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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. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
ground tissue
pericycle
artificial selection
accessory
2. If an ovule is fertilized - what will it develop into?
seed
phytochrome
nitrogenous base
ADP
3. What is a final product of aerobic respiration?
leaf
carbon dioxide
polar nuclei
palisade mesophyll
4. What type of fruit develops from a cluster of many simple flowers?
phytochrome
-organelles -cytosol -nucleus
nucleus
multiple
5. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
DNA
nucleus
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
lichens
6. Where in a plant is the water potential lowest?
sister chromatids
potato
leaf
-organelles -cytosol -nucleus
7. What is NOT a structure found on a typical flowering plant?
bryophytes
starch
cone
bocarnia
8. What is NOT a function of the vacuole?
DNA
synthesis of proteins
butcher's broom
bryophytes
9. How is algae different from 'true' plants?
welwichsia
RNA
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
phytochrome
10. What is the function of the cortex in a root?
pericycle
2
storage
cytokinnin
11. Heating up bacteria until it is harmless and cannot function.
interrupt the dark period with several minutes of light
pasteurization
sister chromatids
prokaryotes
12. What organelle was observable in the onion epidermis stained with iodine?
nucleus
the water potential is higher in the potato than the sugar solution
mRNA
iris diaphragm
13. What pigment absorbs energy and can emit an electron in photosynthesis?
accessory
chlorophyll-A
nitrogenous base
eukaryotes
14. What is the role of endosperm?
ferns
pasteurization
pitcher plant
provide nutrients for a developing embryo
15. During which phase of the cell cycle does DNA replication occur?
seed
sister chromatids
S-phase
fuzzy plant
16. What contains the most potential energy?
anther
bud scale scars
starch
polar nuclei
17. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
orchids
absorption of water
-regulate water loss -regulate gas exchange -allow light to enter the leaf
lichens
18. What best describes a dry fruit which opens at maturity?
artificial selection
dehiscent
endodermis
multiple
19. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
bionary fission and asexually
anther
butcher's broom
resonance
20. How is algae different from 'true' plants?
heartwood
andom particle movement results in a net movement from high to low concentration
evolution
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
21. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
active transport
-organelles -cytosol -nucleus
40x
DNA
22. Which substances pass through the open stomata of a leaf?
pairs of chromosomes that each carry an allele for a given trait
-water vapor -oxygen -carbon dioxide
accessory
orchids
23. During which phase of mitosis do the sister chromatids separate?
accessory
bionary fission and asexually
anaphase
cyanobacteria - green algae - red algae
24. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
a changing/heterogeneous environment
lichens
bryophytes
cyanobacteria - green algae - red algae
25. What organelle was observable in the onion epidermis stained with iodine?
water
nucleus
lichens
vascular cambium
26. What would be a way of keeping a short-day plant from blooming?
hormones are produced in a part of a plant and act in another part.
RNA
interrupt the dark period with several minutes of light
translation
27. What hormone is most important in the ripening of fruits?
pericycle
ethylene
abscistic acid
butcher's broom
28. How are the vascular bundles of a dicot arranged in the stem?
nucleus
ghost plant
pasteurization
radial arrangement
29. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
hormones are produced in a part of a plant and act in another part.
DNA
2
potato
30. 'Alleles' are best described as...
versions of a gene
starch
fungi
radial arrangement
31. What is the main function of the roots of a corn plant?
heterozygous
zone of maturation
absorption of water
lichens
32. What are adenine - guanine - thymine - cytosine?
both gymnosperms and angiosperms
nitrogenous base
lipids
lumen
33. What are the major groups of algae?
cyanobacteria - green algae - red algae
osmosis
butcher's broom
transcription
34. 'Alleles' are best described as...
versions of a gene
palisade mesophyll
multiple
water
35. What type of RNA has a codon?
2
krebs cycle -glycolysis
mRNA
-water vapor -oxygen -carbon dioxide
36. Three generations of gymnosperms
iris diaphragm
hormones are produced in a part of a plant and act in another part.
maternal sporophyte - gametophyte - daughter sporophyte
orchids
37. What is a reactant in the photochemical reactions of photosynthesis?
accessory
eukaryotes
water
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
38. What are homologous chromosomes?
accessory
pairs of chromosomes that each carry an allele for a given trait
radial arrangement
carbon dioxide
39. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
biome
pathogens
vascular cambium
bocarnia
40. 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
NOT a sperm - microspore - or egg cell
vascular cambium
fuzzy plant
41. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
pyruvate
lumen
leaf
active transport
42. How many sperm cells does each pollen grain typically carry?
2
hormones are produced in a part of a plant and act in another part.
storage
andom particle movement results in a net movement from high to low concentration
43. What part of a stem can a tree live without?
accessory
evolution
heartwood
bionary fission and asexually
44. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
bocarnia
endodermis
bud scale scars
prokaryotes
45. Iodine can be used to test for what molecule - resulting in a blue-black color?
cyanobacteria - green algae - red algae
RNA
lumen
starch
46. You can determine the age of a woody branch by counting these
ghost plant
bud scale scars
evolution
absorption of water
47. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
starch
pasteurization
polar nuclei
mRNA
48. What part of a stem can a tree live without?
ghost plant
lipids
heartwood
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
49. Have a nucleus - and a cell membrane
resonance
40x
eukaryotes
lipids
50. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
vascular cambium
tRNA
cheese - yogurt - pharmaceuticals
DNA