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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. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
cytokinnin
effects of rising carbon dioxide
RNA
2. In what part of a flower is pollen produced?
anther
lack of available oxygen
polar nuclei
artificial selection
3. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
sister chromatids
pasteurization
zone of maturation
4. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
pasteurization
pathogens
andom particle movement results in a net movement from high to low concentration
a changing/heterogeneous environment
5. What is the function of the cortex in a root?
artificial selection
storage
hormones are produced in a part of a plant and act in another part.
2
6. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
dehiscent
lumen
potato
artificial selection
7. What are beneficial products made from bacteria?
ADP
cheese - yogurt - pharmaceuticals
RNA
bud scale scars
8. In what portion of a root might you find 'root hairs'?
lack of available oxygen
pasteurization
tRNA
zone of maturation
9. 'Alleles' are best described as...
versions of a gene
pathogens
prophase
fuzzy plant
10. What contains the most potential energy?
potato
phytochrome
starch
ethylene
11. What organelle was observable in the onion epidermis stained with iodine?
nucleus
welwichsia
bud scale scars
fungi
12. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
starch
potato
polar nuclei
radial arrangement
13. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
hormones are produced in a part of a plant and act in another part.
palisade mesophyll
ferns
krebs cycle -glycolysis
14. What is NOT a product of the krebs cycle?
gymnosperms
ADP
vascular cambium
versions of a gene
15. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
cyanobacteria - green algae - red algae
vascular cambium
eukaryotes
-water vapor -oxygen -carbon dioxide
16. What is NOT a structure found on a typical flowering plant?
pyruvate
ghost plant
mRNA
cone
17. What is a product of the biochemical reactions of photosynthesis?
both gymnosperms and angiosperms
potato
starch
butcher's broom
18. What pigment absorbs energy and can emit an electron in photosynthesis?
tRNA
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
chlorophyll-A
heterozygous
19. What structure is MOST important in generating root pressure?
endodermis
DNA
starch
a changing/heterogeneous environment
20. During which phase of mitosis does the nuclear envelope disappear?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
lumen
prophase
iris diaphragm
21. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
krebs cycle
DNA
ground tissue
pairs of chromosomes that each carry an allele for a given trait
22. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
lack of available oxygen
structural support
ground tissue
active transport
23. What is a final product of aerobic respiration?
multiple
lumen
fungi
carbon dioxide
24. What is the primary function of collenchyma cells?
-water vapor -oxygen -carbon dioxide
cheese - yogurt - pharmaceuticals
nucleus
structural support
25. Change in gene frequency in a gene population over time.
active transport
vascular cambium
evolution
RNA
26. What type of fruit develops from a cluster of many simple flowers?
maternal sporophyte - gametophyte - daughter sporophyte
multiple
nucleus
NOT a sperm - microspore - or egg cell
27. 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
effects of rising carbon dioxide
zone of maturation
bionary fission and asexually
eukaryotes
28. What is a final product of glycolysis?
pyruvate
dehiscent
sister chromatids
lipids
29. What are harmful effects of bacteria?
radial arrangement
pathogens
water
bryophytes
30. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
prokaryotes
biome
mangrove
ADP
31. 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
effects of rising carbon dioxide
RNA
a changing/heterogeneous environment
biome
32. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
electron transport chain
fungi
prophase
gymnosperms
33. What organelle do guard cells contain that other epidermal cells lack?
chloroplasts
NOT a sperm - microspore - or egg cell
absorption of water
water
34. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
ethylene
cytokinnin
storage
35. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
mRNA
40x
anther
fungi
36. What are adenine - guanine - thymine - cytosine?
nitrogenous base
lumen
bocarnia
a changing/heterogeneous environment
37. In what portion of a root might you find 'root hairs'?
pathogens
ethylene
zone of maturation
2
38. 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
-regulate water loss -regulate gas exchange -allow light to enter the leaf
gymnosperms
lichens
bryophytes
39. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
pasteurization
a changing/heterogeneous environment
cyanobacteria - green algae - red algae
40. You can determine the age of a woody branch by counting these
lichens
protein
bud scale scars
krebs cycle -glycolysis
41. What tissue can be found in a root but not in a stem?
synthesis of proteins
both gymnosperms and angiosperms
pericycle
bryophytes
42. 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
vascular cambium
phytochrome
cytokinnin
43. 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
chloroplasts
pitcher plant
anther
gymnosperms
44. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
structural support
biome
hormones are produced in a part of a plant and act in another part.
ground tissue
45. 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?
lipids
artificial selection
the water potential is higher in the potato than the sugar solution
natural selection
46. What cell undergoes meiosis?
prophase
NOT a sperm - microspore - or egg cell
starch
multiple
47. What is a final product of glycolysis?
dehiscent
abscistic acid
pyruvate
storage
48. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
lack of available oxygen
lichens
maternal sporophyte - gametophyte - daughter sporophyte
synthesis of proteins
49. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
NOT a sperm - microspore - or egg cell
potato
starch
50. What is the primary function of collenchyma cells?
nucleus
structural support
ethylene
vascular cambium