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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 dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
leaf
abscistic acid
fuzzy plant
palisade mesophyll
2. What are adenine - guanine - thymine - cytosine?
prokaryotes
both gymnosperms and angiosperms
pathogens
nitrogenous base
3. 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
gymnosperms
ferns
protein
resonance
4. What separates during meiosis-II
anaphase
sister chromatids
phytochrome
pyruvate
5. 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.
pitcher plant
lack of available oxygen
gymnosperms
palisade mesophyll
6. How many sperm cells does each pollen grain typically carry?
prophase
translation
2
cone
7. During which phase of mitosis does the nuclear envelope disappear?
gymnosperms
lipids
protein
prophase
8. Enzymes are an example of what type of molecule?
protein
multiple
electron transport chain
lichens
9. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
dehiscent
lipids
bocarnia
fungi
10. Info. carrying molecule - single stranded
both gymnosperms and angiosperms
RNA
2
telophase-I
11. What pigment absorbs energy and can emit an electron in photosynthesis?
heterozygous
osmosis
chlorophyll-A
active transport
12. In what part of a flower is pollen produced?
telophase-I
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
nucleus
anther
13. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
effects of rising carbon dioxide
vascular cambium
interrupt the dark period with several minutes of light
accessory
14. What organelle was observable in the onion epidermis stained with iodine?
telophase-I
absorption of water
nucleus
telophase-I
15. Have a cell wall - no membrane - and no nucleus
prokaryotes
pasteurization
active transport
lipids
16. What is NOT a structure found on a typical flowering plant?
cone
effects of rising carbon dioxide
carbon dioxide
xylem
17. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
multiple
nucleus
versions of a gene
DNA
18. What causes diffusion of gases to occur?
bionary fission and asexually
accessory
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
andom particle movement results in a net movement from high to low concentration
19. Heating up bacteria until it is harmless and cannot function.
interrupt the dark period with several minutes of light
natural selection
multiple
pasteurization
20. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
storage
RNA
a changing/heterogeneous environment
21. What type of fruit develops from a cluster of many simple flowers?
vascular cambium
absorption of water
electron transport chain
multiple
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?
starch
both gymnosperms and angiosperms
40x
ground tissue
23. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
biome
cone
telophase-I
versions of a gene
24. Which class of organic macromolecule stores the greatest amount of potential energy?
cheese - yogurt - pharmaceuticals
lumen
absorption of water
lipids
25. What is a final product of glycolysis?
absorption of water
pyruvate
vascular cambium
both gymnosperms and angiosperms
26. How do bacteria reproduce?
bionary fission and asexually
nitrogenous base
provide nutrients for a developing embryo
-water vapor -oxygen -carbon dioxide
27. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
40x
osmosis
endodermis
ADP
28. What tissue can be found in a root but not in a stem?
effects of rising carbon dioxide
pericycle
NOT a sperm - microspore - or egg cell
butcher's broom
29. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
endodermis
pathogens
fuzzy plant
bocarnia
30. What is NOT a product of the krebs cycle?
ADP
natural selection
endodermis
active transport
31. Change in gene frequency in a gene population over time.
lumen
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
evolution
nucleus
32. Transferring of the information from the DNA into the language of the mRNA.
cyanobacteria - green algae - red algae
translation
gymnosperms
anther
33. 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?
fungi
the water potential is higher in the potato than the sugar solution
radial arrangement
prokaryotes
34. Where in a plant is the water potential lowest?
leaf
pitcher plant
anther
ethylene
35. 'Alleles' are best described as...
endodermis
synthesis of proteins
versions of a gene
gymnosperms
36. Transferring of the information from the DNA into the language of the mRNA.
starch
translation
sister chromatids
evolution
37. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
accessory
iris diaphragm
sister chromatids
vascular cambium
38. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
radial arrangement
anaphase
chlorophyll-A
39. How are the vascular bundles of a dicot arranged in the stem?
heterozygous
provide nutrients for a developing embryo
-water vapor -oxygen -carbon dioxide
radial arrangement
40. What are homologous chromosomes?
ground tissue
osmosis
iris diaphragm
pairs of chromosomes that each carry an allele for a given trait
41. What is NOT a function of the vacuole?
iris diaphragm
synthesis of proteins
DNA
welwichsia
42. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
pathogens
DNA
heartwood
43. What is a reactant in the photochemical reactions of photosynthesis?
water
RNA
prophase
vascular cambium
44. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
andom particle movement results in a net movement from high to low concentration
bryophytes
resonance
active transport
45. What structure is MOST important in generating root pressure?
dehiscent
lumen
heterozygous
endodermis
46. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
bionary fission and asexually
natural selection
cytokinnin
radial arrangement
47. What best describes a dry fruit which opens at maturity?
structural support
dehiscent
bionary fission and asexually
bocarnia
48. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
the water potential is higher in the potato than the sugar solution
leaf
structural support
biome
49. What is the main function of the roots of a corn plant?
absorption of water
cytokinnin
NOT a sperm - microspore - or egg cell
-regulate water loss -regulate gas exchange -allow light to enter the leaf
50. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
eukaryotes
ethylene
evolution