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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. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
40x
mangrove
heartwood
pairs of chromosomes that each carry an allele for a given trait
2. A plant that carries two different versions of a gene for a single trait is...
the water potential is higher in the potato than the sugar solution
heterozygous
eukaryotes
bryophytes
3. What type of RNA has an anticodon?
palisade mesophyll
tRNA
zone of maturation
phytochrome
4. What separates during meiosis-II
sister chromatids
pyruvate
evolution
seed
5. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
iris diaphragm
potato
storage
pathogens
6. What is NOT a function of the vacuole?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
ethylene
krebs cycle -glycolysis
synthesis of proteins
7. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
both gymnosperms and angiosperms
gymnosperms
cyanobacteria - green algae - red algae
fuzzy plant
8. What is NOT a structure found on a typical flowering plant?
cone
anaphase
vascular cambium
ethylene
9. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
krebs cycle -glycolysis
accessory
polar nuclei
pyruvate
10. Three generations of gymnosperms
structural support
anther
xylem
maternal sporophyte - gametophyte - daughter sporophyte
11. What structure is MOST important in generating root pressure?
endodermis
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
water
pitcher plant
12. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
RNA
starch
orchids
ground tissue
13. What is a reactant in the photochemical reactions of photosynthesis?
water
effects of rising carbon dioxide
pyruvate
protein
14. Change in gene frequency in a gene population over time.
the water potential is higher in the potato than the sugar solution
phytochrome
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
evolution
15. What are homologous chromosomes?
pyruvate
pairs of chromosomes that each carry an allele for a given trait
tRNA
telophase-I
16. What plant tissue functions in conducting water from the roots to the leaves?
active transport
natural selection
electron transport chain
xylem
17. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
the water potential is higher in the potato than the sugar solution
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
translation
artificial selection
18. Enzymes are an example of what type of molecule?
multiple
abscistic acid
zone of maturation
protein
19. Where in a plant is the water potential lowest?
anther
protein
electron transport chain
leaf
20. What causes diffusion of gases to occur?
krebs cycle
polar nuclei
andom particle movement results in a net movement from high to low concentration
pasteurization
21. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
pathogens
leaf
accessory
potato
22. What cell undergoes meiosis?
structural support
fungi
leaf
NOT a sperm - microspore - or egg cell
23. During which phase of mitosis does the nuclear envelope disappear?
RNA
andom particle movement results in a net movement from high to low concentration
anther
prophase
24. Have a cell wall - no membrane - and no nucleus
prokaryotes
prophase
-water vapor -oxygen -carbon dioxide
pathogens
25. Transferring of the information from the DNA into the language of the mRNA.
pathogens
translation
accessory
versions of a gene
26. What are homologous chromosomes?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
fuzzy plant
pairs of chromosomes that each carry an allele for a given trait
gymnosperms
27. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
phytochrome
ground tissue
-water vapor -oxygen -carbon dioxide
28. 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?
transcription
iris diaphragm
electron transport chain
the water potential is higher in the potato than the sugar solution
29. What type of RNA has a codon?
evolution
resonance
mRNA
carbon dioxide
30. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
leaf
xylem
hormones are produced in a part of a plant and act in another part.
31. Under what conditions would a plant utilize fermentation to obtain energy?
natural selection
lack of available oxygen
fungi
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
32. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
water
pyruvate
active transport
mRNA
33. Have a nucleus - and a cell membrane
-organelles -cytosol -nucleus
bryophytes
pathogens
eukaryotes
34. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
a changing/heterogeneous environment
active transport
sister chromatids
natural selection
35. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
NOT a sperm - microspore - or egg cell
ghost plant
starch
starch
36. What separates during meiosis-II
pyruvate
fuzzy plant
sister chromatids
provide nutrients for a developing embryo
37. How many sperm cells does each pollen grain typically carry?
lack of available oxygen
vascular cambium
protein
2
38. Have a cell wall - no membrane - and no nucleus
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
prokaryotes
the water potential is higher in the potato than the sugar solution
ghost plant
39. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
effects of rising carbon dioxide
evolution
krebs cycle -glycolysis
40. 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.
both gymnosperms and angiosperms
andom particle movement results in a net movement from high to low concentration
bryophytes
abscistic acid
41. Vascular and seed bearing
abscistic acid
both gymnosperms and angiosperms
heterozygous
iris diaphragm
42. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
accessory
2
natural selection
pasteurization
43. In what portion of a root might you find 'root hairs'?
zone of maturation
ghost plant
synthesis of proteins
transcription
44. How do bacteria reproduce?
biome
bionary fission and asexually
mangrove
anaphase
45. During which phase of meiosis do daughter cells become haploid?
prokaryotes
telophase-I
heterozygous
osmosis
46. If an ovule is fertilized - what will it develop into?
zone of maturation
biome
seed
biome
47. What tissue can be found in a root but not in a stem?
cytokinnin
pericycle
synthesis of proteins
chloroplasts
48. What hormone is most important in the ripening of fruits?
ethylene
pericycle
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
starch
49. What is NOT a product of the krebs cycle?
lipids
bocarnia
seed
ADP
50. What type of RNA has a codon?
prophase
evolution
lipids
mRNA