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Test your basic knowledge |
Botany Test
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Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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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. 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
resonance
gymnosperms
welwichsia
2
2. What process involves the movement of water across a semi-permeable membrane?
krebs cycle -glycolysis
osmosis
anther
carbon dioxide
3. What is a final product of glycolysis?
pyruvate
storage
starch
the water potential is higher in the potato than the sugar solution
4. What is NOT a function of the vacuole?
mRNA
synthesis of proteins
accessory
protein
5. What type of RNA has an anticodon?
osmosis
zone of maturation
tRNA
the water potential is higher in the potato than the sugar solution
6. What best describes a dry fruit which opens at maturity?
tRNA
RNA
leaf
dehiscent
7. What is a product of the biochemical reactions of photosynthesis?
cytokinnin
starch
andom particle movement results in a net movement from high to low concentration
a changing/heterogeneous environment
8. Which class of organic macromolecule stores the greatest amount of potential energy?
pairs of chromosomes that each carry an allele for a given trait
40x
lipids
cheese - yogurt - pharmaceuticals
9. What is a final product of aerobic respiration?
carbon dioxide
-organelles -cytosol -nucleus
the water potential is higher in the potato than the sugar solution
both gymnosperms and angiosperms
10. In what portion of a root might you find 'root hairs'?
zone of maturation
storage
welwichsia
-regulate water loss -regulate gas exchange -allow light to enter the leaf
11. What is NOT a structure found on a typical flowering plant?
nucleus
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
cone
bionary fission and asexually
12. Three generations of gymnosperms
-regulate water loss -regulate gas exchange -allow light to enter the leaf
maternal sporophyte - gametophyte - daughter sporophyte
structural support
anther
13. Transferring of the information from the DNA into the language of the mRNA.
translation
bryophytes
transcription
palisade mesophyll
14. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
starch
biome
nucleus
15. What are homologous chromosomes?
andom particle movement results in a net movement from high to low concentration
xylem
pairs of chromosomes that each carry an allele for a given trait
prokaryotes
16. How do bacteria reproduce?
anaphase
bionary fission and asexually
interrupt the dark period with several minutes of light
effects of rising carbon dioxide
17. What hormone is most important in the ripening of fruits?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
cheese - yogurt - pharmaceuticals
bocarnia
ethylene
18. Which substances pass through the open stomata of a leaf?
leaf
-water vapor -oxygen -carbon dioxide
40x
pasteurization
19. 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.
bryophytes
provide nutrients for a developing embryo
accessory
lichens
20. What would be a way of keeping a short-day plant from blooming?
interrupt the dark period with several minutes of light
mangrove
nitrogenous base
iris diaphragm
21. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
mRNA
krebs cycle -glycolysis
DNA
biome
22. What pigment is responsible for plants sensing day length?
potato
RNA
phytochrome
40x
23. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
starch
ADP
artificial selection
iris diaphragm
24. What part of a stem can a tree live without?
2
-water vapor -oxygen -carbon dioxide
accessory
heartwood
25. What pigment absorbs energy and can emit an electron in photosynthesis?
nitrogenous base
lichens
versions of a gene
chlorophyll-A
26. Transfer of DNA to RNA
synthesis of proteins
transcription
-organelles -cytosol -nucleus
potato
27. During which phase of mitosis do the sister chromatids separate?
biome
anaphase
accessory
abscistic acid
28. What BEST describes plant hormones?
cheese - yogurt - pharmaceuticals
transcription
seed
hormones are produced in a part of a plant and act in another part.
29. Transfer of DNA to RNA
telophase-I
starch
transcription
translation
30. What contains the most potential energy?
carbon dioxide
40x
starch
fuzzy plant
31. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
eukaryotes
radial arrangement
active transport
interrupt the dark period with several minutes of light
32. If an ovule is fertilized - what will it develop into?
anaphase
maternal sporophyte - gametophyte - daughter sporophyte
lipids
seed
33. During which phase of the cell cycle does DNA replication occur?
ADP
ground tissue
seed
S-phase
34. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
bionary fission and asexually
polar nuclei
phytochrome
40x
35. What is a final product of aerobic respiration?
versions of a gene
mangrove
NOT a sperm - microspore - or egg cell
carbon dioxide
36. Have a nucleus - and a cell membrane
starch
polar nuclei
mangrove
eukaryotes
37. Epiphytes - valemine breaks down compost in roots
orchids
polar nuclei
vascular cambium
chlorophyll-A
38. What organelle was observable in the onion epidermis stained with iodine?
chlorophyll-A
structural support
fungi
nucleus
39. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
fungi
andom particle movement results in a net movement from high to low concentration
krebs cycle
accessory
40. What is NOT a structure found on a typical flowering plant?
40x
orchids
lack of available oxygen
cone
41. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
orchids
starch
translation
fungi
42. What is a reactant in the photochemical reactions of photosynthesis?
zone of maturation
water
prophase
resonance
43. Info. carrying molecule - single stranded
electron transport chain
heartwood
mRNA
RNA
44. Where in a plant is the water potential lowest?
-organelles -cytosol -nucleus
ethylene
ethylene
leaf
45. During which phase of mitosis does the nuclear envelope disappear?
orchids
palisade mesophyll
iris diaphragm
prophase
46. In what portion of a root might you find 'root hairs'?
synthesis of proteins
zone of maturation
storage
gymnosperms
47. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
xylem
anaphase
both gymnosperms and angiosperms
a changing/heterogeneous environment
48. You can determine the age of a woody branch by counting these
bud scale scars
NOT a sperm - microspore - or egg cell
lack of available oxygen
ferns
49. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
welwichsia
vascular cambium
butcher's broom
osmosis
50. If an ovule is fertilized - what will it develop into?
synthesis of proteins
seed
-regulate water loss -regulate gas exchange -allow light to enter the leaf
anther
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