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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. During which phase of meiosis do daughter cells become haploid?
artificial selection
artificial selection
mRNA
telophase-I
2. What is the role of endosperm?
active transport
provide nutrients for a developing embryo
nitrogenous base
accessory
3. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
dehiscent
leaf
lumen
prophase
4. Transfer of DNA to RNA
transcription
dehiscent
radial arrangement
welwichsia
5. How does DNA replication take place?
lipids
polar nuclei
potato
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
6. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
lumen
zone of maturation
eukaryotes
lack of available oxygen
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.
andom particle movement results in a net movement from high to low concentration
polar nuclei
absorption of water
bryophytes
8. How is algae different from 'true' plants?
protein
starch
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
andom particle movement results in a net movement from high to low concentration
9. Transferring of the information from the DNA into the language of the mRNA.
sister chromatids
krebs cycle
translation
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
10. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
fuzzy plant
bocarnia
seed
11. Info. carrying molecule - single stranded
fungi
bocarnia
NOT a sperm - microspore - or egg cell
RNA
12. Which class of organic macromolecule stores the greatest amount of potential energy?
interrupt the dark period with several minutes of light
lipids
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
eukaryotes
13. Which commonly eaten food is an example of a stem?
ADP
artificial selection
seed
potato
14. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
dehiscent
ethylene
hormones are produced in a part of a plant and act in another part.
ghost plant
15. What cell undergoes meiosis?
NOT a sperm - microspore - or egg cell
lichens
krebs cycle
2
16. What is a product of the biochemical reactions of photosynthesis?
iris diaphragm
RNA
-water vapor -oxygen -carbon dioxide
starch
17. What type of RNA has an anticodon?
translation
tRNA
palisade mesophyll
krebs cycle
18. What is the function of the cortex in a root?
storage
active transport
ground tissue
electron transport chain
19. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
eukaryotes
abscistic acid
mRNA
carbon dioxide
20. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
chloroplasts
structural support
a changing/heterogeneous environment
leaf
21. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
artificial selection
leaf
nucleus
krebs cycle -glycolysis
22. What are the major groups of algae?
radial arrangement
butcher's broom
cyanobacteria - green algae - red algae
bionary fission and asexually
23. 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
gymnosperms
bud scale scars
multiple
chloroplasts
24. What is a final product of aerobic respiration?
welwichsia
anaphase
prokaryotes
carbon dioxide
25. Enzymes are an example of what type of molecule?
evolution
protein
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
cyanobacteria - green algae - red algae
26. 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
resonance
krebs cycle
pyruvate
effects of rising carbon dioxide
27. What is NOT a function of the vacuole?
-water vapor -oxygen -carbon dioxide
anaphase
synthesis of proteins
carbon dioxide
28. Enzymes are an example of what type of molecule?
protein
ethylene
-organelles -cytosol -nucleus
orchids
29. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
ground tissue
iris diaphragm
artificial selection
maternal sporophyte - gametophyte - daughter sporophyte
30. Have a cell wall - no membrane - and no nucleus
NOT a sperm - microspore - or egg cell
-water vapor -oxygen -carbon dioxide
nitrogenous base
prokaryotes
31. During which phase of mitosis do the sister chromatids separate?
hormones are produced in a part of a plant and act in another part.
storage
fuzzy plant
anaphase
32. What causes diffusion of gases to occur?
water
ADP
andom particle movement results in a net movement from high to low concentration
endodermis
33. In what portion of a root might you find 'root hairs'?
pathogens
absorption of water
zone of maturation
mRNA
34. What are adenine - guanine - thymine - cytosine?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
pasteurization
ferns
nitrogenous base
35. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
versions of a gene
xylem
S-phase
biome
36. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
structural support
sister chromatids
abscistic acid
40x
37. How are the vascular bundles of a dicot arranged in the stem?
pyruvate
radial arrangement
anther
ferns
38. In what part of a flower is pollen produced?
bocarnia
synthesis of proteins
nucleus
anther
39. What is considered part of the protoplast?
-organelles -cytosol -nucleus
krebs cycle
xylem
multiple
40. What process involves the movement of water across a semi-permeable membrane?
versions of a gene
ghost plant
resonance
osmosis
41. Where in a plant is the water potential lowest?
biome
lack of available oxygen
pairs of chromosomes that each carry an allele for a given trait
leaf
42. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
maternal sporophyte - gametophyte - daughter sporophyte
active transport
2
storage
43. Vascular and seed bearing
bryophytes
zone of maturation
both gymnosperms and angiosperms
orchids
44. What is a reactant in the photochemical reactions of photosynthesis?
water
nucleus
bud scale scars
resonance
45. 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
bocarnia
vascular cambium
xylem
46. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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47. Epiphytes - valemine breaks down compost in roots
orchids
pyruvate
RNA
protein
48. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
lumen
water
andom particle movement results in a net movement from high to low concentration
49. What is NOT a product of the krebs cycle?
lichens
ADP
multiple
pasteurization
50. What organelle do guard cells contain that other epidermal cells lack?
chloroplasts
biome
resonance
ethylene