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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. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
ADP
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
pitcher plant
ferns
2. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
palisade mesophyll
bocarnia
starch
artificial selection
3. What type of fruit develops from a cluster of many simple flowers?
sister chromatids
tRNA
multiple
ethylene
4. What part of a stem can a tree live without?
vascular cambium
heartwood
endodermis
ferns
5. What BEST describes plant hormones?
structural support
hormones are produced in a part of a plant and act in another part.
bocarnia
tRNA
6. In what part of a flower is pollen produced?
anther
butcher's broom
2
welwichsia
7. Enzymes are an example of what type of molecule?
carbon dioxide
electron transport chain
nucleus
protein
8. Bugs crawl into 'pitchers' - tiny hairs keep them from getting out - plant breaks down enzymes - and uses nitrogen. lives in places where nitrogen is limited.
lipids
krebs cycle -glycolysis
pericycle
pitcher plant
9. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
40x
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
polar nuclei
10. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
artificial selection
butcher's broom
both gymnosperms and angiosperms
11. What is a final product of glycolysis?
-organelles -cytosol -nucleus
ghost plant
interrupt the dark period with several minutes of light
pyruvate
12. What type of RNA has a codon?
mRNA
absorption of water
evolution
carbon dioxide
13. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
dehiscent
anaphase
a changing/heterogeneous environment
fungi
14. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
iris diaphragm
cytokinnin
ADP
40x
15. What is the primary function of collenchyma cells?
vascular cambium
mangrove
krebs cycle
structural support
16. What are the major groups of algae?
pericycle
cyanobacteria - green algae - red algae
radial arrangement
synthesis of proteins
17. 'Alleles' are best described as...
40x
structural support
anther
versions of a gene
18. What organelle contains DNA?
nucleus
multiple
osmosis
artificial selection
19. During which phase of mitosis do the sister chromatids separate?
anaphase
DNA
krebs cycle -glycolysis
palisade mesophyll
20. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
anaphase
protein
ethylene
21. If an ovule is fertilized - what will it develop into?
seed
potato
NOT a sperm - microspore - or egg cell
pathogens
22. What separates during meiosis-II
sister chromatids
transcription
phytochrome
cone
23. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
krebs cycle -glycolysis
RNA
telophase-I
lichens
24. 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?
the water potential is higher in the potato than the sugar solution
ground tissue
radial arrangement
pyruvate
25. What organelle was observable in the onion epidermis stained with iodine?
interrupt the dark period with several minutes of light
interrupt the dark period with several minutes of light
nucleus
maternal sporophyte - gametophyte - daughter sporophyte
26. Change in gene frequency in a gene population over time.
orchids
-water vapor -oxygen -carbon dioxide
multiple
evolution
27. A plant that carries two different versions of a gene for a single trait is...
-water vapor -oxygen -carbon dioxide
heterozygous
lipids
40x
28. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
cheese - yogurt - pharmaceuticals
protein
phytochrome
biome
29. Have a nucleus - and a cell membrane
eukaryotes
krebs cycle -glycolysis
DNA
pyruvate
30. What separates during meiosis-II
chlorophyll-A
sister chromatids
-water vapor -oxygen -carbon dioxide
lumen
31. What is the function of the cortex in a root?
storage
sister chromatids
gymnosperms
krebs cycle
32. 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
bryophytes
starch
evolution
33. 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
nucleus
radial arrangement
translation
34. What are homologous chromosomes?
dehiscent
pairs of chromosomes that each carry an allele for a given trait
fuzzy plant
lipids
35. How are the vascular bundles of a dicot arranged in the stem?
DNA
protein
radial arrangement
accessory
36. In what part of a flower is pollen produced?
chloroplasts
anther
krebs cycle
active transport
37. During which phase of mitosis do the sister chromatids separate?
both gymnosperms and angiosperms
andom particle movement results in a net movement from high to low concentration
anaphase
prokaryotes
38. What would be a way of keeping a short-day plant from blooming?
cytokinnin
krebs cycle
effects of rising carbon dioxide
interrupt the dark period with several minutes of light
39. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
artificial selection
krebs cycle -glycolysis
ADP
cheese - yogurt - pharmaceuticals
40. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
interrupt the dark period with several minutes of light
biome
polar nuclei
welwichsia
41. 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?
the water potential is higher in the potato than the sugar solution
pitcher plant
dehiscent
palisade mesophyll
42. How does DNA replication take place?
phytochrome
ground tissue
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
bud scale scars
43. What best describes a dry fruit which opens at maturity?
dehiscent
chloroplasts
starch
hormones are produced in a part of a plant and act in another part.
44. What hormone is most important in the ripening of fruits?
pyruvate
40x
ground tissue
ethylene
45. Under what conditions would a plant utilize fermentation to obtain energy?
bionary fission and asexually
lack of available oxygen
fungi
-regulate water loss -regulate gas exchange -allow light to enter the leaf
46. What is NOT a product of the krebs cycle?
absorption of water
pyruvate
ADP
polar nuclei
47. What plant tissue functions in conducting water from the roots to the leaves?
2
xylem
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
-organelles -cytosol -nucleus
48. What part of a stem can a tree live without?
lack of available oxygen
xylem
heartwood
artificial selection
49. Three generations of gymnosperms
effects of rising carbon dioxide
the water potential is higher in the potato than the sugar solution
cyanobacteria - green algae - red algae
maternal sporophyte - gametophyte - daughter sporophyte
50. How many sperm cells does each pollen grain typically carry?
2
eukaryotes
chlorophyll-A
absorption of water