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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. If an ovule is fertilized - what will it develop into?
effects of rising carbon dioxide
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
electron transport chain
seed
2. What causes diffusion of gases to occur?
water
absorption of water
lumen
andom particle movement results in a net movement from high to low concentration
3. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
water
accessory
polar nuclei
4. What BEST describes plant hormones?
interrupt the dark period with several minutes of light
hormones are produced in a part of a plant and act in another part.
resonance
seed
5. What would be a way of keeping a short-day plant from blooming?
evolution
osmosis
both gymnosperms and angiosperms
interrupt the dark period with several minutes of light
6. During which phase of the cell cycle does DNA replication occur?
vascular cambium
S-phase
ethylene
evolution
7. What is the primary function of collenchyma cells?
lack of available oxygen
orchids
structural support
chlorophyll-A
8. During which phase of meiosis do daughter cells become haploid?
zone of maturation
telophase-I
dehiscent
starch
9. Which part of aerobic respiration results in the production of CO2?
cytokinnin
transcription
chloroplasts
krebs cycle
10. What type of RNA has an anticodon?
tRNA
osmosis
effects of rising carbon dioxide
-organelles -cytosol -nucleus
11. How does DNA replication take place?
active transport
provide nutrients for a developing embryo
xylem
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
12. During which phase of mitosis do the sister chromatids separate?
krebs cycle -glycolysis
lichens
anaphase
evolution
13. What is the function of the cortex in a root?
osmosis
storage
a changing/heterogeneous environment
potato
14. Which class of organic macromolecule stores the greatest amount of potential energy?
nitrogenous base
lipids
leaf
zone of maturation
15. What organelle contains DNA?
nucleus
gymnosperms
translation
iris diaphragm
16. What is NOT a product of the krebs cycle?
nitrogenous base
cyanobacteria - green algae - red algae
ADP
active transport
17. What structure is MOST important in generating root pressure?
synthesis of proteins
endodermis
pyruvate
xylem
18. Which substances pass through the open stomata of a leaf?
pitcher plant
-water vapor -oxygen -carbon dioxide
endodermis
bocarnia
19. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
anther
potato
a changing/heterogeneous environment
effects of rising carbon dioxide
20. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
krebs cycle -glycolysis
maternal sporophyte - gametophyte - daughter sporophyte
iris diaphragm
effects of rising carbon dioxide
21. 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
starch
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
cone
22. What process involves the movement of water across a semi-permeable membrane?
prokaryotes
bud scale scars
nucleus
osmosis
23. Where in a plant is the water potential lowest?
mRNA
leaf
palisade mesophyll
starch
24. How do bacteria reproduce?
bionary fission and asexually
structural support
pasteurization
welwichsia
25. What is considered part of the protoplast?
-organelles -cytosol -nucleus
the water potential is higher in the potato than the sugar solution
polar nuclei
-water vapor -oxygen -carbon dioxide
26. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
carbon dioxide
bocarnia
polar nuclei
dehiscent
27. A plant that carries two different versions of a gene for a single trait is...
synthesis of proteins
heterozygous
butcher's broom
bionary fission and asexually
28. Cladifils- modified stems that look like leaves - all parts are photosynthetic
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29. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
phytochrome
bionary fission and asexually
a changing/heterogeneous environment
bryophytes
30. What organelle contains DNA?
osmosis
nucleus
prophase
lichens
31. Transfer of DNA to RNA
active transport
water
DNA
transcription
32. Iodine can be used to test for what molecule - resulting in a blue-black color?
lipids
synthesis of proteins
starch
protein
33. What are the major groups of algae?
zone of maturation
dehiscent
nucleus
cyanobacteria - green algae - red algae
34. What contains the most potential energy?
ferns
starch
biome
osmosis
35. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
phytochrome
eukaryotes
krebs cycle -glycolysis
polar nuclei
36. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
tRNA
welwichsia
phytochrome
37. What is a final product of glycolysis?
pyruvate
nitrogenous base
artificial selection
a changing/heterogeneous environment
38. What contains the most potential energy?
2
40x
iris diaphragm
starch
39. How is algae different from 'true' plants?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
2
orchids
ground tissue
40. 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.
anther
bryophytes
interrupt the dark period with several minutes of light
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
41. 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.
welwichsia
ADP
bocarnia
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
42. Have a nucleus - and a cell membrane
eukaryotes
anther
structural support
leaf
43. Vascular and seed bearing
bud scale scars
fungi
ADP
both gymnosperms and angiosperms
44. What structure is MOST important in generating root pressure?
radial arrangement
endodermis
interrupt the dark period with several minutes of light
bocarnia
45. Transferring of the information from the DNA into the language of the mRNA.
synthesis of proteins
-water vapor -oxygen -carbon dioxide
RNA
translation
46. Where in a dicot leaf does the majority of photosynthesis occur?
ethylene
starch
maternal sporophyte - gametophyte - daughter sporophyte
palisade mesophyll
47. What organelle was observable in the onion epidermis stained with iodine?
nucleus
cheese - yogurt - pharmaceuticals
butcher's broom
structural support
48. 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
potato
gymnosperms
NOT a sperm - microspore - or egg cell
mRNA
49. What separates during meiosis-II
zone of maturation
ethylene
water
sister chromatids
50. Three generations of gymnosperms
mRNA
resonance
maternal sporophyte - gametophyte - daughter sporophyte
ADP