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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 a reactant in the photochemical reactions of photosynthesis?
palisade mesophyll
starch
water
cytokinnin
2. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
pitcher plant
lumen
active transport
mangrove
3. How does DNA replication take place?
RNA
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
tRNA
pericycle
4. What cell undergoes meiosis?
NOT a sperm - microspore - or egg cell
maternal sporophyte - gametophyte - daughter sporophyte
artificial selection
ferns
5. During which phase of the cell cycle does DNA replication occur?
lichens
S-phase
pasteurization
cone
6. How does DNA replication take place?
versions of a gene
ADP
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
heartwood
7. Three generations of gymnosperms
pericycle
maternal sporophyte - gametophyte - daughter sporophyte
-regulate water loss -regulate gas exchange -allow light to enter the leaf
chloroplasts
8. What is considered part of the protoplast?
accessory
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
chlorophyll-A
-organelles -cytosol -nucleus
9. What type of fruit develops from a cluster of many simple flowers?
multiple
starch
versions of a gene
eukaryotes
10. A plant that carries two different versions of a gene for a single trait is...
andom particle movement results in a net movement from high to low concentration
butcher's broom
heterozygous
accessory
11. What part of a stem can a tree live without?
ground tissue
telophase-I
heartwood
ethylene
12. What are beneficial products made from bacteria?
krebs cycle
starch
cheese - yogurt - pharmaceuticals
-regulate water loss -regulate gas exchange -allow light to enter the leaf
13. What is NOT a function of the vacuole?
heterozygous
active transport
starch
synthesis of proteins
14. Heating up bacteria until it is harmless and cannot function.
orchids
multiple
pasteurization
protein
15. Which class of organic macromolecule stores the greatest amount of potential energy?
evolution
lipids
S-phase
2
16. NO vascular tissue - NO roots - have modified photosynthetic tissue to help it absorb carbon dioxide without losing too much water - can survive in variety of environments - seedless - and commonly seen as mosses - hornworts - and liverworts.
pyruvate
lipids
bryophytes
chloroplasts
17. How is algae different from 'true' plants?
starch
bryophytes
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
starch
18. Transfer of DNA to RNA
starch
transcription
-organelles -cytosol -nucleus
carbon dioxide
19. 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?
mangrove
the water potential is higher in the potato than the sugar solution
zone of maturation
cyanobacteria - green algae - red algae
20. What pigment is responsible for plants sensing day length?
2
cone
prophase
phytochrome
21. How are the vascular bundles of a dicot arranged in the stem?
a changing/heterogeneous environment
radial arrangement
multiple
xylem
22. During which phase of mitosis do the sister chromatids separate?
bionary fission and asexually
starch
anaphase
pitcher plant
23. Where in a dicot leaf does the majority of photosynthesis occur?
maternal sporophyte - gametophyte - daughter sporophyte
provide nutrients for a developing embryo
effects of rising carbon dioxide
palisade mesophyll
24. What are harmful effects of bacteria?
nucleus
pathogens
synthesis of proteins
krebs cycle
25. Under what conditions would a plant utilize fermentation to obtain energy?
mRNA
zone of maturation
lack of available oxygen
nucleus
26. What causes diffusion of gases to occur?
andom particle movement results in a net movement from high to low concentration
maternal sporophyte - gametophyte - daughter sporophyte
provide nutrients for a developing embryo
maternal sporophyte - gametophyte - daughter sporophyte
27. What hormone is most important in the ripening of fruits?
a changing/heterogeneous environment
nucleus
ethylene
fungi
28. Have a nucleus - and a cell membrane
natural selection
biome
eukaryotes
natural selection
29. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
a changing/heterogeneous environment
maternal sporophyte - gametophyte - daughter sporophyte
pairs of chromosomes that each carry an allele for a given trait
anther
30. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
mangrove
artificial selection
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
nucleus
31. Which part of aerobic respiration results in the production of CO2?
krebs cycle
bocarnia
interrupt the dark period with several minutes of light
evolution
32. How are the vascular bundles of a dicot arranged in the stem?
cyanobacteria - green algae - red algae
mangrove
radial arrangement
protein
33. What plant tissue functions in conducting water from the roots to the leaves?
zone of maturation
prophase
palisade mesophyll
xylem
34. 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
pairs of chromosomes that each carry an allele for a given trait
chloroplasts
cyanobacteria - green algae - red algae
effects of rising carbon dioxide
35. During which phase of mitosis do the sister chromatids separate?
resonance
cyanobacteria - green algae - red algae
structural support
anaphase
36. What causes diffusion of gases to occur?
abscistic acid
andom particle movement results in a net movement from high to low concentration
sister chromatids
anther
37. Which part of aerobic respiration generates the most ATP?
electron transport chain
cone
water
chlorophyll-A
38. 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
RNA
2
protein
39. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
biome
pairs of chromosomes that each carry an allele for a given trait
multiple
evolution
40. Have a cell wall - no membrane - and no nucleus
prokaryotes
mangrove
lumen
sister chromatids
41. During which phase of the cell cycle does DNA replication occur?
S-phase
-organelles -cytosol -nucleus
protein
leaf
42. Under what conditions would a plant utilize fermentation to obtain energy?
lack of available oxygen
translation
heterozygous
chlorophyll-A
43. What is a final product of aerobic respiration?
effects of rising carbon dioxide
2
carbon dioxide
a changing/heterogeneous environment
44. What is the function of the cortex in a root?
storage
phytochrome
fuzzy plant
pasteurization
45. What tissue can be found in a root but not in a stem?
natural selection
prophase
sister chromatids
pericycle
46. Change in gene frequency in a gene population over time.
cytokinnin
phytochrome
evolution
water
47. What best describes a dry fruit which opens at maturity?
welwichsia
interrupt the dark period with several minutes of light
evolution
dehiscent
48. Vascular and seed bearing
-regulate water loss -regulate gas exchange -allow light to enter the leaf
both gymnosperms and angiosperms
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
2
49. Which commonly eaten food is an example of a stem?
potato
water
sister chromatids
versions of a gene
50. You can determine the age of a woody branch by counting these
bud scale scars
provide nutrients for a developing embryo
iris diaphragm
anaphase