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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 hormone is most important in the ripening of fruits?
lack of available oxygen
ethylene
40x
lumen
2. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
ethylene
fuzzy plant
pairs of chromosomes that each carry an allele for a given trait
3. What are harmful effects of bacteria?
versions of a gene
pathogens
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
ferns
4. 'Alleles' are best described as...
versions of a gene
-regulate water loss -regulate gas exchange -allow light to enter the leaf
endodermis
NOT a sperm - microspore - or egg cell
5. What would be a way of keeping a short-day plant from blooming?
accessory
nitrogenous base
interrupt the dark period with several minutes of light
starch
6. Info. carrying molecule - single stranded
pericycle
chloroplasts
RNA
iris diaphragm
7. How are the vascular bundles of a dicot arranged in the stem?
mRNA
both gymnosperms and angiosperms
radial arrangement
evolution
8. What structure is MOST important in generating root pressure?
endodermis
pyruvate
anther
both gymnosperms and angiosperms
9. What is the primary function of collenchyma cells?
natural selection
the water potential is higher in the potato than the sugar solution
artificial selection
structural support
10. What contains the most potential energy?
cyanobacteria - green algae - red algae
NOT a sperm - microspore - or egg cell
chlorophyll-A
starch
11. What type of fruit develops from a cluster of many simple flowers?
multiple
pitcher plant
chlorophyll-A
mRNA
12. What are harmful effects of bacteria?
pyruvate
dehiscent
ground tissue
pathogens
13. What cell undergoes meiosis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
sister chromatids
NOT a sperm - microspore - or egg cell
chlorophyll-A
14. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
lichens
gymnosperms
lipids
15. Vascular and seed bearing
both gymnosperms and angiosperms
effects of rising carbon dioxide
-water vapor -oxygen -carbon dioxide
radial arrangement
16. How are the vascular bundles of a dicot arranged in the stem?
fungi
radial arrangement
storage
leaf
17. Heating up bacteria until it is harmless and cannot function.
pasteurization
protein
ethylene
chloroplasts
18. What is NOT a function of the vacuole?
-water vapor -oxygen -carbon dioxide
krebs cycle -glycolysis
synthesis of proteins
krebs cycle -glycolysis
19. Transferring of the information from the DNA into the language of the mRNA.
40x
translation
multiple
seed
20. What is NOT a product of the krebs cycle?
seed
ADP
endodermis
tRNA
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
resonance
gymnosperms
endodermis
welwichsia
22. In what portion of a root might you find 'root hairs'?
zone of maturation
lack of available oxygen
gymnosperms
absorption of water
23. Three generations of gymnosperms
andom particle movement results in a net movement from high to low concentration
maternal sporophyte - gametophyte - daughter sporophyte
nucleus
water
24. What type of fruit develops from a cluster of many simple flowers?
seed
multiple
RNA
potato
25. Have a nucleus - and a cell membrane
ethylene
orchids
water
eukaryotes
26. What part of a stem can a tree live without?
heartwood
fungi
lipids
andom particle movement results in a net movement from high to low concentration
27. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
water
lichens
transcription
28. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
effects of rising carbon dioxide
a changing/heterogeneous environment
-organelles -cytosol -nucleus
cone
29. What hormone is most important in the ripening of fruits?
40x
pasteurization
starch
ethylene
30. What is a product of the biochemical reactions of photosynthesis?
bionary fission and asexually
ADP
cytokinnin
starch
31. What cell undergoes meiosis?
abscistic acid
NOT a sperm - microspore - or egg cell
mangrove
protein
32. What is a final product of aerobic respiration?
carbon dioxide
accessory
krebs cycle -glycolysis
artificial selection
33. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
mRNA
nitrogenous base
pyruvate
DNA
34. How do bacteria reproduce?
40x
bionary fission and asexually
gymnosperms
starch
35. Iodine can be used to test for what molecule - resulting in a blue-black color?
polar nuclei
cheese - yogurt - pharmaceuticals
storage
starch
36. In what part of a flower is pollen produced?
maternal sporophyte - gametophyte - daughter sporophyte
anther
cone
synthesis of proteins
37. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
gymnosperms
starch
palisade mesophyll
krebs cycle -glycolysis
38. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
iris diaphragm
interrupt the dark period with several minutes of light
translation
abscistic acid
39. 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.
welwichsia
ghost plant
polar nuclei
leaf
40. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
a changing/heterogeneous environment
lack of available oxygen
tRNA
41. Iodine can be used to test for what molecule - resulting in a blue-black color?
osmosis
2
ghost plant
starch
42. What is the main function of the roots of a corn plant?
carbon dioxide
ethylene
lipids
absorption of water
43. Which commonly eaten food is an example of a stem?
potato
heartwood
cheese - yogurt - pharmaceuticals
-regulate water loss -regulate gas exchange -allow light to enter the leaf
44. What type of RNA has a codon?
mRNA
-organelles -cytosol -nucleus
absorption of water
NOT a sperm - microspore - or egg cell
45. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
lumen
iris diaphragm
absorption of water
welwichsia
46. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
bocarnia
starch
storage
prokaryotes
47. Which part of aerobic respiration results in the production of CO2?
active transport
krebs cycle
endodermis
butcher's broom
48. How do bacteria reproduce?
polar nuclei
krebs cycle
bionary fission and asexually
xylem
49. Transfer of DNA to RNA
active transport
transcription
krebs cycle -glycolysis
pericycle
50. Where in a dicot leaf does the majority of photosynthesis occur?
synthesis of proteins
ghost plant
starch
palisade mesophyll