
DNA
fungi
mangrove
5. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
nucleus
bocarnia
abscistic acid
provide nutrients for a developing embryo
6. What are the major groups of algae?
xylem
pyruvate
cyanobacteria - green algae - red algae
bud scale scars
7. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
ground tissue
starch
cyanobacteria - green algae - red algae
dehiscent
8. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
accessory
pasteurization
abscistic acid
andom particle movement results in a net movement from high to low concentration
9. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
tRNA
mangrove
40x
evolution
10. What organelle contains DNA?
gymnosperms
chloroplasts
ground tissue
nucleus
11. 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.
potato
S-phase
bocarnia
pitcher plant
12. 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?
the water potential is higher in the potato than the sugar solution
starch
radial arrangement
pericycle
13. What is the role of endosperm?
storage
fuzzy plant
chlorophyll-A
provide nutrients for a developing embryo
14. In what portion of a root might you find 'root hairs'?
hormones are produced in a part of a plant and act in another part.
bocarnia
fuzzy plant
zone of maturation
15. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
krebs cycle -glycolysis
DNA
fuzzy plant
bryophytes
16. What is the primary function of collenchyma cells?
cone
structural support
xylem
cytokinnin
17. Enzymes are an example of what type of molecule?
protein
orchids
ground tissue
lipids
18. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
hormones are produced in a part of a plant and act in another part.
tRNA
fuzzy plant
chloroplasts
19. 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.
lack of available oxygen
phytochrome
-regulate water loss -regulate gas exchange -allow light to enter the leaf
bryophytes
20. Which part of aerobic respiration results in the production of CO2?
krebs cycle
potato
lumen
prokaryotes
21. You can determine the age of a woody branch by counting these
bud scale scars
NOT a sperm - microspore - or egg cell
electron transport chain
potato
22. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
synthesis of proteins
versions of a gene
NOT a sperm - microspore - or egg cell
23. What hormone is most important in the ripening of fruits?
tRNA
starch
accessory
ethylene
24. How are the vascular bundles of a dicot arranged in the stem?
mangrove
carbon dioxide
krebs cycle
radial arrangement
25. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
cone
fungi
cytokinnin
mangrove
26. What is NOT a structure found on a typical flowering plant?
cone
vascular cambium
structural support
pathogens
27. Where in a plant is the water potential lowest?
leaf
bionary fission and asexually
sister chromatids
-water vapor -oxygen -carbon dioxide
28. What is a product of the biochemical reactions of photosynthesis?
bionary fission and asexually
electron transport chain
starch
endodermis
29. Change in gene frequency in a gene population over time.
structural support
evolution
electron transport chain
the water potential is higher in the potato than the sugar solution
30. What are harmful effects of bacteria?
pericycle
translation
ground tissue
pathogens
31. What is the function of the cortex in a root?
protein
storage
lichens
cyanobacteria - green algae - red algae
32. What is NOT a function of the vacuole?
eukaryotes
multiple
ground tissue
synthesis of proteins
33. What are harmful effects of bacteria?
anther
radial arrangement
synthesis of proteins
pathogens
34. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
hormones are produced in a part of a plant and act in another part.
fuzzy plant
absorption of water
35. What is a reactant in the photochemical reactions of photosynthesis?
gymnosperms
the water potential is higher in the potato than the sugar solution
S-phase
water
36. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
ethylene
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
biome
37. What pigment is responsible for plants sensing day length?
biome
phytochrome
lipids
andom particle movement results in a net movement from high to low concentration
38. Transferring of the information from the DNA into the language of the mRNA.
ferns
ghost plant
provide nutrients for a developing embryo
translation
39. What type of fruit develops from a cluster of many simple flowers?
multiple
pasteurization
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
xylem
40. During which phase of mitosis do the sister chromatids separate?
bud scale scars
anaphase
artificial selection
starch
41. What is a reactant in the photochemical reactions of photosynthesis?
water
both gymnosperms and angiosperms
versions of a gene
krebs cycle -glycolysis
42. Have a nucleus - and a cell membrane
xylem
cytokinnin
eukaryotes
fuzzy plant
43. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
storage
40x
-regulate water loss -regulate gas exchange -allow light to enter the leaf
welwichsia
44. What type of RNA has a codon?
mRNA
bionary fission and asexually
telophase-I
gymnosperms
45. Under what conditions would a plant utilize fermentation to obtain energy?
transcription
absorption of water
ground tissue
lack of available oxygen
46. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
bud scale scars
dehiscent
vascular cambium
osmosis
47. Which class of organic macromolecule stores the greatest amount of potential energy?
40x
heartwood
orchids
lipids
48. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
krebs cycle -glycolysis
xylem
natural selection
osmosis
49. How many sperm cells does each pollen grain typically carry?
2
cone
40x
pairs of chromosomes that each carry an allele for a given trait
50. What organelle was observable in the onion epidermis stained with iodine?
protein
anaphase
nucleus
the water potential is higher in the potato than the sugar solution