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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 are harmful effects of bacteria?
seed
lack of available oxygen
ethylene
pathogens
2. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
osmosis
abscistic acid
lichens
pericycle
3. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
gymnosperms
resonance
heterozygous
4. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
lichens
cyanobacteria - green algae - red algae
polar nuclei
DNA
5. What is the main function of the roots of a corn plant?
absorption of water
starch
krebs cycle -glycolysis
mRNA
6. What causes diffusion of gases to occur?
fuzzy plant
starch
andom particle movement results in a net movement from high to low concentration
lumen
7. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
welwichsia
synthesis of proteins
iris diaphragm
lumen
8. What separates during meiosis-II
accessory
sister chromatids
endodermis
cytokinnin
9. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
biome
absorption of water
fungi
nucleus
10. What cell undergoes meiosis?
lumen
biome
nitrogenous base
NOT a sperm - microspore - or egg cell
11. Transfer of DNA to RNA
ethylene
pericycle
transcription
krebs cycle -glycolysis
12. What is the primary function of collenchyma cells?
chloroplasts
structural support
sister chromatids
lipids
13. What part of a stem can a tree live without?
accessory
structural support
RNA
heartwood
14. Where in a dicot leaf does the majority of photosynthesis occur?
-water vapor -oxygen -carbon dioxide
palisade mesophyll
pericycle
bryophytes
15. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
vascular cambium
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
bryophytes
pitcher plant
16. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
accessory
butcher's broom
lack of available oxygen
17. What tissue can be found in a root but not in a stem?
osmosis
-water vapor -oxygen -carbon dioxide
pericycle
maternal sporophyte - gametophyte - daughter sporophyte
18. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
a changing/heterogeneous environment
abscistic acid
pyruvate
telophase-I
19. What plant tissue functions in conducting water from the roots to the leaves?
ferns
xylem
ghost plant
osmosis
20. What is NOT a function of the vacuole?
cheese - yogurt - pharmaceuticals
synthesis of proteins
effects of rising carbon dioxide
resonance
21. What is a product of the biochemical reactions of photosynthesis?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
butcher's broom
fuzzy plant
starch
22. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
DNA
interrupt the dark period with several minutes of light
dehiscent
provide nutrients for a developing embryo
23. How does DNA replication take place?
provide nutrients for a developing embryo
natural selection
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
24. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
versions of a gene
krebs cycle -glycolysis
osmosis
25. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
starch
anaphase
lumen
26. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
lack of available oxygen
multiple
abscistic acid
andom particle movement results in a net movement from high to low concentration
27. Info. carrying molecule - single stranded
hormones are produced in a part of a plant and act in another part.
phytochrome
RNA
eukaryotes
28. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
vascular cambium
iris diaphragm
natural selection
phytochrome
29. Cladifils- modified stems that look like leaves - all parts are photosynthetic
30. What pigment is responsible for plants sensing day length?
potato
phytochrome
cytokinnin
storage
31. 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.
nucleus
maternal sporophyte - gametophyte - daughter sporophyte
anaphase
bryophytes
32. Cladifils- modified stems that look like leaves - all parts are photosynthetic
33. Which part of aerobic respiration generates the most ATP?
seed
pathogens
electron transport chain
pitcher plant
34. What best describes a dry fruit which opens at maturity?
dehiscent
effects of rising carbon dioxide
anther
bryophytes
35. Epiphytes - valemine breaks down compost in roots
orchids
resonance
pasteurization
radial arrangement
36. Where in a plant is the water potential lowest?
prokaryotes
anther
the water potential is higher in the potato than the sugar solution
leaf
37. Have a nucleus - and a cell membrane
chloroplasts
eukaryotes
structural support
pairs of chromosomes that each carry an allele for a given trait
38. How is algae different from 'true' plants?
pyruvate
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
fuzzy plant
xylem
39. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
protein
resonance
chlorophyll-A
biome
40. A plant that carries two different versions of a gene for a single trait is...
heterozygous
mangrove
the water potential is higher in the potato than the sugar solution
storage
41. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
pyruvate
storage
40x
mRNA
42. What are beneficial products made from bacteria?
natural selection
cone
lipids
cheese - yogurt - pharmaceuticals
43. In what portion of a root might you find 'root hairs'?
carbon dioxide
pyruvate
chloroplasts
zone of maturation
44. 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.
-organelles -cytosol -nucleus
pitcher plant
leaf
active transport
45. 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.
heterozygous
anther
leaf
welwichsia
46. Where in a dicot leaf does the majority of photosynthesis occur?
pathogens
accessory
osmosis
palisade mesophyll
47. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
bocarnia
prophase
pitcher plant
structural support
48. What is a product of the biochemical reactions of photosynthesis?
interrupt the dark period with several minutes of light
mRNA
carbon dioxide
starch
49. Under what conditions would a plant utilize fermentation to obtain energy?
transcription
lack of available oxygen
pitcher plant
-regulate water loss -regulate gas exchange -allow light to enter the leaf
50. What organelle was observable in the onion epidermis stained with iodine?
nucleus
40x
polar nuclei
storage