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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?
nitrogenous base
pairs of chromosomes that each carry an allele for a given trait
multiple
protein
2. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
protein
water
pairs of chromosomes that each carry an allele for a given trait
3. 'Alleles' are best described as...
tRNA
versions of a gene
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
electron transport chain
4. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
cyanobacteria - green algae - red algae
active transport
mRNA
hormones are produced in a part of a plant and act in another part.
5. What is a function of the epidermis?
effects of rising carbon dioxide
-regulate water loss -regulate gas exchange -allow light to enter the leaf
a changing/heterogeneous environment
polar nuclei
6. What structure is MOST important in generating root pressure?
pericycle
endodermis
evolution
maternal sporophyte - gametophyte - daughter sporophyte
7. How many sperm cells does each pollen grain typically carry?
2
storage
nitrogenous base
fuzzy plant
8. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
cheese - yogurt - pharmaceuticals
sister chromatids
artificial selection
2
9. What is the function of the cortex in a root?
storage
anther
starch
zone of maturation
10. Have a nucleus - and a cell membrane
eukaryotes
accessory
pairs of chromosomes that each carry an allele for a given trait
NOT a sperm - microspore - or egg cell
11. What type of RNA has a codon?
active transport
evolution
mRNA
orchids
12. 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.
pitcher plant
nucleus
orchids
leaf
13. What are harmful effects of bacteria?
pathogens
heterozygous
lumen
-regulate water loss -regulate gas exchange -allow light to enter the leaf
14. 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.
starch
welwichsia
prophase
ADP
15. During which phase of mitosis do the sister chromatids separate?
ADP
anaphase
palisade mesophyll
anther
16. What is a reactant in the photochemical reactions of photosynthesis?
chlorophyll-A
vascular cambium
bocarnia
water
17. What is the main function of the roots of a corn plant?
interrupt the dark period with several minutes of light
active transport
absorption of water
krebs cycle
18. How do bacteria reproduce?
hormones are produced in a part of a plant and act in another part.
bionary fission and asexually
polar nuclei
vascular cambium
19. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
maternal sporophyte - gametophyte - daughter sporophyte
artificial selection
endodermis
20. What are adenine - guanine - thymine - cytosine?
nitrogenous base
xylem
krebs cycle -glycolysis
provide nutrients for a developing embryo
21. What is the main function of the roots of a corn plant?
absorption of water
krebs cycle
lumen
artificial selection
22. What type of RNA has a codon?
vascular cambium
anaphase
mRNA
ethylene
23. What is a final product of aerobic respiration?
artificial selection
multiple
carbon dioxide
lumen
24. Have a cell wall - no membrane - and no nucleus
nitrogenous base
zone of maturation
prokaryotes
orchids
25. Which part of aerobic respiration results in the production of CO2?
bocarnia
hormones are produced in a part of a plant and act in another part.
pitcher plant
krebs cycle
26. What organelle do guard cells contain that other epidermal cells lack?
prophase
the water potential is higher in the potato than the sugar solution
starch
chloroplasts
27. Iodine can be used to test for what molecule - resulting in a blue-black color?
ground tissue
starch
NOT a sperm - microspore - or egg cell
water
28. What is NOT a product of the krebs cycle?
dehiscent
phytochrome
active transport
ADP
29. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
fungi
40x
polar nuclei
30. In what portion of a root might you find 'root hairs'?
natural selection
40x
zone of maturation
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
31. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
synthesis of proteins
effects of rising carbon dioxide
mangrove
ghost plant
32. What is a final product of glycolysis?
pyruvate
iris diaphragm
synthesis of proteins
ground tissue
33. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
DNA
carbon dioxide
pairs of chromosomes that each carry an allele for a given trait
bryophytes
34. What is considered part of the protoplast?
-organelles -cytosol -nucleus
storage
cone
palisade mesophyll
35. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
versions of a gene
biome
sister chromatids
lipids
36. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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37. Vascular and seed bearing
cone
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
both gymnosperms and angiosperms
ground tissue
38. 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
dehiscent
gymnosperms
osmosis
nucleus
39. Which commonly eaten food is an example of a stem?
pathogens
potato
pyruvate
both gymnosperms and angiosperms
40. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
bryophytes
cyanobacteria - green algae - red algae
lack of available oxygen
41. What cell undergoes meiosis?
evolution
prophase
nucleus
NOT a sperm - microspore - or egg cell
42. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
DNA
-water vapor -oxygen -carbon dioxide
40x
43. During which phase of meiosis do daughter cells become haploid?
telophase-I
starch
ground tissue
artificial selection
44. What are beneficial products made from bacteria?
ground tissue
cheese - yogurt - pharmaceuticals
2
translation
45. How does DNA replication take place?
anaphase
ground tissue
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
both gymnosperms and angiosperms
46. What plant tissue functions in conducting water from the roots to the leaves?
iris diaphragm
bionary fission and asexually
-organelles -cytosol -nucleus
xylem
47. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
fuzzy plant
lichens
-organelles -cytosol -nucleus
seed
48. During which phase of the cell cycle does DNA replication occur?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
starch
S-phase
49. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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50. 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
transcription
gymnosperms
bud scale scars
krebs cycle