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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. Enzymes are an example of what type of molecule?
bryophytes
effects of rising carbon dioxide
protein
seed
2. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
NOT a sperm - microspore - or egg cell
nucleus
bocarnia
3. What is NOT a structure found on a typical flowering plant?
leaf
cone
NOT a sperm - microspore - or egg cell
seed
4. What best describes a dry fruit which opens at maturity?
dehiscent
2
ground tissue
both gymnosperms and angiosperms
5. What organelle do guard cells contain that other epidermal cells lack?
nucleus
lack of available oxygen
ADP
chloroplasts
6. What is a final product of glycolysis?
cone
pyruvate
biome
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
7. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
vascular cambium
cytokinnin
bocarnia
evolution
8. Enzymes are an example of what type of molecule?
tRNA
prophase
a changing/heterogeneous environment
protein
9. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
xylem
telophase-I
pericycle
10. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
ground tissue
sister chromatids
accessory
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
11. Transferring of the information from the DNA into the language of the mRNA.
translation
potato
lipids
orchids
12. What best describes a dry fruit which opens at maturity?
structural support
iris diaphragm
water
dehiscent
13. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
biome
pitcher plant
seed
14. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
cone
evolution
artificial selection
vascular cambium
15. Change in gene frequency in a gene population over time.
ferns
evolution
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
heterozygous
16. Three generations of gymnosperms
ferns
maternal sporophyte - gametophyte - daughter sporophyte
orchids
accessory
17. What is the function of the cortex in a root?
-organelles -cytosol -nucleus
starch
a changing/heterogeneous environment
storage
18. What type of RNA has a codon?
lichens
absorption of water
nitrogenous base
mRNA
19. Info. carrying molecule - single stranded
lipids
cytokinnin
RNA
welwichsia
20. What are homologous chromosomes?
pairs of chromosomes that each carry an allele for a given trait
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
vascular cambium
21. During which phase of meiosis do daughter cells become haploid?
natural selection
pyruvate
telophase-I
translation
22. How does DNA replication take place?
abscistic acid
phytochrome
iris diaphragm
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
23. What part of a stem can a tree live without?
heartwood
ethylene
potato
natural selection
24. Which part of aerobic respiration generates the most ATP?
krebs cycle
provide nutrients for a developing embryo
electron transport chain
iris diaphragm
25. Where in a dicot leaf does the majority of photosynthesis occur?
anaphase
nitrogenous base
water
palisade mesophyll
26. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
eukaryotes
evolution
40x
abscistic acid
27. Which substances pass through the open stomata of a leaf?
chloroplasts
mangrove
eukaryotes
-water vapor -oxygen -carbon dioxide
28. Epiphytes - valemine breaks down compost in roots
starch
active transport
orchids
multiple
29. Iodine can be used to test for what molecule - resulting in a blue-black color?
butcher's broom
natural selection
starch
zone of maturation
30. What BEST describes plant hormones?
evolution
S-phase
hormones are produced in a part of a plant and act in another part.
tRNA
31. What would be a way of keeping a short-day plant from blooming?
radial arrangement
interrupt the dark period with several minutes of light
the water potential is higher in the potato than the sugar solution
ethylene
32. 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
telophase-I
2
evolution
33. What separates during meiosis-II
vascular cambium
prokaryotes
lichens
sister chromatids
34. Have a cell wall - no membrane - and no nucleus
prokaryotes
heterozygous
chlorophyll-A
bryophytes
35. Which part of aerobic respiration results in the production of CO2?
chloroplasts
translation
ADP
krebs cycle
36. What plant tissue functions in conducting water from the roots to the leaves?
pyruvate
accessory
xylem
the water potential is higher in the potato than the sugar solution
37. A plant that carries two different versions of a gene for a single trait is...
heterozygous
ghost plant
hormones are produced in a part of a plant and act in another part.
osmosis
38. What is a final product of aerobic respiration?
carbon dioxide
NOT a sperm - microspore - or egg cell
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
40x
39. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
prokaryotes
lack of available oxygen
krebs cycle -glycolysis
anther
40. How many sperm cells does each pollen grain typically carry?
potato
welwichsia
2
RNA
41. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
bryophytes
krebs cycle
bryophytes
42. What type of fruit develops from a cluster of many simple flowers?
iris diaphragm
translation
multiple
anaphase
43. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
pasteurization
artificial selection
resonance
heartwood
44. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
iris diaphragm
fuzzy plant
-water vapor -oxygen -carbon dioxide
welwichsia
45. 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
pasteurization
mRNA
DNA
46. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
active transport
NOT a sperm - microspore - or egg cell
abscistic acid
radial arrangement
47. 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?
ghost plant
versions of a gene
heartwood
the water potential is higher in the potato than the sugar solution
48. What hormone is most important in the ripening of fruits?
ethylene
maternal sporophyte - gametophyte - daughter sporophyte
ADP
fungi
49. What pigment absorbs energy and can emit an electron in photosynthesis?
chlorophyll-A
effects of rising carbon dioxide
pasteurization
andom particle movement results in a net movement from high to low concentration
50. You can determine the age of a woody branch by counting these
telophase-I
nucleus
anaphase
bud scale scars