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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. You can determine the age of a woody branch by counting these
bud scale scars
krebs cycle
-regulate water loss -regulate gas exchange -allow light to enter the leaf
lumen
2. What would be a way of keeping a short-day plant from blooming?
evolution
prophase
starch
interrupt the dark period with several minutes of light
3. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
DNA
interrupt the dark period with several minutes of light
transcription
lipids
4. Which substances pass through the open stomata of a leaf?
polar nuclei
-water vapor -oxygen -carbon dioxide
2
provide nutrients for a developing embryo
5. What organelle do guard cells contain that other epidermal cells lack?
chloroplasts
heterozygous
lipids
S-phase
6. What is NOT a function of the vacuole?
bionary fission and asexually
nucleus
synthesis of proteins
RNA
7. How do bacteria reproduce?
lack of available oxygen
cyanobacteria - green algae - red algae
bionary fission and asexually
fuzzy plant
8. What organelle contains DNA?
pathogens
effects of rising carbon dioxide
starch
nucleus
9. What type of RNA has a codon?
mRNA
pasteurization
xylem
pairs of chromosomes that each carry an allele for a given trait
10. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
pyruvate
nucleus
effects of rising carbon dioxide
11. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
DNA
active transport
starch
eukaryotes
12. Change in gene frequency in a gene population over time.
evolution
ghost plant
NOT a sperm - microspore - or egg cell
bionary fission and asexually
13. What is the main function of the roots of a corn plant?
orchids
-regulate water loss -regulate gas exchange -allow light to enter the leaf
versions of a gene
absorption of water
14. 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
40x
effects of rising carbon dioxide
structural support
ground tissue
15. What structure is MOST important in generating root pressure?
prokaryotes
endodermis
butcher's broom
nitrogenous base
16. You can determine the age of a woody branch by counting these
welwichsia
ferns
mangrove
bud scale scars
17. Which commonly eaten food is an example of a stem?
evolution
phytochrome
potato
transcription
18. What is a function of the epidermis?
mRNA
nucleus
artificial selection
-regulate water loss -regulate gas exchange -allow light to enter the leaf
19. In what portion of a root might you find 'root hairs'?
the water potential is higher in the potato than the sugar solution
provide nutrients for a developing embryo
biome
zone of maturation
20. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
heartwood
vascular cambium
cone
a changing/heterogeneous environment
21. What are homologous chromosomes?
potato
iris diaphragm
pairs of chromosomes that each carry an allele for a given trait
anaphase
22. Vascular and seed bearing
both gymnosperms and angiosperms
electron transport chain
abscistic acid
endodermis
23. Under what conditions would a plant utilize fermentation to obtain energy?
DNA
natural selection
lack of available oxygen
leaf
24. Vascular and seed bearing
both gymnosperms and angiosperms
phytochrome
provide nutrients for a developing embryo
mRNA
25. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
electron transport chain
xylem
pyruvate
26. How many sperm cells does each pollen grain typically carry?
bud scale scars
absorption of water
2
S-phase
27. What is NOT a structure found on a typical flowering plant?
chlorophyll-A
cone
telophase-I
bud scale scars
28. What BEST describes plant hormones?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
resonance
anaphase
hormones are produced in a part of a plant and act in another part.
29. 'Alleles' are best described as...
versions of a gene
starch
mRNA
dehiscent
30. Transfer of DNA to RNA
telophase-I
transcription
mRNA
electron transport chain
31. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
protein
ADP
effects of rising carbon dioxide
32. What are adenine - guanine - thymine - cytosine?
nitrogenous base
prophase
seed
lipids
33. What part of a stem can a tree live without?
heartwood
nucleus
natural selection
endodermis
34. Where in a plant is the water potential lowest?
pathogens
leaf
structural support
vascular cambium
35. Have a cell wall - no membrane - and no nucleus
starch
S-phase
prokaryotes
iris diaphragm
36. Enzymes are an example of what type of molecule?
cone
maternal sporophyte - gametophyte - daughter sporophyte
a changing/heterogeneous environment
protein
37. How many sperm cells does each pollen grain typically carry?
krebs cycle -glycolysis
cheese - yogurt - pharmaceuticals
dehiscent
2
38. What is a reactant in the photochemical reactions of photosynthesis?
water
pitcher plant
polar nuclei
starch
39. Which part of aerobic respiration results in the production of CO2?
krebs cycle
pitcher plant
interrupt the dark period with several minutes of light
protein
40. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
lumen
accessory
krebs cycle
bud scale scars
41. Where in a dicot leaf does the majority of photosynthesis occur?
effects of rising carbon dioxide
palisade mesophyll
cyanobacteria - green algae - red algae
interrupt the dark period with several minutes of light
42. What type of RNA has a codon?
mRNA
ghost plant
telophase-I
seed
43. What type of fruit develops from a cluster of many simple flowers?
orchids
multiple
eukaryotes
pairs of chromosomes that each carry an allele for a given trait
44. What are beneficial products made from bacteria?
fungi
cheese - yogurt - pharmaceuticals
pairs of chromosomes that each carry an allele for a given trait
xylem
45. During which phase of mitosis do the sister chromatids separate?
anaphase
palisade mesophyll
seed
abscistic acid
46. What is the main function of the roots of a corn plant?
starch
starch
absorption of water
starch
47. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
both gymnosperms and angiosperms
resonance
40x
48. What is the primary function of collenchyma cells?
starch
protein
structural support
pathogens
49. Heating up bacteria until it is harmless and cannot function.
pasteurization
pericycle
absorption of water
fuzzy plant
50. What process involves the movement of water across a semi-permeable membrane?
carbon dioxide
palisade mesophyll
osmosis
-regulate water loss -regulate gas exchange -allow light to enter the leaf