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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 pigment absorbs energy and can emit an electron in photosynthesis?
chlorophyll-A
RNA
bud scale scars
accessory
2. 'Alleles' are best described as...
S-phase
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
versions of a gene
starch
3. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
RNA
mangrove
prokaryotes
translation
4. What tissue can be found in a root but not in a stem?
RNA
versions of a gene
translation
pericycle
5. What type of RNA has a codon?
pairs of chromosomes that each carry an allele for a given trait
prokaryotes
mRNA
lichens
6. What is a reactant in the photochemical reactions of photosynthesis?
anther
mRNA
active transport
water
7. 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.
pairs of chromosomes that each carry an allele for a given trait
nucleus
bryophytes
absorption of water
8. What is the primary function of collenchyma cells?
bocarnia
cytokinnin
structural support
versions of a gene
9. What is NOT a structure found on a typical flowering plant?
anther
pyruvate
cone
nitrogenous base
10. Which part of aerobic respiration results in the production of CO2?
xylem
RNA
krebs cycle
electron transport chain
11. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
starch
ferns
NOT a sperm - microspore - or egg cell
nucleus
12. In what portion of a root might you find 'root hairs'?
heartwood
zone of maturation
ethylene
active transport
13. What are the major groups of algae?
mangrove
heartwood
2
cyanobacteria - green algae - red algae
14. What cell undergoes meiosis?
radial arrangement
prokaryotes
dehiscent
NOT a sperm - microspore - or egg cell
15. Have a nucleus - and a cell membrane
lumen
-regulate water loss -regulate gas exchange -allow light to enter the leaf
eukaryotes
lack of available oxygen
16. What are adenine - guanine - thymine - cytosine?
protein
radial arrangement
2
nitrogenous base
17. What hormone is most important in the ripening of fruits?
biome
ethylene
xylem
evolution
18. What structure is MOST important in generating root pressure?
endodermis
orchids
artificial selection
nucleus
19. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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20. What best describes a dry fruit which opens at maturity?
chloroplasts
dehiscent
starch
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
21. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
pathogens
artificial selection
bocarnia
bionary fission and asexually
22. Where in a dicot leaf does the majority of photosynthesis occur?
transcription
palisade mesophyll
pairs of chromosomes that each carry an allele for a given trait
water
23. 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?
iris diaphragm
the water potential is higher in the potato than the sugar solution
evolution
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
24. What tissue can be found in a root but not in a stem?
gymnosperms
dehiscent
pericycle
transcription
25. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
eukaryotes
the water potential is higher in the potato than the sugar solution
40x
palisade mesophyll
26. During which phase of mitosis does the nuclear envelope disappear?
-water vapor -oxygen -carbon dioxide
heartwood
prophase
ethylene
27. Iodine can be used to test for what molecule - resulting in a blue-black color?
versions of a gene
structural support
the water potential is higher in the potato than the sugar solution
starch
28. What are adenine - guanine - thymine - cytosine?
lichens
nitrogenous base
leaf
pericycle
29. What part of a stem can a tree live without?
heartwood
nitrogenous base
sister chromatids
2
30. What are beneficial products made from bacteria?
mRNA
cheese - yogurt - pharmaceuticals
radial arrangement
artificial selection
31. What are harmful effects of bacteria?
pathogens
2
tRNA
radial arrangement
32. Which part of aerobic respiration generates the most ATP?
electron transport chain
pathogens
pitcher plant
lumen
33. How many sperm cells does each pollen grain typically carry?
both gymnosperms and angiosperms
2
DNA
sister chromatids
34. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
biome
sister chromatids
pitcher plant
35. What are homologous chromosomes?
fuzzy plant
pairs of chromosomes that each carry an allele for a given trait
osmosis
abscistic acid
36. Transfer of DNA to RNA
transcription
zone of maturation
potato
40x
37. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
eukaryotes
fuzzy plant
2
structural support
38. In what part of a flower is pollen produced?
provide nutrients for a developing embryo
anther
phytochrome
palisade mesophyll
39. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
a changing/heterogeneous environment
DNA
transcription
40. What is a final product of glycolysis?
a changing/heterogeneous environment
pyruvate
welwichsia
eukaryotes
41. During which phase of meiosis do daughter cells become haploid?
bionary fission and asexually
transcription
telophase-I
fuzzy plant
42. 'Alleles' are best described as...
versions of a gene
cyanobacteria - green algae - red algae
iris diaphragm
-organelles -cytosol -nucleus
43. What process involves the movement of water across a semi-permeable membrane?
pitcher plant
tRNA
polar nuclei
osmosis
44. 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
effects of rising carbon dioxide
tRNA
gymnosperms
palisade mesophyll
45. Three generations of gymnosperms
storage
maternal sporophyte - gametophyte - daughter sporophyte
active transport
cyanobacteria - green algae - red algae
46. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
iris diaphragm
biome
maternal sporophyte - gametophyte - daughter sporophyte
RNA
47. What would be a way of keeping a short-day plant from blooming?
iris diaphragm
both gymnosperms and angiosperms
pasteurization
interrupt the dark period with several minutes of light
48. Transferring of the information from the DNA into the language of the mRNA.
lipids
active transport
absorption of water
translation
49. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
mangrove
DNA
resonance
abscistic acid
50. What organelle was observable in the onion epidermis stained with iodine?
nucleus
iris diaphragm
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
ethylene