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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. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
biome
eukaryotes
fungi
-regulate water loss -regulate gas exchange -allow light to enter the leaf
2. What hormone is most important in the ripening of fruits?
orchids
accessory
ethylene
nucleus
3. What type of RNA has an anticodon?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
synthesis of proteins
pasteurization
tRNA
4. In what portion of a root might you find 'root hairs'?
ethylene
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
zone of maturation
andom particle movement results in a net movement from high to low concentration
5. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
versions of a gene
bryophytes
ferns
cytokinnin
6. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
DNA
structural support
artificial selection
orchids
7. 'Alleles' are best described as...
versions of a gene
provide nutrients for a developing embryo
nucleus
butcher's broom
8. What is a function of the epidermis?
carbon dioxide
eukaryotes
lichens
-regulate water loss -regulate gas exchange -allow light to enter the leaf
9. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
lichens
fuzzy plant
40x
radial arrangement
10. What type of RNA has an anticodon?
mangrove
chloroplasts
tRNA
electron transport chain
11. What process involves the movement of water across a semi-permeable membrane?
sister chromatids
NOT a sperm - microspore - or egg cell
osmosis
prophase
12. 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?
ethylene
the water potential is higher in the potato than the sugar solution
orchids
interrupt the dark period with several minutes of light
13. How is algae different from 'true' plants?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
chloroplasts
water
versions of a gene
14. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
synthesis of proteins
bud scale scars
RNA
15. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
dehiscent
hormones are produced in a part of a plant and act in another part.
mangrove
chloroplasts
16. Which commonly eaten food is an example of a stem?
xylem
starch
nucleus
potato
17. What plant tissue functions in conducting water from the roots to the leaves?
osmosis
natural selection
translation
xylem
18. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
natural selection
lichens
ground tissue
dehiscent
19. During which phase of mitosis does the nuclear envelope disappear?
carbon dioxide
prophase
protein
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
20. 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.
leaf
welwichsia
versions of a gene
telophase-I
21. What are beneficial products made from bacteria?
zone of maturation
cheese - yogurt - pharmaceuticals
ghost plant
40x
22. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
cone
potato
the water potential is higher in the potato than the sugar solution
polar nuclei
23. Transfer of DNA to RNA
cytokinnin
transcription
versions of a gene
pairs of chromosomes that each carry an allele for a given trait
24. What cell undergoes meiosis?
NOT a sperm - microspore - or egg cell
bryophytes
butcher's broom
pyruvate
25. What structure is MOST important in generating root pressure?
butcher's broom
both gymnosperms and angiosperms
electron transport chain
endodermis
26. In what portion of a root might you find 'root hairs'?
zone of maturation
translation
prophase
krebs cycle
27. What is the role of endosperm?
evolution
polar nuclei
protein
provide nutrients for a developing embryo
28. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
osmosis
leaf
DNA
29. Iodine can be used to test for what molecule - resulting in a blue-black color?
the water potential is higher in the potato than the sugar solution
multiple
starch
palisade mesophyll
30. What hormone is most important in the ripening of fruits?
heartwood
ethylene
bud scale scars
lack of available oxygen
31. What process involves the movement of water across a semi-permeable membrane?
active transport
lumen
osmosis
eukaryotes
32. You can determine the age of a woody branch by counting these
-organelles -cytosol -nucleus
hormones are produced in a part of a plant and act in another part.
nitrogenous base
bud scale scars
33. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
synthesis of proteins
accessory
osmosis
lipids
34. What cell undergoes meiosis?
cytokinnin
ADP
NOT a sperm - microspore - or egg cell
radial arrangement
35. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
bionary fission and asexually
prokaryotes
ghost plant
cheese - yogurt - pharmaceuticals
36. What type of RNA has a codon?
iris diaphragm
mRNA
lipids
prophase
37. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
endodermis
lichens
interrupt the dark period with several minutes of light
maternal sporophyte - gametophyte - daughter sporophyte
38. A plant that carries two different versions of a gene for a single trait is...
heterozygous
anther
seed
cheese - yogurt - pharmaceuticals
39. Which part of aerobic respiration results in the production of CO2?
interrupt the dark period with several minutes of light
lichens
krebs cycle
effects of rising carbon dioxide
40. Epiphytes - valemine breaks down compost in roots
accessory
lichens
prophase
orchids
41. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
starch
40x
versions of a gene
provide nutrients for a developing embryo
42. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
provide nutrients for a developing embryo
active transport
fuzzy plant
protein
43. Have a nucleus - and a cell membrane
eukaryotes
40x
natural selection
-organelles -cytosol -nucleus
44. What tissue can be found in a root but not in a stem?
anaphase
starch
effects of rising carbon dioxide
pericycle
45. Have a cell wall - no membrane - and no nucleus
prokaryotes
leaf
starch
nitrogenous base
46. Where in a dicot leaf does the majority of photosynthesis occur?
starch
palisade mesophyll
andom particle movement results in a net movement from high to low concentration
hormones are produced in a part of a plant and act in another part.
47. What pigment absorbs energy and can emit an electron in photosynthesis?
cheese - yogurt - pharmaceuticals
chlorophyll-A
bionary fission and asexually
natural selection
48. Heating up bacteria until it is harmless and cannot function.
pasteurization
the water potential is higher in the potato than the sugar solution
abscistic acid
pericycle
49. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
maternal sporophyte - gametophyte - daughter sporophyte
evolution
fungi
ADP
50. What would be a way of keeping a short-day plant from blooming?
andom particle movement results in a net movement from high to low concentration
heartwood
pasteurization
interrupt the dark period with several minutes of light
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