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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. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
40x
fuzzy plant
electron transport chain
mRNA
2. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
xylem
mRNA
potato
3. What organelle contains DNA?
nucleus
pasteurization
S-phase
structural support
4. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
structural support
DNA
synthesis of proteins
pericycle
5. Which substances pass through the open stomata of a leaf?
interrupt the dark period with several minutes of light
lack of available oxygen
-water vapor -oxygen -carbon dioxide
pitcher plant
6. What organelle do guard cells contain that other epidermal cells lack?
seed
artificial selection
absorption of water
chloroplasts
7. How is algae different from 'true' plants?
chloroplasts
both gymnosperms and angiosperms
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
transcription
8. Which part of aerobic respiration generates the most ATP?
polar nuclei
the water potential is higher in the potato than the sugar solution
electron transport chain
palisade mesophyll
9. What are adenine - guanine - thymine - cytosine?
cheese - yogurt - pharmaceuticals
nitrogenous base
artificial selection
ferns
10. What pigment is responsible for plants sensing day length?
zone of maturation
phytochrome
chlorophyll-A
bionary fission and asexually
11. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
lipids
accessory
carbon dioxide
hormones are produced in a part of a plant and act in another part.
12. 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
ADP
nucleus
interrupt the dark period with several minutes of light
13. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
butcher's broom
provide nutrients for a developing embryo
ground tissue
prokaryotes
14. What organelle was observable in the onion epidermis stained with iodine?
xylem
osmosis
krebs cycle -glycolysis
nucleus
15. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
pathogens
bocarnia
provide nutrients for a developing embryo
pasteurization
16. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
fuzzy plant
lack of available oxygen
mangrove
pyruvate
17. Iodine can be used to test for what molecule - resulting in a blue-black color?
tRNA
starch
heterozygous
water
18. What best describes a dry fruit which opens at maturity?
telophase-I
anther
NOT a sperm - microspore - or egg cell
dehiscent
19. What cell undergoes meiosis?
NOT a sperm - microspore - or egg cell
gymnosperms
transcription
vascular cambium
20. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
chlorophyll-A
krebs cycle -glycolysis
telophase-I
pasteurization
21. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
40x
-regulate water loss -regulate gas exchange -allow light to enter the leaf
biome
radial arrangement
22. Which class of organic macromolecule stores the greatest amount of potential energy?
leaf
lipids
ethylene
nucleus
23. Which commonly eaten food is an example of a stem?
potato
biome
40x
interrupt the dark period with several minutes of light
24. What is the function of the cortex in a root?
vascular cambium
-regulate water loss -regulate gas exchange -allow light to enter the leaf
storage
bocarnia
25. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
nucleus
active transport
polar nuclei
pyruvate
26. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
pathogens
a changing/heterogeneous environment
potato
27. During which phase of meiosis do daughter cells become haploid?
pericycle
telophase-I
transcription
lichens
28. What is a final product of aerobic respiration?
-organelles -cytosol -nucleus
gymnosperms
carbon dioxide
fuzzy plant
29. Vascular and seed bearing
both gymnosperms and angiosperms
palisade mesophyll
structural support
krebs cycle
30. What organelle do guard cells contain that other epidermal cells lack?
mRNA
anaphase
both gymnosperms and angiosperms
chloroplasts
31. How does DNA replication take place?
storage
butcher's broom
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
pericycle
32. How do bacteria reproduce?
seed
bryophytes
bionary fission and asexually
palisade mesophyll
33. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
lipids
2
carbon dioxide
34. What pigment is responsible for plants sensing day length?
electron transport chain
endodermis
phytochrome
anaphase
35. Have a nucleus - and a cell membrane
evolution
versions of a gene
absorption of water
eukaryotes
36. What are harmful effects of bacteria?
pathogens
fuzzy plant
NOT a sperm - microspore - or egg cell
starch
37. During which phase of mitosis does the nuclear envelope disappear?
40x
bocarnia
nucleus
prophase
38. What is a product of the biochemical reactions of photosynthesis?
40x
nucleus
starch
natural selection
39. 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
natural selection
resonance
lumen
40. What organelle contains DNA?
pasteurization
starch
nucleus
RNA
41. Which part of aerobic respiration generates the most ATP?
welwichsia
lumen
pathogens
electron transport chain
42. During which phase of mitosis do the sister chromatids separate?
anaphase
potato
pathogens
welwichsia
43. What causes diffusion of gases to occur?
DNA
krebs cycle
andom particle movement results in a net movement from high to low concentration
40x
44. How are the vascular bundles of a dicot arranged in the stem?
radial arrangement
biome
krebs cycle -glycolysis
absorption of water
45. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
active transport
cytokinnin
radial arrangement
tRNA
46. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
pericycle
ADP
anther
47. What type of RNA has an anticodon?
storage
nucleus
iris diaphragm
tRNA
48. What pigment absorbs energy and can emit an electron in photosynthesis?
pairs of chromosomes that each carry an allele for a given trait
chlorophyll-A
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
starch
49. In what portion of a root might you find 'root hairs'?
translation
cheese - yogurt - pharmaceuticals
zone of maturation
osmosis
50. During which phase of mitosis does the nuclear envelope disappear?
carbon dioxide
prophase
leaf
cytokinnin