SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 the major groups of algae?
hormones are produced in a part of a plant and act in another part.
provide nutrients for a developing embryo
prokaryotes
cyanobacteria - green algae - red algae
2. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
butcher's broom
tRNA
carbon dioxide
3. In what portion of a root might you find 'root hairs'?
zone of maturation
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
electron transport chain
pasteurization
4. During which phase of meiosis do daughter cells become haploid?
ferns
lack of available oxygen
telophase-I
ethylene
5. Differences in type and location of human-managed ecosystems - quantity and quality of available drinking water and air may also be affected by rising levels of atmospheric carbon dioxide
leaf
effects of rising carbon dioxide
polar nuclei
starch
6. What best describes a dry fruit which opens at maturity?
dehiscent
40x
a changing/heterogeneous environment
bryophytes
7. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
tRNA
a changing/heterogeneous environment
ground tissue
electron transport chain
8. 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
osmosis
gymnosperms
ADP
zone of maturation
9. What type of RNA has an anticodon?
telophase-I
xylem
tRNA
biome
10. During which phase of meiosis do daughter cells become haploid?
lumen
potato
resonance
telophase-I
11. Transfer of DNA to RNA
ferns
krebs cycle
pairs of chromosomes that each carry an allele for a given trait
transcription
12. 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?
the water potential is higher in the potato than the sugar solution
-organelles -cytosol -nucleus
a changing/heterogeneous environment
electron transport chain
13. Info. carrying molecule - single stranded
RNA
NOT a sperm - microspore - or egg cell
electron transport chain
ghost plant
14. What is the function of the cortex in a root?
storage
palisade mesophyll
cheese - yogurt - pharmaceuticals
multiple
15. What contains the most potential energy?
abscistic acid
2
lichens
starch
16. What separates during meiosis-II
fuzzy plant
potato
phytochrome
sister chromatids
17. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
iris diaphragm
natural selection
a changing/heterogeneous environment
protein
18. Under what conditions would a plant utilize fermentation to obtain energy?
lack of available oxygen
chloroplasts
zone of maturation
versions of a gene
19. What plant tissue functions in conducting water from the roots to the leaves?
accessory
nucleus
xylem
translation
20. What would be a way of keeping a short-day plant from blooming?
mRNA
protein
interrupt the dark period with several minutes of light
synthesis of proteins
21. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
dehiscent
mangrove
resonance
ghost plant
22. Transfer of DNA to RNA
S-phase
interrupt the dark period with several minutes of light
cheese - yogurt - pharmaceuticals
transcription
23. Three generations of gymnosperms
pathogens
nucleus
maternal sporophyte - gametophyte - daughter sporophyte
starch
24. Which commonly eaten food is an example of a stem?
potato
seed
ground tissue
pitcher plant
25. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
NOT a sperm - microspore - or egg cell
artificial selection
osmosis
translation
26. During which phase of mitosis does the nuclear envelope disappear?
starch
bud scale scars
40x
prophase
27. What cell undergoes meiosis?
natural selection
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
NOT a sperm - microspore - or egg cell
cytokinnin
28. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
lack of available oxygen
gymnosperms
cytokinnin
electron transport chain
29. You can determine the age of a woody branch by counting these
orchids
both gymnosperms and angiosperms
bud scale scars
storage
30. Cladifils- modified stems that look like leaves - all parts are photosynthetic
31. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
krebs cycle
lichens
2
ADP
32. What part of a stem can a tree live without?
natural selection
heartwood
artificial selection
bocarnia
33. 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.
chloroplasts
abscistic acid
xylem
bryophytes
34. Enzymes are an example of what type of molecule?
ethylene
protein
2
nucleus
35. Vascular and seed bearing
artificial selection
both gymnosperms and angiosperms
S-phase
leaf
36. What is a product of the biochemical reactions of photosynthesis?
resonance
starch
phytochrome
S-phase
37. Change in gene frequency in a gene population over time.
orchids
NOT a sperm - microspore - or egg cell
evolution
transcription
38. Where in a dicot leaf does the majority of photosynthesis occur?
both gymnosperms and angiosperms
prokaryotes
telophase-I
palisade mesophyll
39. What BEST describes plant hormones?
palisade mesophyll
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
bud scale scars
hormones are produced in a part of a plant and act in another part.
40. What is the role of endosperm?
provide nutrients for a developing embryo
heterozygous
pathogens
zone of maturation
41. Which commonly eaten food is an example of a stem?
potato
NOT a sperm - microspore - or egg cell
ghost plant
chlorophyll-A
42. During which phase of the cell cycle does DNA replication occur?
accessory
pitcher plant
the water potential is higher in the potato than the sugar solution
S-phase
43. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
interrupt the dark period with several minutes of light
protein
fuzzy plant
ferns
44. What organelle was observable in the onion epidermis stained with iodine?
leaf
osmosis
2
nucleus
45. Vascular and seed bearing
NOT a sperm - microspore - or egg cell
nucleus
lumen
both gymnosperms and angiosperms
46. What organelle contains DNA?
gymnosperms
storage
nucleus
iris diaphragm
47. Epiphytes - valemine breaks down compost in roots
the water potential is higher in the potato than the sugar solution
butcher's broom
chloroplasts
orchids
48. A plant that carries two different versions of a gene for a single trait is...
heterozygous
palisade mesophyll
chloroplasts
ethylene
49. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
polar nuclei
palisade mesophyll
ground tissue
biome
50. What is a final product of glycolysis?
pyruvate
vascular cambium
lack of available oxygen
tRNA