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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. Epiphytes - valemine breaks down compost in roots
versions of a gene
orchids
pathogens
-organelles -cytosol -nucleus
2. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
zone of maturation
a changing/heterogeneous environment
vascular cambium
ghost plant
3. During which phase of mitosis does the nuclear envelope disappear?
andom particle movement results in a net movement from high to low concentration
prophase
lack of available oxygen
pathogens
4. What is considered part of the protoplast?
-organelles -cytosol -nucleus
interrupt the dark period with several minutes of light
welwichsia
fuzzy plant
5. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
RNA
anaphase
pericycle
6. Have a cell wall - no membrane - and no nucleus
lack of available oxygen
bud scale scars
krebs cycle
prokaryotes
7. In what part of a flower is pollen produced?
anther
mRNA
starch
anaphase
8. Vascular and seed bearing
mangrove
zone of maturation
both gymnosperms and angiosperms
S-phase
9. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
pericycle
sister chromatids
storage
artificial selection
10. Have a nucleus - and a cell membrane
eukaryotes
multiple
protein
bryophytes
11. What would be a way of keeping a short-day plant from blooming?
accessory
interrupt the dark period with several minutes of light
orchids
S-phase
12. How does DNA replication take place?
effects of rising carbon dioxide
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
pericycle
13. What is a product of the biochemical reactions of photosynthesis?
water
ADP
nucleus
starch
14. What type of fruit develops from a cluster of many simple flowers?
ethylene
heartwood
cheese - yogurt - pharmaceuticals
multiple
15. What causes diffusion of gases to occur?
tRNA
andom particle movement results in a net movement from high to low concentration
structural support
electron transport chain
16. What are harmful effects of bacteria?
ethylene
chlorophyll-A
pathogens
krebs cycle
17. What cell undergoes meiosis?
anaphase
krebs cycle -glycolysis
cone
NOT a sperm - microspore - or egg cell
18. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
ghost plant
-regulate water loss -regulate gas exchange -allow light to enter the leaf
mangrove
polar nuclei
19. In what portion of a root might you find 'root hairs'?
ghost plant
zone of maturation
butcher's broom
butcher's broom
20. Which part of aerobic respiration generates the most ATP?
electron transport chain
active transport
potato
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
21. What structure is MOST important in generating root pressure?
pathogens
ethylene
endodermis
biome
22. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
structural support
pyruvate
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
natural selection
23. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
orchids
krebs cycle -glycolysis
absorption of water
bud scale scars
24. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
accessory
zone of maturation
cytokinnin
nucleus
25. Which substances pass through the open stomata of a leaf?
bud scale scars
-water vapor -oxygen -carbon dioxide
absorption of water
bionary fission and asexually
26. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
radial arrangement
both gymnosperms and angiosperms
bryophytes
27. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
mRNA
storage
polar nuclei
ghost plant
28. What type of RNA has an anticodon?
water
tRNA
heterozygous
heterozygous
29. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
RNA
endodermis
fungi
structural support
30. What are the major groups of algae?
biome
cyanobacteria - green algae - red algae
lichens
nucleus
31. Where in a plant is the water potential lowest?
cytokinnin
2
leaf
artificial selection
32. Transfer of DNA to RNA
transcription
ethylene
provide nutrients for a developing embryo
starch
33. During which phase of meiosis do daughter cells become haploid?
multiple
DNA
pericycle
telophase-I
34. What organelle was observable in the onion epidermis stained with iodine?
mangrove
nucleus
structural support
bryophytes
35. How do bacteria reproduce?
vascular cambium
bionary fission and asexually
artificial selection
transcription
36. What pigment is responsible for plants sensing day length?
ADP
phytochrome
krebs cycle
lipids
37. Heating up bacteria until it is harmless and cannot function.
interrupt the dark period with several minutes of light
heterozygous
pasteurization
chloroplasts
38. 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
resonance
transcription
gymnosperms
krebs cycle -glycolysis
39. In what portion of a root might you find 'root hairs'?
andom particle movement results in a net movement from high to low concentration
endodermis
potato
zone of maturation
40. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
mRNA
telophase-I
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
41. What pigment absorbs energy and can emit an electron in photosynthesis?
leaf
2
chlorophyll-A
palisade mesophyll
42. What organelle do guard cells contain that other epidermal cells lack?
sister chromatids
chloroplasts
both gymnosperms and angiosperms
nucleus
43. What is NOT a product of the krebs cycle?
anther
ADP
bud scale scars
abscistic acid
44. Change in gene frequency in a gene population over time.
seed
evolution
cytokinnin
potato
45. How does DNA replication take place?
translation
biome
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
the water potential is higher in the potato than the sugar solution
46. What best describes a dry fruit which opens at maturity?
dehiscent
the water potential is higher in the potato than the sugar solution
nucleus
lipids
47. Have a nucleus - and a cell membrane
prokaryotes
fuzzy plant
phytochrome
eukaryotes
48. In what part of a flower is pollen produced?
a changing/heterogeneous environment
anther
pairs of chromosomes that each carry an allele for a given trait
prophase
49. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
artificial selection
natural selection
lumen
mangrove
50. What plant tissue functions in conducting water from the roots to the leaves?
xylem
prophase
lack of available oxygen
effects of rising carbon dioxide