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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 hormone is most important in the ripening of fruits?
natural selection
chloroplasts
ethylene
effects of rising carbon dioxide
2. What are beneficial products made from bacteria?
abscistic acid
effects of rising carbon dioxide
40x
cheese - yogurt - pharmaceuticals
3. What is the role of endosperm?
provide nutrients for a developing embryo
accessory
ghost plant
seed
4. 'Alleles' are best described as...
gymnosperms
sister chromatids
ADP
versions of a gene
5. How are the vascular bundles of a dicot arranged in the stem?
synthesis of proteins
chloroplasts
radial arrangement
potato
6. Info. carrying molecule - single stranded
gymnosperms
RNA
osmosis
biome
7. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
pericycle
resonance
lipids
8. What pigment is responsible for plants sensing day length?
phytochrome
accessory
active transport
versions of a gene
9. What type of RNA has an anticodon?
tRNA
biome
effects of rising carbon dioxide
fuzzy plant
10. Which commonly eaten food is an example of a stem?
both gymnosperms and angiosperms
-water vapor -oxygen -carbon dioxide
potato
pasteurization
11. What organelle was observable in the onion epidermis stained with iodine?
cyanobacteria - green algae - red algae
xylem
endodermis
nucleus
12. What pigment is responsible for plants sensing day length?
a changing/heterogeneous environment
ground tissue
phytochrome
transcription
13. What organelle was observable in the onion epidermis stained with iodine?
pairs of chromosomes that each carry an allele for a given trait
2
nucleus
lack of available oxygen
14. What is a reactant in the photochemical reactions of photosynthesis?
maternal sporophyte - gametophyte - daughter sporophyte
mangrove
water
pericycle
15. What is NOT a function of the vacuole?
orchids
synthesis of proteins
-regulate water loss -regulate gas exchange -allow light to enter the leaf
heterozygous
16. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
artificial selection
andom particle movement results in a net movement from high to low concentration
ghost plant
chloroplasts
17. What type of RNA has a codon?
bocarnia
-water vapor -oxygen -carbon dioxide
radial arrangement
mRNA
18. Which substances pass through the open stomata of a leaf?
starch
leaf
ground tissue
-water vapor -oxygen -carbon dioxide
19. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
ferns
fuzzy plant
electron transport chain
lipids
20. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
natural selection
resonance
phytochrome
ground tissue
21. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cone
eukaryotes
krebs cycle -glycolysis
cytokinnin
22. What type of RNA has an anticodon?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
krebs cycle -glycolysis
tRNA
bud scale scars
23. How many sperm cells does each pollen grain typically carry?
multiple
dehiscent
2
pericycle
24. What are adenine - guanine - thymine - cytosine?
lumen
absorption of water
ADP
nitrogenous base
25. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
gymnosperms
fungi
starch
provide nutrients for a developing embryo
26. In what part of a flower is pollen produced?
anther
krebs cycle -glycolysis
telophase-I
multiple
27. Which part of aerobic respiration generates the most ATP?
electron transport chain
seed
RNA
nucleus
28. Which class of organic macromolecule stores the greatest amount of potential energy?
lipids
artificial selection
accessory
active transport
29. What is a final product of aerobic respiration?
-water vapor -oxygen -carbon dioxide
osmosis
carbon dioxide
evolution
30. How do bacteria reproduce?
pyruvate
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
bionary fission and asexually
butcher's broom
31. What tissue can be found in a root but not in a stem?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
provide nutrients for a developing embryo
pericycle
-water vapor -oxygen -carbon dioxide
32. How are the vascular bundles of a dicot arranged in the stem?
polar nuclei
pairs of chromosomes that each carry an allele for a given trait
radial arrangement
cyanobacteria - green algae - red algae
33. During which phase of mitosis does the nuclear envelope disappear?
nitrogenous base
prophase
eukaryotes
bocarnia
34. How many sperm cells does each pollen grain typically carry?
2
evolution
nucleus
krebs cycle -glycolysis
35. Which part of aerobic respiration results in the production of CO2?
krebs cycle
S-phase
nucleus
anther
36. 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?
hormones are produced in a part of a plant and act in another part.
the water potential is higher in the potato than the sugar solution
ethylene
radial arrangement
37. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
vascular cambium
xylem
anaphase
S-phase
38. What is considered part of the protoplast?
-organelles -cytosol -nucleus
ghost plant
lichens
pericycle
39. Vascular and seed bearing
ethylene
starch
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
both gymnosperms and angiosperms
40. What cell undergoes meiosis?
tRNA
bryophytes
NOT a sperm - microspore - or egg cell
ferns
41. What are harmful effects of bacteria?
pathogens
welwichsia
transcription
welwichsia
42. What is a final product of glycolysis?
transcription
chlorophyll-A
pyruvate
the water potential is higher in the potato than the sugar solution
43. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
ADP
bryophytes
telophase-I
abscistic acid
44. What process involves the movement of water across a semi-permeable membrane?
biome
osmosis
palisade mesophyll
40x
45. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
electron transport chain
gymnosperms
the water potential is higher in the potato than the sugar solution
46. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
potato
translation
DNA
pairs of chromosomes that each carry an allele for a given trait
47. How do bacteria reproduce?
-water vapor -oxygen -carbon dioxide
eukaryotes
palisade mesophyll
bionary fission and asexually
48. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
ADP
a changing/heterogeneous environment
maternal sporophyte - gametophyte - daughter sporophyte
carbon dioxide
49. Change in gene frequency in a gene population over time.
radial arrangement
evolution
dehiscent
-organelles -cytosol -nucleus
50. Epiphytes - valemine breaks down compost in roots
ground tissue
orchids
ground tissue
both gymnosperms and angiosperms