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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. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
butcher's broom
bocarnia
cyanobacteria - green algae - red algae
fungi
2. In what portion of a root might you find 'root hairs'?
2
zone of maturation
-water vapor -oxygen -carbon dioxide
fuzzy plant
3. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
bryophytes
zone of maturation
cytokinnin
artificial selection
4. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
pitcher plant
mangrove
telophase-I
natural selection
5. What is NOT a structure found on a typical flowering plant?
cone
a changing/heterogeneous environment
NOT a sperm - microspore - or egg cell
ADP
6. 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.
transcription
krebs cycle -glycolysis
heterozygous
pitcher plant
7. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
40x
lack of available oxygen
anaphase
pyruvate
8. Which part of aerobic respiration results in the production of CO2?
evolution
krebs cycle
mRNA
telophase-I
9. Transfer of DNA to RNA
transcription
cytokinnin
bud scale scars
provide nutrients for a developing embryo
10. How many sperm cells does each pollen grain typically carry?
2
interrupt the dark period with several minutes of light
natural selection
mangrove
11. What is a product of the biochemical reactions of photosynthesis?
starch
leaf
S-phase
artificial selection
12. What process involves the movement of water across a semi-permeable membrane?
welwichsia
osmosis
chlorophyll-A
cytokinnin
13. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
40x
carbon dioxide
-organelles -cytosol -nucleus
14. Heating up bacteria until it is harmless and cannot function.
pasteurization
polar nuclei
cone
mRNA
15. What is NOT a function of the vacuole?
xylem
synthesis of proteins
multiple
mangrove
16. What type of RNA has an anticodon?
bocarnia
tRNA
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
active transport
17. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
NOT a sperm - microspore - or egg cell
prophase
abscistic acid
pasteurization
18. What BEST describes plant hormones?
nucleus
hormones are produced in a part of a plant and act in another part.
carbon dioxide
vascular cambium
19. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
accessory
tRNA
krebs cycle -glycolysis
-regulate water loss -regulate gas exchange -allow light to enter the leaf
20. What is a function of the epidermis?
maternal sporophyte - gametophyte - daughter sporophyte
radial arrangement
-regulate water loss -regulate gas exchange -allow light to enter the leaf
lack of available oxygen
21. What part of a stem can a tree live without?
ground tissue
heartwood
xylem
pasteurization
22. What type of RNA has a codon?
effects of rising carbon dioxide
mRNA
provide nutrients for a developing embryo
tRNA
23. What is NOT a product of the krebs cycle?
bryophytes
effects of rising carbon dioxide
cone
ADP
24. During which phase of mitosis do the sister chromatids separate?
chloroplasts
anaphase
nucleus
ghost plant
25. What is the role of endosperm?
ground tissue
chlorophyll-A
hormones are produced in a part of a plant and act in another part.
provide nutrients for a developing embryo
26. How many sperm cells does each pollen grain typically carry?
2
bocarnia
lichens
S-phase
27. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
S-phase
biome
chloroplasts
ferns
28. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
ferns
heterozygous
bocarnia
resonance
29. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
bocarnia
provide nutrients for a developing embryo
abscistic acid
nucleus
30. During which phase of meiosis do daughter cells become haploid?
sister chromatids
active transport
telophase-I
prokaryotes
31. What is the main function of the roots of a corn plant?
pasteurization
natural selection
fungi
absorption of water
32. How do bacteria reproduce?
andom particle movement results in a net movement from high to low concentration
nitrogenous base
bionary fission and asexually
evolution
33. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
40x
endodermis
DNA
a changing/heterogeneous environment
34. How does DNA replication take place?
prokaryotes
-water vapor -oxygen -carbon dioxide
nitrogenous base
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
35. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
prokaryotes
translation
pasteurization
lichens
36. Heating up bacteria until it is harmless and cannot function.
lack of available oxygen
pasteurization
gymnosperms
absorption of water
37. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
vascular cambium
synthesis of proteins
interrupt the dark period with several minutes of light
mangrove
38. What are beneficial products made from bacteria?
evolution
bryophytes
cheese - yogurt - pharmaceuticals
40x
39. What cell undergoes meiosis?
structural support
electron transport chain
potato
NOT a sperm - microspore - or egg cell
40. Which part of aerobic respiration results in the production of CO2?
pyruvate
krebs cycle
anther
nitrogenous base
41. What is NOT a product of the krebs cycle?
ADP
prokaryotes
gymnosperms
protein
42. What pigment absorbs energy and can emit an electron in photosynthesis?
chlorophyll-A
cheese - yogurt - pharmaceuticals
krebs cycle
provide nutrients for a developing embryo
43. Where in a dicot leaf does the majority of photosynthesis occur?
2
palisade mesophyll
RNA
maternal sporophyte - gametophyte - daughter sporophyte
44. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
xylem
fuzzy plant
endodermis
nucleus
45. 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
anther
dehiscent
provide nutrients for a developing embryo
46. What are homologous chromosomes?
-organelles -cytosol -nucleus
pairs of chromosomes that each carry an allele for a given trait
leaf
phytochrome
47. Info. carrying molecule - single stranded
fuzzy plant
electron transport chain
RNA
phytochrome
48. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
ferns
tRNA
interrupt the dark period with several minutes of light
gymnosperms
49. How do bacteria reproduce?
hormones are produced in a part of a plant and act in another part.
pitcher plant
bionary fission and asexually
effects of rising carbon dioxide
50. What pigment absorbs energy and can emit an electron in photosynthesis?
chlorophyll-A
prophase
-organelles -cytosol -nucleus
interrupt the dark period with several minutes of light