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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. A plant that carries two different versions of a gene for a single trait is...
pathogens
evolution
anaphase
heterozygous
2. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
lack of available oxygen
provide nutrients for a developing embryo
abscistic acid
anther
3. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
RNA
DNA
ferns
cheese - yogurt - pharmaceuticals
4. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
andom particle movement results in a net movement from high to low concentration
protein
heterozygous
cytokinnin
5. Transferring of the information from the DNA into the language of the mRNA.
translation
pairs of chromosomes that each carry an allele for a given trait
fuzzy plant
natural selection
6. How does DNA replication take place?
palisade mesophyll
cone
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
synthesis of proteins
7. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
biome
fungi
telophase-I
8. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
multiple
provide nutrients for a developing embryo
chlorophyll-A
9. During which phase of mitosis do the sister chromatids separate?
natural selection
tRNA
pasteurization
anaphase
10. What plant tissue functions in conducting water from the roots to the leaves?
heterozygous
potato
cone
xylem
11. Heating up bacteria until it is harmless and cannot function.
pasteurization
pairs of chromosomes that each carry an allele for a given trait
-regulate water loss -regulate gas exchange -allow light to enter the leaf
krebs cycle
12. Enzymes are an example of what type of molecule?
bionary fission and asexually
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
water
protein
13. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
active transport
hormones are produced in a part of a plant and act in another part.
prophase
a changing/heterogeneous environment
14. What best describes a dry fruit which opens at maturity?
dehiscent
structural support
seed
bocarnia
15. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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16. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
phytochrome
hormones are produced in a part of a plant and act in another part.
ferns
40x
17. Where in a plant is the water potential lowest?
versions of a gene
bud scale scars
leaf
chlorophyll-A
18. Iodine can be used to test for what molecule - resulting in a blue-black color?
ground tissue
starch
anther
prophase
19. What is the main function of the roots of a corn plant?
multiple
anther
absorption of water
mangrove
20. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
ferns
pairs of chromosomes that each carry an allele for a given trait
lichens
telophase-I
21. During which phase of meiosis do daughter cells become haploid?
butcher's broom
translation
palisade mesophyll
telophase-I
22. During which phase of mitosis does the nuclear envelope disappear?
heterozygous
prophase
phytochrome
xylem
23. What organelle contains DNA?
cytokinnin
nucleus
bryophytes
pyruvate
24. What separates during meiosis-II
orchids
biome
sister chromatids
storage
25. What is a function of the epidermis?
NOT a sperm - microspore - or egg cell
-regulate water loss -regulate gas exchange -allow light to enter the leaf
bionary fission and asexually
ferns
26. How do bacteria reproduce?
pairs of chromosomes that each carry an allele for a given trait
potato
bionary fission and asexually
40x
27. What is the function of the cortex in a root?
storage
lack of available oxygen
natural selection
andom particle movement results in a net movement from high to low concentration
28. What type of RNA has a codon?
bionary fission and asexually
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
osmosis
mRNA
29. What are harmful effects of bacteria?
resonance
artificial selection
lumen
pathogens
30. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
telophase-I
abscistic acid
ethylene
prokaryotes
31. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
fuzzy plant
versions of a gene
resonance
maternal sporophyte - gametophyte - daughter sporophyte
32. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
interrupt the dark period with several minutes of light
the water potential is higher in the potato than the sugar solution
biome
krebs cycle
33. What are adenine - guanine - thymine - cytosine?
-organelles -cytosol -nucleus
natural selection
nitrogenous base
heartwood
34. What causes diffusion of gases to occur?
andom particle movement results in a net movement from high to low concentration
ground tissue
electron transport chain
accessory
35. What is NOT a function of the vacuole?
40x
absorption of water
synthesis of proteins
radial arrangement
36. Heating up bacteria until it is harmless and cannot function.
pasteurization
polar nuclei
polar nuclei
effects of rising carbon dioxide
37. What hormone is most important in the ripening of fruits?
ethylene
bud scale scars
-regulate water loss -regulate gas exchange -allow light to enter the leaf
radial arrangement
38. What best describes a dry fruit which opens at maturity?
dehiscent
prophase
krebs cycle -glycolysis
mangrove
39. Transfer of DNA to RNA
nucleus
hormones are produced in a part of a plant and act in another part.
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
transcription
40. You can determine the age of a woody branch by counting these
bud scale scars
osmosis
starch
cheese - yogurt - pharmaceuticals
41. Where in a plant is the water potential lowest?
hormones are produced in a part of a plant and act in another part.
transcription
leaf
biome
42. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
chloroplasts
sister chromatids
eukaryotes
43. What is the main function of the roots of a corn plant?
40x
absorption of water
2
versions of a gene
44. What is a final product of glycolysis?
absorption of water
prokaryotes
both gymnosperms and angiosperms
pyruvate
45. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
40x
structural support
xylem
carbon dioxide
46. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
osmosis
prophase
ethylene
47. What is the primary function of collenchyma cells?
zone of maturation
structural support
heartwood
versions of a gene
48. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
seed
absorption of water
endodermis
a changing/heterogeneous environment
49. In what portion of a root might you find 'root hairs'?
effects of rising carbon dioxide
the water potential is higher in the potato than the sugar solution
zone of maturation
S-phase
50. Enzymes are an example of what type of molecule?
sister chromatids
eukaryotes
krebs cycle
protein