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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 process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
biome
mRNA
multiple
active transport
2. Vascular and seed bearing
nucleus
a changing/heterogeneous environment
nucleus
both gymnosperms and angiosperms
3. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
potato
prokaryotes
natural selection
starch
4. What are the major groups of algae?
ferns
accessory
cyanobacteria - green algae - red algae
fungi
5. You can determine the age of a woody branch by counting these
fuzzy plant
bud scale scars
water
electron transport chain
6. How is algae different from 'true' plants?
cheese - yogurt - pharmaceuticals
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
pathogens
RNA
7. A plant that carries two different versions of a gene for a single trait is...
translation
cone
heterozygous
sister chromatids
8. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
fuzzy plant
translation
osmosis
carbon dioxide
9. During which phase of mitosis do the sister chromatids separate?
lipids
bocarnia
anaphase
butcher's broom
10. What are homologous chromosomes?
pairs of chromosomes that each carry an allele for a given trait
the water potential is higher in the potato than the sugar solution
water
the water potential is higher in the potato than the sugar solution
11. During which phase of the cell cycle does DNA replication occur?
mangrove
S-phase
nitrogenous base
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
12. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
fuzzy plant
leaf
starch
artificial selection
13. Epiphytes - valemine breaks down compost in roots
ferns
bionary fission and asexually
orchids
cyanobacteria - green algae - red algae
14. Which part of aerobic respiration results in the production of CO2?
fuzzy plant
krebs cycle
prophase
bud scale scars
15. Have a nucleus - and a cell membrane
eukaryotes
fuzzy plant
DNA
gymnosperms
16. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
versions of a gene
andom particle movement results in a net movement from high to low concentration
vascular cambium
17. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
lipids
krebs cycle -glycolysis
absorption of water
krebs cycle
18. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
krebs cycle
storage
bocarnia
19. 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
gymnosperms
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
pathogens
cheese - yogurt - pharmaceuticals
20. Which part of aerobic respiration results in the production of CO2?
krebs cycle
natural selection
lichens
cytokinnin
21. What is NOT a function of the vacuole?
cyanobacteria - green algae - red algae
bionary fission and asexually
polar nuclei
synthesis of proteins
22. Which class of organic macromolecule stores the greatest amount of potential energy?
lipids
chlorophyll-A
phytochrome
S-phase
23. What part of a stem can a tree live without?
heartwood
the water potential is higher in the potato than the sugar solution
maternal sporophyte - gametophyte - daughter sporophyte
-regulate water loss -regulate gas exchange -allow light to enter the leaf
24. What pigment is responsible for plants sensing day length?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
sister chromatids
potato
phytochrome
25. What process involves the movement of water across a semi-permeable membrane?
hormones are produced in a part of a plant and act in another part.
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
osmosis
mangrove
26. What hormone is most important in the ripening of fruits?
lipids
electron transport chain
ethylene
pyruvate
27. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
versions of a gene
mRNA
lumen
bud scale scars
28. What type of RNA has an anticodon?
leaf
sister chromatids
tRNA
dehiscent
29. What is considered part of the protoplast?
-organelles -cytosol -nucleus
xylem
pathogens
prophase
30. 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.
welwichsia
electron transport chain
bryophytes
RNA
31. What is NOT a structure found on a typical flowering plant?
carbon dioxide
radial arrangement
cytokinnin
cone
32. How is algae different from 'true' plants?
both gymnosperms and angiosperms
cheese - yogurt - pharmaceuticals
active transport
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
33. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
-regulate water loss -regulate gas exchange -allow light to enter the leaf
palisade mesophyll
DNA
34. Where in a dicot leaf does the majority of photosynthesis occur?
cyanobacteria - green algae - red algae
iris diaphragm
sister chromatids
palisade mesophyll
35. What tissue can be found in a root but not in a stem?
mangrove
biome
pericycle
structural support
36. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
starch
multiple
bryophytes
natural selection
37. Enzymes are an example of what type of molecule?
protein
gymnosperms
versions of a gene
electron transport chain
38. What is a reactant in the photochemical reactions of photosynthesis?
both gymnosperms and angiosperms
krebs cycle -glycolysis
ADP
water
39. 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.
welwichsia
phytochrome
-regulate water loss -regulate gas exchange -allow light to enter the leaf
gymnosperms
40. How many sperm cells does each pollen grain typically carry?
pitcher plant
2
heterozygous
prophase
41. What is the main function of the roots of a corn plant?
NOT a sperm - microspore - or egg cell
-water vapor -oxygen -carbon dioxide
absorption of water
lack of available oxygen
42. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
chloroplasts
ferns
RNA
43. What structure is MOST important in generating root pressure?
starch
cone
endodermis
bocarnia
44. Transfer of DNA to RNA
transcription
cheese - yogurt - pharmaceuticals
osmosis
bud scale scars
45. Where in a plant is the water potential lowest?
leaf
cheese - yogurt - pharmaceuticals
-regulate water loss -regulate gas exchange -allow light to enter the leaf
absorption of water
46. What type of fruit develops from a cluster of many simple flowers?
mangrove
storage
multiple
interrupt the dark period with several minutes of light
47. Change in gene frequency in a gene population over time.
lumen
leaf
evolution
pairs of chromosomes that each carry an allele for a given trait
48. How are the vascular bundles of a dicot arranged in the stem?
iris diaphragm
krebs cycle
interrupt the dark period with several minutes of light
radial arrangement
49. 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?
gymnosperms
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
effects of rising carbon dioxide
the water potential is higher in the potato than the sugar solution
50. What type of RNA has a codon?
vascular cambium
mRNA
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
biome