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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. 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
radial arrangement
xylem
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
effects of rising carbon dioxide
2. Enzymes are an example of what type of molecule?
fuzzy plant
chloroplasts
protein
translation
3. Have a cell wall - no membrane - and no nucleus
ground tissue
synthesis of proteins
prokaryotes
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
4. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
ferns
ground tissue
telophase-I
potato
5. What pigment absorbs energy and can emit an electron in photosynthesis?
leaf
chlorophyll-A
pathogens
prokaryotes
6. 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?
lipids
the water potential is higher in the potato than the sugar solution
orchids
transcription
7. Vascular and seed bearing
maternal sporophyte - gametophyte - daughter sporophyte
both gymnosperms and angiosperms
pitcher plant
lumen
8. During which phase of mitosis do the sister chromatids separate?
anaphase
bionary fission and asexually
radial arrangement
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
9. What pigment is responsible for plants sensing day length?
accessory
phytochrome
xylem
nucleus
10. Three generations of gymnosperms
gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
eukaryotes
bryophytes
11. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
40x
-organelles -cytosol -nucleus
mangrove
potato
12. How is algae different from 'true' plants?
cyanobacteria - green algae - red algae
ferns
krebs cycle
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
13. How does DNA replication take place?
bryophytes
DNA
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
pasteurization
14. Iodine can be used to test for what molecule - resulting in a blue-black color?
bryophytes
starch
iris diaphragm
-water vapor -oxygen -carbon dioxide
15. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
ethylene
the water potential is higher in the potato than the sugar solution
polar nuclei
16. What is NOT a structure found on a typical flowering plant?
lack of available oxygen
cone
bud scale scars
pairs of chromosomes that each carry an allele for a given trait
17. What is NOT a structure found on a typical flowering plant?
endodermis
NOT a sperm - microspore - or egg cell
bocarnia
cone
18. 'Alleles' are best described as...
-organelles -cytosol -nucleus
versions of a gene
synthesis of proteins
S-phase
19. What organelle was observable in the onion epidermis stained with iodine?
prophase
chlorophyll-A
nucleus
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
20. What best describes a dry fruit which opens at maturity?
hormones are produced in a part of a plant and act in another part.
palisade mesophyll
dehiscent
pathogens
21. What causes diffusion of gases to occur?
bud scale scars
andom particle movement results in a net movement from high to low concentration
vascular cambium
nucleus
22. What BEST describes plant hormones?
andom particle movement results in a net movement from high to low concentration
ghost plant
hormones are produced in a part of a plant and act in another part.
-organelles -cytosol -nucleus
23. What pigment absorbs energy and can emit an electron in photosynthesis?
lumen
both gymnosperms and angiosperms
polar nuclei
chlorophyll-A
24. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
palisade mesophyll
mangrove
iris diaphragm
lumen
25. What are harmful effects of bacteria?
pathogens
pyruvate
zone of maturation
RNA
26. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
endodermis
anther
ghost plant
leaf
27. What contains the most potential energy?
evolution
pyruvate
starch
pairs of chromosomes that each carry an allele for a given trait
28. What is a final product of aerobic respiration?
resonance
natural selection
carbon dioxide
fuzzy plant
29. What are adenine - guanine - thymine - cytosine?
pasteurization
nitrogenous base
pathogens
fuzzy plant
30. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
bud scale scars
40x
ghost plant
lipids
31. What is a function of the epidermis?
starch
-regulate water loss -regulate gas exchange -allow light to enter the leaf
storage
xylem
32. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
butcher's broom
potato
abscistic acid
accessory
33. Where in a dicot leaf does the majority of photosynthesis occur?
ferns
polar nuclei
resonance
palisade mesophyll
34. What is the role of endosperm?
provide nutrients for a developing embryo
potato
starch
prophase
35. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
nucleus
-regulate water loss -regulate gas exchange -allow light to enter the leaf
evolution
36. During which phase of meiosis do daughter cells become haploid?
starch
pitcher plant
telophase-I
fuzzy plant
37. What organelle do guard cells contain that other epidermal cells lack?
chloroplasts
anther
fungi
nucleus
38. What part of a stem can a tree live without?
telophase-I
heartwood
pairs of chromosomes that each carry an allele for a given trait
prophase
39. 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
pyruvate
versions of a gene
iris diaphragm
40. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
krebs cycle
heterozygous
effects of rising carbon dioxide
41. A plant that carries two different versions of a gene for a single trait is...
heterozygous
translation
a changing/heterogeneous environment
lumen
42. 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?
seed
40x
chlorophyll-A
the water potential is higher in the potato than the sugar solution
43. What is considered part of the protoplast?
-organelles -cytosol -nucleus
-water vapor -oxygen -carbon dioxide
osmosis
S-phase
44. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
versions of a gene
ferns
natural selection
pairs of chromosomes that each carry an allele for a given trait
45. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
nucleus
resonance
mangrove
gymnosperms
46. Which part of aerobic respiration generates the most ATP?
electron transport chain
andom particle movement results in a net movement from high to low concentration
dehiscent
interrupt the dark period with several minutes of light
47. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
bocarnia
lichens
pasteurization
phytochrome
48. Heating up bacteria until it is harmless and cannot function.
butcher's broom
andom particle movement results in a net movement from high to low concentration
40x
pasteurization
49. What would be a way of keeping a short-day plant from blooming?
storage
lack of available oxygen
interrupt the dark period with several minutes of light
phytochrome
50. Enzymes are an example of what type of molecule?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
structural support
protein
-organelles -cytosol -nucleus