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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. 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.
andom particle movement results in a net movement from high to low concentration
both gymnosperms and angiosperms
sister chromatids
welwichsia
2. What is a reactant in the photochemical reactions of photosynthesis?
pasteurization
gymnosperms
water
potato
3. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
leaf
iris diaphragm
mRNA
ghost plant
4. What part of a stem can a tree live without?
water
sister chromatids
heartwood
multiple
5. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
andom particle movement results in a net movement from high to low concentration
DNA
lumen
pyruvate
6. Heating up bacteria until it is harmless and cannot function.
ground tissue
endodermis
effects of rising carbon dioxide
pasteurization
7. What best describes a dry fruit which opens at maturity?
effects of rising carbon dioxide
S-phase
dehiscent
ground tissue
8. What is the function of the cortex in a root?
polar nuclei
storage
seed
40x
9. What is a final product of aerobic respiration?
translation
osmosis
carbon dioxide
bud scale scars
10. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
zone of maturation
ground tissue
ethylene
zone of maturation
11. What organelle was observable in the onion epidermis stained with iodine?
andom particle movement results in a net movement from high to low concentration
nucleus
bud scale scars
palisade mesophyll
12. During which phase of the cell cycle does DNA replication occur?
mRNA
ghost plant
S-phase
carbon dioxide
13. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
iris diaphragm
radial arrangement
mangrove
14. You can determine the age of a woody branch by counting these
synthesis of proteins
bud scale scars
potato
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
15. 'Alleles' are best described as...
versions of a gene
fuzzy plant
eukaryotes
RNA
16. During which phase of mitosis does the nuclear envelope disappear?
sister chromatids
absorption of water
prophase
telophase-I
17. Vascular and seed bearing
ethylene
2
andom particle movement results in a net movement from high to low concentration
both gymnosperms and angiosperms
18. A plant that carries two different versions of a gene for a single trait is...
heterozygous
active transport
andom particle movement results in a net movement from high to low concentration
ADP
19. What is a product of the biochemical reactions of photosynthesis?
cyanobacteria - green algae - red algae
cone
starch
fungi
20. What best describes a dry fruit which opens at maturity?
DNA
NOT a sperm - microspore - or egg cell
krebs cycle
dehiscent
21. What structure is MOST important in generating root pressure?
xylem
electron transport chain
starch
endodermis
22. Where in a plant is the water potential lowest?
chloroplasts
leaf
cone
endodermis
23. What is the role of endosperm?
andom particle movement results in a net movement from high to low concentration
pyruvate
provide nutrients for a developing embryo
pitcher plant
24. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
lichens
fuzzy plant
ferns
nucleus
25. What are homologous chromosomes?
fungi
heartwood
S-phase
pairs of chromosomes that each carry an allele for a given trait
26. Transferring of the information from the DNA into the language of the mRNA.
translation
sister chromatids
-regulate water loss -regulate gas exchange -allow light to enter the leaf
carbon dioxide
27. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
fuzzy plant
lichens
S-phase
evolution
28. What separates during meiosis-II
seed
sister chromatids
starch
endodermis
29. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
vascular cambium
ferns
chloroplasts
30. 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.
endodermis
provide nutrients for a developing embryo
welwichsia
biome
31. Transfer of DNA to RNA
NOT a sperm - microspore - or egg cell
vascular cambium
gymnosperms
transcription
32. Where in a plant is the water potential lowest?
chlorophyll-A
leaf
chloroplasts
palisade mesophyll
33. Which class of organic macromolecule stores the greatest amount of potential energy?
cytokinnin
lipids
pyruvate
DNA
34. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
iris diaphragm
interrupt the dark period with several minutes of light
bocarnia
35. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
cheese - yogurt - pharmaceuticals
mangrove
telophase-I
gymnosperms
36. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
pathogens
biome
pasteurization
anther
37. What cell undergoes meiosis?
maternal sporophyte - gametophyte - daughter sporophyte
telophase-I
dehiscent
NOT a sperm - microspore - or egg cell
38. How many sperm cells does each pollen grain typically carry?
anaphase
2
cytokinnin
radial arrangement
39. 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?
NOT a sperm - microspore - or egg cell
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
the water potential is higher in the potato than the sugar solution
S-phase
40. What would be a way of keeping a short-day plant from blooming?
abscistic acid
ferns
nucleus
interrupt the dark period with several minutes of light
41. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
provide nutrients for a developing embryo
nucleus
polar nuclei
fuzzy plant
42. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
DNA
starch
potato
accessory
43. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
DNA
leaf
radial arrangement
pitcher plant
44. What is the role of endosperm?
abscistic acid
evolution
lipids
provide nutrients for a developing embryo
45. What is the main function of the roots of a corn plant?
absorption of water
krebs cycle -glycolysis
effects of rising carbon dioxide
protein
46. What organelle do guard cells contain that other epidermal cells lack?
ADP
chloroplasts
cytokinnin
effects of rising carbon dioxide
47. Transfer of DNA to RNA
transcription
resonance
starch
potato
48. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
starch
polar nuclei
ground tissue
NOT a sperm - microspore - or egg cell
49. What is a final product of glycolysis?
nucleus
starch
pyruvate
prophase
50. In what part of a flower is pollen produced?
anther
S-phase
prophase
pericycle