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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. Heating up bacteria until it is harmless and cannot function.
effects of rising carbon dioxide
pasteurization
-organelles -cytosol -nucleus
osmosis
2. Have a cell wall - no membrane - and no nucleus
seed
prokaryotes
evolution
starch
3. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
iris diaphragm
transcription
butcher's broom
ghost plant
4. Transfer of DNA to RNA
-regulate water loss -regulate gas exchange -allow light to enter the leaf
RNA
multiple
transcription
5. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
vascular cambium
cytokinnin
S-phase
natural selection
6. Which class of organic macromolecule stores the greatest amount of potential energy?
starch
andom particle movement results in a net movement from high to low concentration
ADP
lipids
7. 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
pitcher plant
translation
gymnosperms
cyanobacteria - green algae - red algae
8. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
anaphase
active transport
bud scale scars
cytokinnin
9. What is NOT a function of the vacuole?
synthesis of proteins
multiple
accessory
xylem
10. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
bocarnia
starch
carbon dioxide
palisade mesophyll
11. Heating up bacteria until it is harmless and cannot function.
gymnosperms
structural support
pasteurization
versions of a gene
12. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
-organelles -cytosol -nucleus
nucleus
polar nuclei
13. Where in a plant is the water potential lowest?
pyruvate
pitcher plant
leaf
DNA
14. 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.
fuzzy plant
pitcher plant
protein
radial arrangement
15. What plant tissue functions in conducting water from the roots to the leaves?
lipids
xylem
-regulate water loss -regulate gas exchange -allow light to enter the leaf
vascular cambium
16. You can determine the age of a woody branch by counting these
bud scale scars
active transport
leaf
DNA
17. Transferring of the information from the DNA into the language of the mRNA.
chlorophyll-A
abscistic acid
translation
mangrove
18. You can determine the age of a woody branch by counting these
anther
protein
bud scale scars
pitcher plant
19. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
bryophytes
synthesis of proteins
sister chromatids
20. In what part of a flower is pollen produced?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
phytochrome
anther
ghost plant
21. What is the main function of the roots of a corn plant?
transcription
radial arrangement
anaphase
absorption of water
22. 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?
provide nutrients for a developing embryo
translation
the water potential is higher in the potato than the sugar solution
abscistic acid
23. Which substances pass through the open stomata of a leaf?
interrupt the dark period with several minutes of light
-water vapor -oxygen -carbon dioxide
transcription
-regulate water loss -regulate gas exchange -allow light to enter the leaf
24. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
heterozygous
lumen
leaf
electron transport chain
25. Three generations of gymnosperms
tRNA
carbon dioxide
maternal sporophyte - gametophyte - daughter sporophyte
ground tissue
26. What organelle do guard cells contain that other epidermal cells lack?
chloroplasts
chlorophyll-A
-regulate water loss -regulate gas exchange -allow light to enter the leaf
synthesis of proteins
27. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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28. What is the primary function of collenchyma cells?
NOT a sperm - microspore - or egg cell
dehiscent
pathogens
structural support
29. How are the vascular bundles of a dicot arranged in the stem?
cheese - yogurt - pharmaceuticals
pericycle
ADP
radial arrangement
30. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
sister chromatids
artificial selection
carbon dioxide
xylem
31. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
ghost plant
radial arrangement
fungi
bud scale scars
32. What BEST describes plant hormones?
ADP
hormones are produced in a part of a plant and act in another part.
xylem
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
33. What pigment absorbs energy and can emit an electron in photosynthesis?
maternal sporophyte - gametophyte - daughter sporophyte
pathogens
chlorophyll-A
palisade mesophyll
34. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
starch
lack of available oxygen
maternal sporophyte - gametophyte - daughter sporophyte
fuzzy plant
35. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
potato
polar nuclei
40x
andom particle movement results in a net movement from high to low concentration
36. 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
protein
phytochrome
cone
37. What organelle contains DNA?
nucleus
orchids
interrupt the dark period with several minutes of light
biome
38. Have a nucleus - and a cell membrane
-organelles -cytosol -nucleus
sister chromatids
eukaryotes
lichens
39. 'Alleles' are best described as...
versions of a gene
the water potential is higher in the potato than the sugar solution
iris diaphragm
welwichsia
40. What is the function of the cortex in a root?
provide nutrients for a developing embryo
phytochrome
storage
ghost plant
41. Which part of aerobic respiration results in the production of CO2?
cheese - yogurt - pharmaceuticals
pitcher plant
krebs cycle
active transport
42. What are the major groups of algae?
protein
heartwood
cyanobacteria - green algae - red algae
pairs of chromosomes that each carry an allele for a given trait
43. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
provide nutrients for a developing embryo
S-phase
anther
44. Info. carrying molecule - single stranded
RNA
tRNA
cheese - yogurt - pharmaceuticals
water
45. What pigment is responsible for plants sensing day length?
RNA
phytochrome
40x
transcription
46. What is a final product of aerobic respiration?
abscistic acid
carbon dioxide
the water potential is higher in the potato than the sugar solution
welwichsia
47. What is a final product of aerobic respiration?
osmosis
iris diaphragm
cytokinnin
carbon dioxide
48. During which phase of meiosis do daughter cells become haploid?
telophase-I
ADP
S-phase
butcher's broom
49. During which phase of the cell cycle does DNA replication occur?
xylem
telophase-I
seed
S-phase
50. Have a cell wall - no membrane - and no nucleus
pasteurization
prokaryotes
ferns
heterozygous