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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 is the primary function of collenchyma cells?
nucleus
endodermis
structural support
protein
2. You can determine the age of a woody branch by counting these
eukaryotes
bud scale scars
bryophytes
-regulate water loss -regulate gas exchange -allow light to enter the leaf
3. 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?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
pericycle
the water potential is higher in the potato than the sugar solution
pairs of chromosomes that each carry an allele for a given trait
4. Transferring of the information from the DNA into the language of the mRNA.
translation
pathogens
starch
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
5. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
xylem
hormones are produced in a part of a plant and act in another part.
mRNA
6. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
chloroplasts
lumen
heterozygous
both gymnosperms and angiosperms
7. What hormone is most important in the ripening of fruits?
cyanobacteria - green algae - red algae
ethylene
abscistic acid
the water potential is higher in the potato than the sugar solution
8. What are adenine - guanine - thymine - cytosine?
bud scale scars
nitrogenous base
andom particle movement results in a net movement from high to low concentration
dehiscent
9. How are the vascular bundles of a dicot arranged in the stem?
mRNA
protein
pathogens
radial arrangement
10. What organelle was observable in the onion epidermis stained with iodine?
nucleus
phytochrome
versions of a gene
andom particle movement results in a net movement from high to low concentration
11. What is considered part of the protoplast?
-organelles -cytosol -nucleus
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
a changing/heterogeneous environment
eukaryotes
12. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
ADP
dehiscent
eukaryotes
accessory
13. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
lumen
artificial selection
DNA
14. What type of RNA has an anticodon?
zone of maturation
transcription
tRNA
2
15. Have a nucleus - and a cell membrane
accessory
eukaryotes
nucleus
evolution
16. What is a final product of glycolysis?
resonance
maternal sporophyte - gametophyte - daughter sporophyte
pyruvate
andom particle movement results in a net movement from high to low concentration
17. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
sister chromatids
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
ground tissue
resonance
18. Which part of aerobic respiration results in the production of CO2?
RNA
S-phase
iris diaphragm
krebs cycle
19. What type of fruit develops from a cluster of many simple flowers?
multiple
biome
cone
krebs cycle -glycolysis
20. Have a nucleus - and a cell membrane
polar nuclei
prokaryotes
biome
eukaryotes
21. 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
starch
seed
anther
gymnosperms
22. What best describes a dry fruit which opens at maturity?
dehiscent
2
hormones are produced in a part of a plant and act in another part.
gymnosperms
23. What is the primary function of collenchyma cells?
radial arrangement
biome
structural support
lumen
24. What hormone is most important in the ripening of fruits?
ethylene
fuzzy plant
chlorophyll-A
effects of rising carbon dioxide
25. What pigment is responsible for plants sensing day length?
bocarnia
phytochrome
carbon dioxide
nucleus
26. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
abscistic acid
40x
prophase
artificial selection
27. A gymnosperm - lives in the desert for up to 3000 years - only grows 2 leaves - 5 feet across - they receive 1 inch of lower of rainfall per year - roots can grow under the soil at least a mile.
radial arrangement
cone
DNA
welwichsia
28. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
DNA
phytochrome
fungi
29. Epiphytes - valemine breaks down compost in roots
orchids
provide nutrients for a developing embryo
mRNA
transcription
30. Vascular and seed bearing
both gymnosperms and angiosperms
pasteurization
S-phase
2
31. During which phase of mitosis does the nuclear envelope disappear?
dehiscent
polar nuclei
prophase
ground tissue
32. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
translation
40x
interrupt the dark period with several minutes of light
interrupt the dark period with several minutes of light
33. What is a product of the biochemical reactions of photosynthesis?
multiple
resonance
leaf
starch
34. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
iris diaphragm
ferns
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
cyanobacteria - green algae - red algae
35. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
chlorophyll-A
lumen
accessory
effects of rising carbon dioxide
36. During which phase of the cell cycle does DNA replication occur?
potato
S-phase
sister chromatids
chloroplasts
37. What type of RNA has a codon?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
mRNA
orchids
40x
38. How many sperm cells does each pollen grain typically carry?
chlorophyll-A
2
phytochrome
anther
39. Which substances pass through the open stomata of a leaf?
zone of maturation
-water vapor -oxygen -carbon dioxide
40x
protein
40. What is a final product of aerobic respiration?
protein
carbon dioxide
lichens
eukaryotes
41. What contains the most potential energy?
pairs of chromosomes that each carry an allele for a given trait
iris diaphragm
palisade mesophyll
starch
42. What causes diffusion of gases to occur?
andom particle movement results in a net movement from high to low concentration
ground tissue
tRNA
-organelles -cytosol -nucleus
43. A plant that carries two different versions of a gene for a single trait is...
anther
biome
heterozygous
endodermis
44. What contains the most potential energy?
-water vapor -oxygen -carbon dioxide
bryophytes
starch
prokaryotes
45. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
the water potential is higher in the potato than the sugar solution
ghost plant
sister chromatids
fuzzy plant
46. If an ovule is fertilized - what will it develop into?
phytochrome
chloroplasts
pathogens
seed
47. Change in gene frequency in a gene population over time.
evolution
protein
electron transport chain
DNA
48. What is NOT a structure found on a typical flowering plant?
radial arrangement
cone
andom particle movement results in a net movement from high to low concentration
cytokinnin
49. What pigment is responsible for plants sensing day length?
prophase
S-phase
2
phytochrome
50. What would be a way of keeping a short-day plant from blooming?
structural support
interrupt the dark period with several minutes of light
versions of a gene
mRNA