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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. Vascular and seed bearing
the water potential is higher in the potato than the sugar solution
anaphase
heartwood
both gymnosperms and angiosperms
2. What tissue can be found in a root but not in a stem?
bryophytes
krebs cycle
absorption of water
pericycle
3. Epiphytes - valemine breaks down compost in roots
effects of rising carbon dioxide
lumen
mRNA
orchids
4. What is NOT a product of the krebs cycle?
ADP
vascular cambium
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
water
5. How does DNA replication take place?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
endodermis
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
zone of maturation
6. What is a function of the epidermis?
bocarnia
-regulate water loss -regulate gas exchange -allow light to enter the leaf
heartwood
hormones are produced in a part of a plant and act in another part.
7. What hormone is most important in the ripening of fruits?
2
absorption of water
welwichsia
ethylene
8. What would be a way of keeping a short-day plant from blooming?
artificial selection
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
interrupt the dark period with several minutes of light
starch
9. What is a final product of aerobic respiration?
polar nuclei
eukaryotes
-water vapor -oxygen -carbon dioxide
carbon dioxide
10. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
evolution
pyruvate
heterozygous
11. During which phase of the cell cycle does DNA replication occur?
S-phase
eukaryotes
krebs cycle
pericycle
12. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
-water vapor -oxygen -carbon dioxide
sister chromatids
krebs cycle -glycolysis
seed
13. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
pathogens
artificial selection
eukaryotes
translation
14. Transfer of DNA to RNA
translation
mangrove
DNA
transcription
15. Epiphytes - valemine breaks down compost in roots
40x
RNA
active transport
orchids
16. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
multiple
heartwood
accessory
heterozygous
17. Change in gene frequency in a gene population over time.
evolution
pathogens
carbon dioxide
krebs cycle
18. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
DNA
provide nutrients for a developing embryo
RNA
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
19. Transferring of the information from the DNA into the language of the mRNA.
prophase
40x
dehiscent
translation
20. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
dehiscent
iris diaphragm
zone of maturation
ferns
21. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
mRNA
RNA
hormones are produced in a part of a plant and act in another part.
abscistic acid
22. 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
nucleus
telophase-I
gymnosperms
active transport
23. What is the function of the cortex in a root?
cytokinnin
storage
leaf
water
24. What are adenine - guanine - thymine - cytosine?
carbon dioxide
nitrogenous base
electron transport chain
resonance
25. A plant that carries two different versions of a gene for a single trait is...
storage
potato
40x
heterozygous
26. Iodine can be used to test for what molecule - resulting in a blue-black color?
both gymnosperms and angiosperms
welwichsia
starch
pitcher plant
27. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
-water vapor -oxygen -carbon dioxide
carbon dioxide
butcher's broom
28. 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
lumen
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
evolution
gymnosperms
29. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
40x
the water potential is higher in the potato than the sugar solution
mRNA
30. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
bocarnia
nucleus
pitcher plant
pericycle
31. 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?
the water potential is higher in the potato than the sugar solution
xylem
bocarnia
tRNA
32. Heating up bacteria until it is harmless and cannot function.
osmosis
pasteurization
biome
cone
33. Under what conditions would a plant utilize fermentation to obtain energy?
tRNA
lack of available oxygen
NOT a sperm - microspore - or egg cell
synthesis of proteins
34. Which part of aerobic respiration generates the most ATP?
mangrove
electron transport chain
zone of maturation
zone of maturation
35. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
heartwood
fuzzy plant
vascular cambium
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
36. 'Alleles' are best described as...
natural selection
iris diaphragm
versions of a gene
40x
37. What organelle contains DNA?
lipids
nucleus
lack of available oxygen
interrupt the dark period with several minutes of light
38. How does DNA replication take place?
endodermis
ADP
nucleus
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
39. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
fuzzy plant
gymnosperms
xylem
starch
40. Which commonly eaten food is an example of a stem?
heterozygous
potato
both gymnosperms and angiosperms
ghost plant
41. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
pairs of chromosomes that each carry an allele for a given trait
heterozygous
krebs cycle -glycolysis
42. What is NOT a product of the krebs cycle?
translation
prophase
ADP
DNA
43. What structure is MOST important in generating root pressure?
endodermis
ghost plant
RNA
pericycle
44. What is a reactant in the photochemical reactions of photosynthesis?
carbon dioxide
pyruvate
a changing/heterogeneous environment
water
45. What contains the most potential energy?
chlorophyll-A
-water vapor -oxygen -carbon dioxide
active transport
starch
46. What best describes a dry fruit which opens at maturity?
2
dehiscent
gymnosperms
fuzzy plant
47. Have a cell wall - no membrane - and no nucleus
prokaryotes
iris diaphragm
translation
cone
48. 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
fuzzy plant
chlorophyll-A
versions of a gene
49. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
starch
ADP
krebs cycle -glycolysis
50. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
lumen
welwichsia
pitcher plant
nitrogenous base