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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. During which phase of mitosis does the nuclear envelope disappear?
fuzzy plant
prophase
radial arrangement
gymnosperms
2. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
cone
polar nuclei
transcription
nucleus
3. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
a changing/heterogeneous environment
gymnosperms
nucleus
40x
4. What type of fruit develops from a cluster of many simple flowers?
chlorophyll-A
multiple
evolution
endodermis
5. How is algae different from 'true' plants?
krebs cycle -glycolysis
starch
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
butcher's broom
6. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
lipids
translation
artificial selection
7. 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
tRNA
gymnosperms
-regulate water loss -regulate gas exchange -allow light to enter the leaf
interrupt the dark period with several minutes of light
8. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
hormones are produced in a part of a plant and act in another part.
fuzzy plant
multiple
radial arrangement
9. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
lichens
fungi
anther
heterozygous
10. What organelle do guard cells contain that other epidermal cells lack?
lumen
palisade mesophyll
evolution
chloroplasts
11. Enzymes are an example of what type of molecule?
protein
krebs cycle -glycolysis
2
-organelles -cytosol -nucleus
12. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
carbon dioxide
translation
iris diaphragm
13. A plant that carries two different versions of a gene for a single trait is...
mangrove
starch
heterozygous
butcher's broom
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
bionary fission and asexually
synthesis of proteins
gymnosperms
interrupt the dark period with several minutes of light
15. What are adenine - guanine - thymine - cytosine?
starch
nitrogenous base
andom particle movement results in a net movement from high to low concentration
krebs cycle -glycolysis
16. What is a final product of aerobic respiration?
starch
carbon dioxide
dehiscent
bryophytes
17. Transferring of the information from the DNA into the language of the mRNA.
water
multiple
translation
-water vapor -oxygen -carbon dioxide
18. What are beneficial products made from bacteria?
abscistic acid
radial arrangement
bocarnia
cheese - yogurt - pharmaceuticals
19. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
lumen
starch
pericycle
fungi
20. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
eukaryotes
bryophytes
ferns
lack of available oxygen
21. Which part of aerobic respiration results in the production of CO2?
potato
krebs cycle
chlorophyll-A
vascular cambium
22. What is the main function of the roots of a corn plant?
bionary fission and asexually
effects of rising carbon dioxide
absorption of water
active transport
23. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
osmosis
transcription
dehiscent
lumen
24. What type of RNA has a codon?
mRNA
pericycle
S-phase
transcription
25. What contains the most potential energy?
starch
heartwood
resonance
palisade mesophyll
26. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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27. 'Alleles' are best described as...
osmosis
versions of a gene
the water potential is higher in the potato than the sugar solution
telophase-I
28. What separates during meiosis-II
sister chromatids
orchids
multiple
synthesis of proteins
29. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
effects of rising carbon dioxide
osmosis
lack of available oxygen
30. Transfer of DNA to RNA
-water vapor -oxygen -carbon dioxide
DNA
transcription
electron transport chain
31. If an ovule is fertilized - what will it develop into?
seed
chlorophyll-A
ethylene
accessory
32. How does DNA replication take place?
DNA
tRNA
andom particle movement results in a net movement from high to low concentration
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
33. Which part of aerobic respiration results in the production of CO2?
potato
cone
absorption of water
krebs cycle
34. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
eukaryotes
bocarnia
ghost plant
35. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
cone
nitrogenous base
resonance
starch
36. Info. carrying molecule - single stranded
chloroplasts
cheese - yogurt - pharmaceuticals
lumen
RNA
37. What is considered part of the protoplast?
eukaryotes
electron transport chain
pitcher plant
-organelles -cytosol -nucleus
38. Under what conditions would a plant utilize fermentation to obtain energy?
lack of available oxygen
RNA
ethylene
effects of rising carbon dioxide
39. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
biome
orchids
electron transport chain
bocarnia
40. What hormone is most important in the ripening of fruits?
accessory
cyanobacteria - green algae - red algae
bocarnia
ethylene
41. What is NOT a structure found on a typical flowering plant?
carbon dioxide
evolution
cone
phytochrome
42. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
zone of maturation
active transport
polar nuclei
both gymnosperms and angiosperms
43. Transferring of the information from the DNA into the language of the mRNA.
effects of rising carbon dioxide
translation
polar nuclei
interrupt the dark period with several minutes of light
44. 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
bud scale scars
-water vapor -oxygen -carbon dioxide
active transport
45. During which phase of mitosis do the sister chromatids separate?
nucleus
anaphase
palisade mesophyll
interrupt the dark period with several minutes of light
46. During which phase of the cell cycle does DNA replication occur?
krebs cycle
structural support
S-phase
translation
47. How does DNA replication take place?
abscistic acid
iris diaphragm
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
telophase-I
48. Which commonly eaten food is an example of a stem?
potato
lumen
nucleus
a changing/heterogeneous environment
49. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
radial arrangement
heartwood
pathogens
DNA
50. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
pericycle
leaf
iris diaphragm
NOT a sperm - microspore - or egg cell