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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?
bryophytes
xylem
accessory
abscistic acid
2. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
translation
endodermis
evolution
artificial selection
3. How does DNA replication take place?
versions of a gene
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
xylem
anther
4. What hormone is most important in the ripening of fruits?
abscistic acid
maternal sporophyte - gametophyte - daughter sporophyte
40x
ethylene
5. Where in a plant is the water potential lowest?
leaf
heartwood
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
chlorophyll-A
6. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
abscistic acid
lumen
cytokinnin
-organelles -cytosol -nucleus
7. What organelle contains DNA?
orchids
nucleus
palisade mesophyll
2
8. During which phase of meiosis do daughter cells become haploid?
synthesis of proteins
telophase-I
artificial selection
starch
9. In what part of a flower is pollen produced?
interrupt the dark period with several minutes of light
potato
storage
anther
10. What is a reactant in the photochemical reactions of photosynthesis?
heartwood
water
lack of available oxygen
ADP
11. Which part of aerobic respiration results in the production of CO2?
zone of maturation
effects of rising carbon dioxide
krebs cycle
-regulate water loss -regulate gas exchange -allow light to enter the leaf
12. Have a nucleus - and a cell membrane
evolution
artificial selection
eukaryotes
NOT a sperm - microspore - or egg cell
13. How do bacteria reproduce?
bionary fission and asexually
phytochrome
prophase
nitrogenous base
14. Have a cell wall - no membrane - and no nucleus
bionary fission and asexually
radial arrangement
tRNA
prokaryotes
15. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
welwichsia
lichens
nucleus
welwichsia
16. In what portion of a root might you find 'root hairs'?
xylem
zone of maturation
cheese - yogurt - pharmaceuticals
bryophytes
17. What contains the most potential energy?
mRNA
starch
lumen
butcher's broom
18. Which part of aerobic respiration generates the most ATP?
2
nucleus
anther
electron transport chain
19. NO vascular tissue - NO roots - have modified photosynthetic tissue to help it absorb carbon dioxide without losing too much water - can survive in variety of environments - seedless - and commonly seen as mosses - hornworts - and liverworts.
mangrove
transcription
bionary fission and asexually
bryophytes
20. Which part of aerobic respiration results in the production of CO2?
krebs cycle
-water vapor -oxygen -carbon dioxide
heterozygous
potato
21. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
DNA
butcher's broom
bionary fission and asexually
krebs cycle
22. What structure is MOST important in generating root pressure?
pericycle
sister chromatids
protein
endodermis
23. What part of a stem can a tree live without?
vascular cambium
heartwood
provide nutrients for a developing embryo
palisade mesophyll
24. What type of fruit develops from a cluster of many simple flowers?
palisade mesophyll
sister chromatids
multiple
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
25. What BEST describes plant hormones?
-water vapor -oxygen -carbon dioxide
hormones are produced in a part of a plant and act in another part.
phytochrome
resonance
26. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
sister chromatids
carbon dioxide
zone of maturation
bocarnia
27. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
andom particle movement results in a net movement from high to low concentration
nucleus
iris diaphragm
ground tissue
28. Which substances pass through the open stomata of a leaf?
prokaryotes
pairs of chromosomes that each carry an allele for a given trait
lipids
-water vapor -oxygen -carbon dioxide
29. Heating up bacteria until it is harmless and cannot function.
prokaryotes
ferns
pasteurization
hormones are produced in a part of a plant and act in another part.
30. What is the function of the cortex in a root?
storage
nucleus
eukaryotes
leaf
31. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
sister chromatids
pairs of chromosomes that each carry an allele for a given trait
-water vapor -oxygen -carbon dioxide
40x
32. How many sperm cells does each pollen grain typically carry?
2
ground tissue
cheese - yogurt - pharmaceuticals
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
33. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
fuzzy plant
lumen
pathogens
ferns
34. What cell undergoes meiosis?
NOT a sperm - microspore - or egg cell
nucleus
versions of a gene
anaphase
35. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
cheese - yogurt - pharmaceuticals
ghost plant
-regulate water loss -regulate gas exchange -allow light to enter the leaf
bionary fission and asexually
36. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
evolution
phytochrome
cyanobacteria - green algae - red algae
37. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
biome
transcription
bryophytes
accessory
38. What type of fruit develops from a cluster of many simple flowers?
resonance
endodermis
multiple
both gymnosperms and angiosperms
39. What tissue can be found in a root but not in a stem?
ADP
NOT a sperm - microspore - or egg cell
2
pericycle
40. A plant that carries two different versions of a gene for a single trait is...
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
cytokinnin
heterozygous
anaphase
41. 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.
2
hormones are produced in a part of a plant and act in another part.
welwichsia
effects of rising carbon dioxide
42. Epiphytes - valemine breaks down compost in roots
bud scale scars
orchids
nitrogenous base
2
43. Transferring of the information from the DNA into the language of the mRNA.
tRNA
iris diaphragm
telophase-I
translation
44. Have a cell wall - no membrane - and no nucleus
telophase-I
xylem
ADP
prokaryotes
45. What is the primary function of collenchyma cells?
phytochrome
cone
structural support
storage
46. Which class of organic macromolecule stores the greatest amount of potential energy?
artificial selection
evolution
lipids
chloroplasts
47. Three generations of gymnosperms
40x
bionary fission and asexually
absorption of water
maternal sporophyte - gametophyte - daughter sporophyte
48. What is a final product of glycolysis?
RNA
chlorophyll-A
pyruvate
palisade mesophyll
49. Which commonly eaten food is an example of a stem?
evolution
potato
fungi
RNA
50. 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.
structural support
active transport
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
pitcher plant