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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 are the major groups of algae?
fuzzy plant
mangrove
cyanobacteria - green algae - red algae
ghost plant
2. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
abscistic acid
dehiscent
cytokinnin
3. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
lipids
lumen
-organelles -cytosol -nucleus
ferns
4. Have a nucleus - and a cell membrane
starch
S-phase
cheese - yogurt - pharmaceuticals
eukaryotes
5. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
iris diaphragm
multiple
bionary fission and asexually
electron transport chain
6. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
welwichsia
accessory
ghost plant
versions of a gene
7. What is NOT a function of the vacuole?
bud scale scars
synthesis of proteins
electron transport chain
transcription
8. What organelle do guard cells contain that other epidermal cells lack?
gymnosperms
storage
starch
chloroplasts
9. What is the function of the cortex in a root?
mangrove
storage
sister chromatids
prophase
10. What is the main function of the roots of a corn plant?
absorption of water
fuzzy plant
effects of rising carbon dioxide
anaphase
11. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
DNA
accessory
pyruvate
12. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
translation
pitcher plant
krebs cycle -glycolysis
13. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
S-phase
maternal sporophyte - gametophyte - daughter sporophyte
anther
mangrove
14. What is NOT a structure found on a typical flowering plant?
pericycle
-regulate water loss -regulate gas exchange -allow light to enter the leaf
cheese - yogurt - pharmaceuticals
cone
15. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
tRNA
fungi
synthesis of proteins
accessory
16. What is a function of the epidermis?
lipids
pasteurization
cytokinnin
-regulate water loss -regulate gas exchange -allow light to enter the leaf
17. A plant that carries two different versions of a gene for a single trait is...
andom particle movement results in a net movement from high to low concentration
ground tissue
heterozygous
natural selection
18. What type of RNA has a codon?
radial arrangement
gymnosperms
natural selection
mRNA
19. What process involves the movement of water across a semi-permeable membrane?
bud scale scars
osmosis
starch
cone
20. Info. carrying molecule - single stranded
leaf
RNA
zone of maturation
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
21. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
the water potential is higher in the potato than the sugar solution
protein
krebs cycle -glycolysis
lumen
22. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
cone
ground tissue
heterozygous
sister chromatids
23. What is a reactant in the photochemical reactions of photosynthesis?
endodermis
artificial selection
water
lipids
24. Transfer of DNA to RNA
andom particle movement results in a net movement from high to low concentration
pitcher plant
effects of rising carbon dioxide
transcription
25. What would be a way of keeping a short-day plant from blooming?
-organelles -cytosol -nucleus
pyruvate
interrupt the dark period with several minutes of light
pyruvate
26. How is algae different from 'true' plants?
bionary fission and asexually
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
sister chromatids
palisade mesophyll
27. What is a reactant in the photochemical reactions of photosynthesis?
pericycle
-regulate water loss -regulate gas exchange -allow light to enter the leaf
water
orchids
28. What process involves the movement of water across a semi-permeable membrane?
osmosis
vascular cambium
both gymnosperms and angiosperms
nitrogenous base
29. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
resonance
interrupt the dark period with several minutes of light
carbon dioxide
30. How does DNA replication take place?
biome
eukaryotes
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
31. What hormone is most important in the ripening of fruits?
transcription
ADP
ethylene
effects of rising carbon dioxide
32. What are harmful effects of bacteria?
vascular cambium
lumen
pathogens
bionary fission and asexually
33. In what portion of a root might you find 'root hairs'?
zone of maturation
ghost plant
water
ferns
34. 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
anaphase
bryophytes
ethylene
35. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
starch
chlorophyll-A
krebs cycle -glycolysis
cytokinnin
36. What pigment absorbs energy and can emit an electron in photosynthesis?
multiple
provide nutrients for a developing embryo
cytokinnin
chlorophyll-A
37. What is NOT a structure found on a typical flowering plant?
radial arrangement
cone
carbon dioxide
dehiscent
38. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
carbon dioxide
osmosis
bionary fission and asexually
biome
39. During which phase of mitosis does the nuclear envelope disappear?
both gymnosperms and angiosperms
synthesis of proteins
prophase
vascular cambium
40. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
andom particle movement results in a net movement from high to low concentration
krebs cycle -glycolysis
prophase
maternal sporophyte - gametophyte - daughter sporophyte
41. How are the vascular bundles of a dicot arranged in the stem?
radial arrangement
ADP
artificial selection
-water vapor -oxygen -carbon dioxide
42. What part of a stem can a tree live without?
structural support
heartwood
interrupt the dark period with several minutes of light
synthesis of proteins
43. 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.
translation
pitcher plant
pericycle
seed
44. How is algae different from 'true' plants?
bionary fission and asexually
mangrove
anther
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
45. Change in gene frequency in a gene population over time.
active transport
bud scale scars
pathogens
evolution
46. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
cone
-water vapor -oxygen -carbon dioxide
electron transport chain
47. What cell undergoes meiosis?
lack of available oxygen
NOT a sperm - microspore - or egg cell
chlorophyll-A
pericycle
48. Where in a plant is the water potential lowest?
krebs cycle -glycolysis
endodermis
leaf
S-phase
49. What is a final product of glycolysis?
eukaryotes
pyruvate
bryophytes
dehiscent
50. 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.
polar nuclei
radial arrangement
pitcher plant
bocarnia
Can you answer 50 questions in 15 minutes?
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