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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 is considered part of the protoplast?
accessory
fungi
-organelles -cytosol -nucleus
ferns
2. Change in gene frequency in a gene population over time.
ground tissue
chloroplasts
evolution
accessory
3. 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.
gymnosperms
hormones are produced in a part of a plant and act in another part.
welwichsia
tRNA
4. What type of fruit develops from a cluster of many simple flowers?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
DNA
active transport
multiple
5. 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
electron transport chain
anaphase
butcher's broom
6. You can determine the age of a woody branch by counting these
butcher's broom
cyanobacteria - green algae - red algae
cyanobacteria - green algae - red algae
bud scale scars
7. What type of fruit develops from a cluster of many simple flowers?
multiple
ghost plant
cone
artificial selection
8. What causes diffusion of gases to occur?
multiple
bocarnia
andom particle movement results in a net movement from high to low concentration
pyruvate
9. What is the role of endosperm?
storage
ferns
provide nutrients for a developing embryo
krebs cycle -glycolysis
10. How are the vascular bundles of a dicot arranged in the stem?
osmosis
anther
ferns
radial arrangement
11. In what portion of a root might you find 'root hairs'?
cytokinnin
polar nuclei
zone of maturation
pairs of chromosomes that each carry an allele for a given trait
12. What organelle was observable in the onion epidermis stained with iodine?
welwichsia
ADP
fuzzy plant
nucleus
13. Cladifils- modified stems that look like leaves - all parts are photosynthetic
14. Info. carrying molecule - single stranded
-regulate water loss -regulate gas exchange -allow light to enter the leaf
abscistic acid
RNA
hormones are produced in a part of a plant and act in another part.
15. Cladifils- modified stems that look like leaves - all parts are photosynthetic
16. What separates during meiosis-II
sister chromatids
osmosis
pairs of chromosomes that each carry an allele for a given trait
starch
17. What would be a way of keeping a short-day plant from blooming?
2
RNA
interrupt the dark period with several minutes of light
active transport
18. Under what conditions would a plant utilize fermentation to obtain energy?
lipids
abscistic acid
DNA
lack of available oxygen
19. 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
cytokinnin
butcher's broom
absorption of water
20. Heating up bacteria until it is harmless and cannot function.
gymnosperms
pasteurization
bud scale scars
palisade mesophyll
21. What tissue can be found in a root but not in a stem?
pericycle
anther
seed
bocarnia
22. What organelle do guard cells contain that other epidermal cells lack?
electron transport chain
polar nuclei
maternal sporophyte - gametophyte - daughter sporophyte
chloroplasts
23. What is the main function of the roots of a corn plant?
cone
polar nuclei
active transport
absorption of water
24. What are the major groups of algae?
sister chromatids
accessory
cyanobacteria - green algae - red algae
mRNA
25. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
ferns
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
bionary fission and asexually
hormones are produced in a part of a plant and act in another part.
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
pyruvate
evolution
-water vapor -oxygen -carbon dioxide
27. Three generations of gymnosperms
electron transport chain
maternal sporophyte - gametophyte - daughter sporophyte
butcher's broom
accessory
28. What is NOT a product of the krebs cycle?
vascular cambium
vascular cambium
lichens
ADP
29. In what part of a flower is pollen produced?
potato
effects of rising carbon dioxide
anther
heterozygous
30. Which part of aerobic respiration generates the most ATP?
pyruvate
electron transport chain
bryophytes
both gymnosperms and angiosperms
31. 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
resonance
nitrogenous base
radial arrangement
32. What tissue can be found in a root but not in a stem?
synthesis of proteins
fungi
structural support
pericycle
33. Transferring of the information from the DNA into the language of the mRNA.
translation
synthesis of proteins
chlorophyll-A
bud scale scars
34. A plant that carries two different versions of a gene for a single trait is...
dehiscent
cyanobacteria - green algae - red algae
heterozygous
effects of rising carbon dioxide
35. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
electron transport chain
sister chromatids
polar nuclei
36. During which phase of mitosis does the nuclear envelope disappear?
prophase
both gymnosperms and angiosperms
mRNA
NOT a sperm - microspore - or egg cell
37. Have a cell wall - no membrane - and no nucleus
orchids
pasteurization
prokaryotes
vascular cambium
38. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
transcription
artificial selection
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
mangrove
39. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
anther
vascular cambium
structural support
40. What type of RNA has a codon?
evolution
anaphase
mRNA
polar nuclei
41. What process involves the movement of water across a semi-permeable membrane?
pathogens
osmosis
endodermis
potato
42. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
ferns
the water potential is higher in the potato than the sugar solution
a changing/heterogeneous environment
lichens
43. What pigment is responsible for plants sensing day length?
-organelles -cytosol -nucleus
phytochrome
fungi
structural support
44. Where in a dicot leaf does the majority of photosynthesis occur?
xylem
telophase-I
palisade mesophyll
bionary fission and asexually
45. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
lumen
transcription
prokaryotes
46. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
-organelles -cytosol -nucleus
fuzzy plant
accessory
47. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
cheese - yogurt - pharmaceuticals
starch
lipids
krebs cycle -glycolysis
48. What is a function of the epidermis?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
protein
-regulate water loss -regulate gas exchange -allow light to enter the leaf
mangrove
49. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
anther
mangrove
vascular cambium
lumen
50. What is a product of the biochemical reactions of photosynthesis?
cytokinnin
potato
prophase
starch