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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. What is the primary function of collenchyma cells?
40x
hormones are produced in a part of a plant and act in another part.
bionary fission and asexually
structural support
2. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
tRNA
krebs cycle -glycolysis
nucleus
bud scale scars
3. What is a function of the epidermis?
both gymnosperms and angiosperms
-regulate water loss -regulate gas exchange -allow light to enter the leaf
carbon dioxide
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
4. Where in a dicot leaf does the majority of photosynthesis occur?
bryophytes
palisade mesophyll
pericycle
lipids
5. What are the major groups of algae?
welwichsia
cyanobacteria - green algae - red algae
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
mRNA
6. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
RNA
pairs of chromosomes that each carry an allele for a given trait
resonance
andom particle movement results in a net movement from high to low concentration
7. What hormone is most important in the ripening of fruits?
ethylene
storage
multiple
pathogens
8. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
natural selection
heartwood
NOT a sperm - microspore - or egg cell
9. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
evolution
abscistic acid
hormones are produced in a part of a plant and act in another part.
anaphase
10. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
cyanobacteria - green algae - red algae
translation
ghost plant
11. What separates during meiosis-II
sister chromatids
tRNA
lack of available oxygen
protein
12. Which part of aerobic respiration generates the most ATP?
chlorophyll-A
electron transport chain
resonance
pasteurization
13. Which part of aerobic respiration results in the production of CO2?
palisade mesophyll
pathogens
krebs cycle
maternal sporophyte - gametophyte - daughter sporophyte
14. 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
palisade mesophyll
-organelles -cytosol -nucleus
gymnosperms
heterozygous
15. 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.
sister chromatids
DNA
pitcher plant
-regulate water loss -regulate gas exchange -allow light to enter the leaf
16. What are harmful effects of bacteria?
maternal sporophyte - gametophyte - daughter sporophyte
biome
pathogens
pyruvate
17. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
andom particle movement results in a net movement from high to low concentration
the water potential is higher in the potato than the sugar solution
40x
a changing/heterogeneous environment
18. What is considered part of the protoplast?
zone of maturation
mRNA
zone of maturation
-organelles -cytosol -nucleus
19. What organelle contains DNA?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
nucleus
maternal sporophyte - gametophyte - daughter sporophyte
tRNA
20. What part of a stem can a tree live without?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
heartwood
pericycle
lichens
21. What are beneficial products made from bacteria?
osmosis
cheese - yogurt - pharmaceuticals
sister chromatids
nucleus
22. What is a final product of glycolysis?
ADP
pyruvate
pericycle
NOT a sperm - microspore - or egg cell
23. 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
artificial selection
phytochrome
gymnosperms
anther
24. A plant that carries two different versions of a gene for a single trait is...
heterozygous
synthesis of proteins
bionary fission and asexually
a changing/heterogeneous environment
25. 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.
pasteurization
fungi
bryophytes
leaf
26. What type of RNA has a codon?
pathogens
evolution
mRNA
xylem
27. What are the major groups of algae?
pyruvate
prophase
cyanobacteria - green algae - red algae
orchids
28. What type of RNA has a codon?
hormones are produced in a part of a plant and act in another part.
mRNA
nitrogenous base
lumen
29. 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?
provide nutrients for a developing embryo
the water potential is higher in the potato than the sugar solution
structural support
prophase
30. What is the function of the cortex in a root?
-organelles -cytosol -nucleus
storage
bocarnia
nucleus
31. During which phase of mitosis does the nuclear envelope disappear?
both gymnosperms and angiosperms
starch
prophase
pitcher plant
32. Change in gene frequency in a gene population over time.
mRNA
evolution
translation
pericycle
33. In what part of a flower is pollen produced?
anther
nucleus
welwichsia
artificial selection
34. 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.
pitcher plant
-organelles -cytosol -nucleus
krebs cycle
versions of a gene
35. Heating up bacteria until it is harmless and cannot function.
palisade mesophyll
pasteurization
heterozygous
lack of available oxygen
36. You can determine the age of a woody branch by counting these
heartwood
bionary fission and asexually
bud scale scars
ground tissue
37. What organelle was observable in the onion epidermis stained with iodine?
40x
versions of a gene
nucleus
krebs cycle
38. What contains the most potential energy?
cytokinnin
starch
multiple
fungi
39. What structure is MOST important in generating root pressure?
nitrogenous base
ferns
endodermis
lumen
40. What organelle was observable in the onion epidermis stained with iodine?
-water vapor -oxygen -carbon dioxide
carbon dioxide
nucleus
pairs of chromosomes that each carry an allele for a given trait
41. During which phase of mitosis does the nuclear envelope disappear?
gymnosperms
chlorophyll-A
RNA
prophase
42. What plant tissue functions in conducting water from the roots to the leaves?
chloroplasts
-organelles -cytosol -nucleus
xylem
storage
43. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
mRNA
bud scale scars
potato
vascular cambium
44. What is a product of the biochemical reactions of photosynthesis?
water
effects of rising carbon dioxide
iris diaphragm
starch
45. Transfer of DNA to RNA
pathogens
nitrogenous base
transcription
xylem
46. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
potato
multiple
-organelles -cytosol -nucleus
47. What contains the most potential energy?
starch
cyanobacteria - green algae - red algae
bryophytes
dehiscent
48. How many sperm cells does each pollen grain typically carry?
translation
endodermis
2
bocarnia
49. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
active transport
chlorophyll-A
bocarnia
electron transport chain
50. During which phase of mitosis do the sister chromatids separate?
lack of available oxygen
butcher's broom
anaphase
natural selection
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