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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 type of fruit develops from a cluster of many simple flowers?
nucleus
lack of available oxygen
multiple
biome
2. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
ground tissue
cytokinnin
nitrogenous base
-water vapor -oxygen -carbon dioxide
3. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
lipids
pyruvate
abscistic acid
4. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
telophase-I
orchids
xylem
5. Vascular and seed bearing
both gymnosperms and angiosperms
cone
absorption of water
prophase
6. 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?
40x
the water potential is higher in the potato than the sugar solution
maternal sporophyte - gametophyte - daughter sporophyte
starch
7. What contains the most potential energy?
hormones are produced in a part of a plant and act in another part.
DNA
nitrogenous base
starch
8. Bugs crawl into 'pitchers' - tiny hairs keep them from getting out - plant breaks down enzymes - and uses nitrogen. lives in places where nitrogen is limited.
mangrove
provide nutrients for a developing embryo
transcription
pitcher plant
9. Have a nucleus - and a cell membrane
eukaryotes
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
evolution
chlorophyll-A
10. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
starch
lichens
versions of a gene
nucleus
11. Which part of aerobic respiration generates the most ATP?
heterozygous
2
the water potential is higher in the potato than the sugar solution
electron transport chain
12. During which phase of the cell cycle does DNA replication occur?
starch
osmosis
pericycle
S-phase
13. What part of a stem can a tree live without?
welwichsia
interrupt the dark period with several minutes of light
-water vapor -oxygen -carbon dioxide
heartwood
14. You can determine the age of a woody branch by counting these
water
abscistic acid
seed
bud scale scars
15. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
phytochrome
DNA
ferns
leaf
16. What would be a way of keeping a short-day plant from blooming?
cone
welwichsia
zone of maturation
interrupt the dark period with several minutes of light
17. What type of RNA has an anticodon?
endodermis
lumen
40x
tRNA
18. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
2
vascular cambium
structural support
bocarnia
19. Bugs crawl into 'pitchers' - tiny hairs keep them from getting out - plant breaks down enzymes - and uses nitrogen. lives in places where nitrogen is limited.
prokaryotes
accessory
eukaryotes
pitcher plant
20. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
cytokinnin
krebs cycle
pericycle
fuzzy plant
21. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
xylem
interrupt the dark period with several minutes of light
both gymnosperms and angiosperms
krebs cycle -glycolysis
22. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
protein
interrupt the dark period with several minutes of light
storage
ground tissue
23. In what part of a flower is pollen produced?
chloroplasts
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
anther
-regulate water loss -regulate gas exchange -allow light to enter the leaf
24. Which class of organic macromolecule stores the greatest amount of potential energy?
lipids
DNA
pasteurization
artificial selection
25. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
40x
fuzzy plant
potato
26. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
protein
resonance
-organelles -cytosol -nucleus
cheese - yogurt - pharmaceuticals
27. Have a cell wall - no membrane - and no nucleus
bryophytes
prokaryotes
cheese - yogurt - pharmaceuticals
leaf
28. What type of fruit develops from a cluster of many simple flowers?
andom particle movement results in a net movement from high to low concentration
sister chromatids
biome
multiple
29. Under what conditions would a plant utilize fermentation to obtain energy?
polar nuclei
pairs of chromosomes that each carry an allele for a given trait
ADP
lack of available oxygen
30. Heating up bacteria until it is harmless and cannot function.
versions of a gene
cone
maternal sporophyte - gametophyte - daughter sporophyte
pasteurization
31. During which phase of meiosis do daughter cells become haploid?
telophase-I
zone of maturation
ADP
resonance
32. What are homologous chromosomes?
pairs of chromosomes that each carry an allele for a given trait
natural selection
pericycle
ethylene
33. What process involves the movement of water across a semi-permeable membrane?
nitrogenous base
fungi
osmosis
DNA
34. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
resonance
mangrove
-regulate water loss -regulate gas exchange -allow light to enter the leaf
biome
35. What are harmful effects of bacteria?
nucleus
pathogens
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
dehiscent
36. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
ethylene
osmosis
resonance
mangrove
37. What type of RNA has a codon?
maternal sporophyte - gametophyte - daughter sporophyte
mRNA
absorption of water
chloroplasts
38. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
accessory
heterozygous
pyruvate
iris diaphragm
39. Epiphytes - valemine breaks down compost in roots
ghost plant
orchids
protein
lumen
40. A plant that carries two different versions of a gene for a single trait is...
resonance
heterozygous
nitrogenous base
orchids
41. What are the major groups of algae?
effects of rising carbon dioxide
pathogens
provide nutrients for a developing embryo
cyanobacteria - green algae - red algae
42. What is the primary function of collenchyma cells?
pyruvate
structural support
cyanobacteria - green algae - red algae
welwichsia
43. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
storage
electron transport chain
dehiscent
44. Three generations of gymnosperms
potato
maternal sporophyte - gametophyte - daughter sporophyte
prophase
2
45. Info. carrying molecule - single stranded
RNA
anther
-water vapor -oxygen -carbon dioxide
absorption of water
46. What is the role of endosperm?
synthesis of proteins
-regulate water loss -regulate gas exchange -allow light to enter the leaf
provide nutrients for a developing embryo
nucleus
47. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
krebs cycle
vascular cambium
andom particle movement results in a net movement from high to low concentration
accessory
48. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
ghost plant
iris diaphragm
lack of available oxygen
49. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
lichens
heterozygous
krebs cycle
50. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
lack of available oxygen
NOT a sperm - microspore - or egg cell
orchids