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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. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
the water potential is higher in the potato than the sugar solution
artificial selection
provide nutrients for a developing embryo
welwichsia
2. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
sister chromatids
starch
vascular cambium
hormones are produced in a part of a plant and act in another part.
3. Info. carrying molecule - single stranded
potato
RNA
transcription
cyanobacteria - green algae - red algae
4. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
ghost plant
protein
abscistic acid
-organelles -cytosol -nucleus
5. You can determine the age of a woody branch by counting these
lipids
bud scale scars
telophase-I
-regulate water loss -regulate gas exchange -allow light to enter the leaf
6. What structure is MOST important in generating root pressure?
heartwood
cyanobacteria - green algae - red algae
endodermis
nucleus
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
cone
bryophytes
evolution
8. What is NOT a function of the vacuole?
synthesis of proteins
resonance
fungi
xylem
9. In what part of a flower is pollen produced?
anther
gymnosperms
krebs cycle -glycolysis
cheese - yogurt - pharmaceuticals
10. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
multiple
lumen
mangrove
leaf
11. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
the water potential is higher in the potato than the sugar solution
a changing/heterogeneous environment
heterozygous
12. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
orchids
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
lumen
resonance
13. What type of RNA has a codon?
fungi
mRNA
potato
provide nutrients for a developing embryo
14. Which part of aerobic respiration results in the production of CO2?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
starch
bionary fission and asexually
krebs cycle
15. What are harmful effects of bacteria?
pathogens
krebs cycle
chlorophyll-A
nucleus
16. During which phase of meiosis do daughter cells become haploid?
structural support
telophase-I
bud scale scars
artificial selection
17. What structure is MOST important in generating root pressure?
the water potential is higher in the potato than the sugar solution
cyanobacteria - green algae - red algae
endodermis
lichens
18. Info. carrying molecule - single stranded
starch
vascular cambium
RNA
andom particle movement results in a net movement from high to low concentration
19. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
evolution
lumen
nucleus
both gymnosperms and angiosperms
20. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
a changing/heterogeneous environment
andom particle movement results in a net movement from high to low concentration
active transport
versions of a gene
21. What is considered part of the protoplast?
pyruvate
welwichsia
-organelles -cytosol -nucleus
versions of a gene
22. What causes diffusion of gases to occur?
andom particle movement results in a net movement from high to low concentration
nitrogenous base
pathogens
bocarnia
23. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
ground tissue
bryophytes
vascular cambium
accessory
24. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
anther
ground tissue
water
-regulate water loss -regulate gas exchange -allow light to enter the leaf
25. What organelle was observable in the onion epidermis stained with iodine?
nucleus
welwichsia
hormones are produced in a part of a plant and act in another part.
versions of a gene
26. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
multiple
resonance
orchids
lumen
27. During which phase of the cell cycle does DNA replication occur?
radial arrangement
vascular cambium
multiple
S-phase
28. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
natural selection
the water potential is higher in the potato than the sugar solution
heartwood
29. What would be a way of keeping a short-day plant from blooming?
vascular cambium
polar nuclei
nucleus
interrupt the dark period with several minutes of light
30. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
-regulate water loss -regulate gas exchange -allow light to enter the leaf
anaphase
synthesis of proteins
31. 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
-organelles -cytosol -nucleus
gymnosperms
biome
anther
32. What BEST describes plant hormones?
leaf
ADP
bionary fission and asexually
hormones are produced in a part of a plant and act in another part.
33. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
pitcher plant
DNA
phytochrome
ferns
34. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
artificial selection
cyanobacteria - green algae - red algae
bocarnia
a changing/heterogeneous environment
35. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
leaf
lumen
translation
iris diaphragm
36. What tissue can be found in a root but not in a stem?
cone
biome
ferns
pericycle
37. What part of a stem can a tree live without?
bionary fission and asexually
heartwood
biome
krebs cycle -glycolysis
38. Transferring of the information from the DNA into the language of the mRNA.
mangrove
translation
bocarnia
artificial selection
39. A plant that carries two different versions of a gene for a single trait is...
transcription
heterozygous
dehiscent
radial arrangement
40. 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.
interrupt the dark period with several minutes of light
welwichsia
vascular cambium
-organelles -cytosol -nucleus
41. What are homologous chromosomes?
zone of maturation
pairs of chromosomes that each carry an allele for a given trait
accessory
resonance
42. What is a reactant in the photochemical reactions of photosynthesis?
water
anther
S-phase
abscistic acid
43. If an ovule is fertilized - what will it develop into?
seed
both gymnosperms and angiosperms
ferns
storage
44. What plant tissue functions in conducting water from the roots to the leaves?
both gymnosperms and angiosperms
cytokinnin
xylem
iris diaphragm
45. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
40x
ADP
water
fuzzy plant
46. What organelle contains DNA?
versions of a gene
chlorophyll-A
telophase-I
nucleus
47. During which phase of mitosis does the nuclear envelope disappear?
S-phase
krebs cycle
prophase
40x
48. 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?
S-phase
the water potential is higher in the potato than the sugar solution
carbon dioxide
cone
49. What would be a way of keeping a short-day plant from blooming?
cheese - yogurt - pharmaceuticals
interrupt the dark period with several minutes of light
orchids
gymnosperms
50. What is the role of endosperm?
iris diaphragm
fuzzy plant
provide nutrients for a developing embryo
ferns