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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 contains the most potential energy?
starch
biome
andom particle movement results in a net movement from high to low concentration
hormones are produced in a part of a plant and act in another part.
2. How do bacteria reproduce?
mRNA
lumen
biome
bionary fission and asexually
3. A plant that carries two different versions of a gene for a single trait is...
pyruvate
abscistic acid
heterozygous
polar nuclei
4. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
vascular cambium
absorption of water
S-phase
leaf
5. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
biome
pitcher plant
leaf
ADP
6. What organelle do guard cells contain that other epidermal cells lack?
cyanobacteria - green algae - red algae
chloroplasts
mangrove
versions of a gene
7. What type of RNA has an anticodon?
ground tissue
nitrogenous base
tRNA
starch
8. 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
krebs cycle
biome
vascular cambium
9. What separates during meiosis-II
absorption of water
bocarnia
sister chromatids
prokaryotes
10. Where in a plant is the water potential lowest?
hormones are produced in a part of a plant and act in another part.
heterozygous
leaf
provide nutrients for a developing embryo
11. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
lack of available oxygen
pericycle
vascular cambium
fuzzy plant
12. What contains the most potential energy?
hormones are produced in a part of a plant and act in another part.
starch
anaphase
abscistic acid
13. What organelle was observable in the onion epidermis stained with iodine?
nucleus
cyanobacteria - green algae - red algae
bud scale scars
iris diaphragm
14. What organelle do guard cells contain that other epidermal cells lack?
synthesis of proteins
chloroplasts
cheese - yogurt - pharmaceuticals
cone
15. What is NOT a function of the vacuole?
active transport
pairs of chromosomes that each carry an allele for a given trait
storage
synthesis of proteins
16. What type of fruit develops from a cluster of many simple flowers?
heartwood
dehiscent
multiple
accessory
17. What is a final product of aerobic respiration?
transcription
lumen
carbon dioxide
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
18. 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
osmosis
mangrove
heterozygous
19. What is the primary function of collenchyma cells?
starch
structural support
multiple
interrupt the dark period with several minutes of light
20. 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.
cheese - yogurt - pharmaceuticals
potato
welwichsia
prophase
21. During which phase of mitosis does the nuclear envelope disappear?
resonance
prophase
fuzzy plant
ferns
22. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
krebs cycle -glycolysis
-water vapor -oxygen -carbon dioxide
both gymnosperms and angiosperms
storage
23. What are harmful effects of bacteria?
prokaryotes
pathogens
anther
cyanobacteria - green algae - red algae
24. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
electron transport chain
bud scale scars
natural selection
chlorophyll-A
25. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
bryophytes
prokaryotes
bocarnia
ground tissue
26. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
fungi
krebs cycle -glycolysis
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
27. Have a nucleus - and a cell membrane
eukaryotes
endodermis
phytochrome
anaphase
28. Change in gene frequency in a gene population over time.
pasteurization
heterozygous
polar nuclei
evolution
29. What type of RNA has an anticodon?
synthesis of proteins
orchids
tRNA
krebs cycle
30. During which phase of meiosis do daughter cells become haploid?
telophase-I
versions of a gene
ADP
bocarnia
31. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
lack of available oxygen
lumen
the water potential is higher in the potato than the sugar solution
structural support
32. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
krebs cycle -glycolysis
mangrove
bud scale scars
osmosis
33. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
nucleus
bud scale scars
fungi
a changing/heterogeneous environment
34. A plant that carries two different versions of a gene for a single trait is...
heterozygous
starch
translation
starch
35. What is a final product of glycolysis?
pathogens
biome
sister chromatids
pyruvate
36. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
pericycle
polar nuclei
zone of maturation
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
37. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
xylem
abscistic acid
eukaryotes
krebs cycle -glycolysis
38. What are the major groups of algae?
ADP
cyanobacteria - green algae - red algae
lack of available oxygen
radial arrangement
39. 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
lipids
pitcher plant
gymnosperms
endodermis
40. Which part of aerobic respiration results in the production of CO2?
multiple
nitrogenous base
carbon dioxide
krebs cycle
41. Have a cell wall - no membrane - and no nucleus
zone of maturation
prokaryotes
gymnosperms
both gymnosperms and angiosperms
42. How is algae different from 'true' plants?
pericycle
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
butcher's broom
anther
43. What process involves the movement of water across a semi-permeable membrane?
carbon dioxide
ghost plant
transcription
osmosis
44. What are adenine - guanine - thymine - cytosine?
water
nitrogenous base
pasteurization
tRNA
45. Which substances pass through the open stomata of a leaf?
the water potential is higher in the potato than the sugar solution
bud scale scars
dehiscent
-water vapor -oxygen -carbon dioxide
46. How does DNA replication take place?
biome
RNA
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
both gymnosperms and angiosperms
47. What process involves the movement of water across a semi-permeable membrane?
multiple
osmosis
accessory
orchids
48. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
cone
bocarnia
welwichsia
chlorophyll-A
49. What is a product of the biochemical reactions of photosynthesis?
anaphase
lipids
starch
dehiscent
50. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
xylem
absorption of water
iris diaphragm
transcription