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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. What is a reactant in the photochemical reactions of photosynthesis?
DNA
water
-organelles -cytosol -nucleus
heartwood
2. Vascular and seed bearing
both gymnosperms and angiosperms
structural support
provide nutrients for a developing embryo
eukaryotes
3. 'Alleles' are best described as...
resonance
transcription
carbon dioxide
versions of a gene
4. Under what conditions would a plant utilize fermentation to obtain energy?
evolution
lack of available oxygen
butcher's broom
S-phase
5. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
ferns
mRNA
pyruvate
krebs cycle
6. What type of RNA has a codon?
biome
fungi
electron transport chain
mRNA
7. Iodine can be used to test for what molecule - resulting in a blue-black color?
RNA
leaf
osmosis
starch
8. What causes diffusion of gases to occur?
DNA
starch
andom particle movement results in a net movement from high to low concentration
DNA
9. Enzymes are an example of what type of molecule?
cheese - yogurt - pharmaceuticals
protein
endodermis
krebs cycle
10. What is a final product of aerobic respiration?
orchids
biome
versions of a gene
carbon dioxide
11. Enzymes are an example of what type of molecule?
protein
accessory
bocarnia
RNA
12. How does DNA replication take place?
active transport
eukaryotes
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
2
13. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
interrupt the dark period with several minutes of light
40x
maternal sporophyte - gametophyte - daughter sporophyte
14. What is a product of the biochemical reactions of photosynthesis?
starch
potato
-water vapor -oxygen -carbon dioxide
ADP
15. What type of RNA has a codon?
ferns
potato
bryophytes
mRNA
16. How are the vascular bundles of a dicot arranged in the stem?
ferns
endodermis
radial arrangement
prokaryotes
17. 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.
butcher's broom
pitcher plant
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
osmosis
18. What is NOT a function of the vacuole?
butcher's broom
synthesis of proteins
pasteurization
nucleus
19. What are adenine - guanine - thymine - cytosine?
ground tissue
pasteurization
nitrogenous base
prokaryotes
20. What are beneficial products made from bacteria?
-water vapor -oxygen -carbon dioxide
cheese - yogurt - pharmaceuticals
abscistic acid
provide nutrients for a developing embryo
21. 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
gymnosperms
electron transport chain
heterozygous
protein
22. Have a nucleus - and a cell membrane
eukaryotes
prophase
tRNA
andom particle movement results in a net movement from high to low concentration
23. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
ADP
ground tissue
pasteurization
nitrogenous base
24. What pigment is responsible for plants sensing day length?
phytochrome
tRNA
bionary fission and asexually
water
25. Which part of aerobic respiration results in the production of CO2?
both gymnosperms and angiosperms
hormones are produced in a part of a plant and act in another part.
krebs cycle
starch
26. What pigment absorbs energy and can emit an electron in photosynthesis?
radial arrangement
chlorophyll-A
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
butcher's broom
27. What type of RNA has an anticodon?
tRNA
translation
lichens
active transport
28. What is a final product of glycolysis?
pyruvate
xylem
protein
zone of maturation
29. How do bacteria reproduce?
prokaryotes
bionary fission and asexually
osmosis
orchids
30. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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31. Transferring of the information from the DNA into the language of the mRNA.
translation
fuzzy plant
heartwood
pitcher plant
32. What would be a way of keeping a short-day plant from blooming?
leaf
both gymnosperms and angiosperms
pairs of chromosomes that each carry an allele for a given trait
interrupt the dark period with several minutes of light
33. Have a cell wall - no membrane - and no nucleus
nucleus
prokaryotes
-regulate water loss -regulate gas exchange -allow light to enter the leaf
ethylene
34. During which phase of mitosis does the nuclear envelope disappear?
both gymnosperms and angiosperms
anaphase
prophase
biome
35. 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.
mRNA
welwichsia
pathogens
heterozygous
36. What contains the most potential energy?
multiple
starch
cheese - yogurt - pharmaceuticals
pyruvate
37. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
hormones are produced in a part of a plant and act in another part.
a changing/heterogeneous environment
abscistic acid
mRNA
38. 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
absorption of water
effects of rising carbon dioxide
lack of available oxygen
interrupt the dark period with several minutes of light
39. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
ghost plant
resonance
natural selection
gymnosperms
40. Have a nucleus - and a cell membrane
welwichsia
translation
eukaryotes
pericycle
41. How do bacteria reproduce?
a changing/heterogeneous environment
artificial selection
heterozygous
bionary fission and asexually
42. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
RNA
carbon dioxide
lumen
a changing/heterogeneous environment
43. Three generations of gymnosperms
palisade mesophyll
maternal sporophyte - gametophyte - daughter sporophyte
tRNA
versions of a gene
44. Iodine can be used to test for what molecule - resulting in a blue-black color?
butcher's broom
starch
lichens
pyruvate
45. Which commonly eaten food is an example of a stem?
potato
accessory
RNA
starch
46. What organelle do guard cells contain that other epidermal cells lack?
prophase
leaf
hormones are produced in a part of a plant and act in another part.
chloroplasts
47. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
pasteurization
pasteurization
lipids
abscistic acid
48. 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
active transport
anther
49. A plant that carries two different versions of a gene for a single trait is...
krebs cycle
nitrogenous base
heterozygous
starch
50. Have a cell wall - no membrane - and no nucleus
-organelles -cytosol -nucleus
cheese - yogurt - pharmaceuticals
prokaryotes
nucleus