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Test your basic knowledge |
Botany Test
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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. Info. carrying molecule - single stranded
RNA
butcher's broom
interrupt the dark period with several minutes of light
lichens
2. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
bocarnia
butcher's broom
cone
chloroplasts
3. What process involves the movement of water across a semi-permeable membrane?
provide nutrients for a developing embryo
bocarnia
bryophytes
osmosis
4. You can determine the age of a woody branch by counting these
bud scale scars
welwichsia
natural selection
abscistic acid
5. What would be a way of keeping a short-day plant from blooming?
leaf
orchids
interrupt the dark period with several minutes of light
xylem
6. What is NOT a function of the vacuole?
the water potential is higher in the potato than the sugar solution
seed
2
synthesis of proteins
7. During which phase of mitosis does the nuclear envelope disappear?
prokaryotes
prokaryotes
prophase
anther
8. What type of RNA has an anticodon?
tRNA
lumen
iris diaphragm
cheese - yogurt - pharmaceuticals
9. What BEST describes plant hormones?
multiple
abscistic acid
hormones are produced in a part of a plant and act in another part.
prokaryotes
10. What are the major groups of algae?
eukaryotes
cyanobacteria - green algae - red algae
telophase-I
starch
11. What is a final product of aerobic respiration?
both gymnosperms and angiosperms
carbon dioxide
vascular cambium
2
12. How are the vascular bundles of a dicot arranged in the stem?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
-organelles -cytosol -nucleus
radial arrangement
potato
13. Which substances pass through the open stomata of a leaf?
anaphase
pathogens
zone of maturation
-water vapor -oxygen -carbon dioxide
14. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
sister chromatids
pyruvate
ghost plant
cytokinnin
15. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
ferns
accessory
anther
bryophytes
16. What is the function of the cortex in a root?
chlorophyll-A
cone
pairs of chromosomes that each carry an allele for a given trait
storage
17. What pigment absorbs energy and can emit an electron in photosynthesis?
ADP
prokaryotes
chlorophyll-A
resonance
18. Enzymes are an example of what type of molecule?
cytokinnin
protein
S-phase
evolution
19. During which phase of mitosis does the nuclear envelope disappear?
starch
prophase
storage
orchids
20. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
endodermis
storage
tRNA
fungi
21. Transferring of the information from the DNA into the language of the mRNA.
natural selection
-water vapor -oxygen -carbon dioxide
translation
osmosis
22. What type of RNA has a codon?
mRNA
polar nuclei
ADP
tRNA
23. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
palisade mesophyll
endodermis
ground tissue
nucleus
24. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
biome
cheese - yogurt - pharmaceuticals
translation
krebs cycle
25. In what part of a flower is pollen produced?
orchids
multiple
hormones are produced in a part of a plant and act in another part.
anther
26. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
cytokinnin
ferns
welwichsia
27. What is the main function of the roots of a corn plant?
absorption of water
heterozygous
active transport
osmosis
28. Bugs crawl into 'pitchers' - tiny hairs keep them from getting out - plant breaks down enzymes - and uses nitrogen. lives in places where nitrogen is limited.
pitcher plant
osmosis
cytokinnin
palisade mesophyll
29. Where in a plant is the water potential lowest?
synthesis of proteins
starch
prokaryotes
leaf
30. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
seed
resonance
cyanobacteria - green algae - red algae
lichens
31. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
bocarnia
starch
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
32. During which phase of mitosis do the sister chromatids separate?
translation
chlorophyll-A
anaphase
bryophytes
33. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
NOT a sperm - microspore - or egg cell
bocarnia
nucleus
40x
34. Where in a plant is the water potential lowest?
leaf
cyanobacteria - green algae - red algae
both gymnosperms and angiosperms
biome
35. What best describes a dry fruit which opens at maturity?
accessory
dehiscent
endodermis
fungi
36. What is the primary function of collenchyma cells?
radial arrangement
gymnosperms
structural support
artificial selection
37. How does DNA replication take place?
biome
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
resonance
2
38. What type of fruit develops from a cluster of many simple flowers?
multiple
nitrogenous base
ferns
fungi
39. What structure is MOST important in generating root pressure?
bionary fission and asexually
endodermis
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
pasteurization
40. What tissue can be found in a root but not in a stem?
iris diaphragm
osmosis
pericycle
pairs of chromosomes that each carry an allele for a given trait
41. What are harmful effects of bacteria?
vascular cambium
ferns
pathogens
nucleus
42. Three generations of gymnosperms
tRNA
maternal sporophyte - gametophyte - daughter sporophyte
polar nuclei
starch
43. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
synthesis of proteins
krebs cycle -glycolysis
evolution
44. What hormone is most important in the ripening of fruits?
natural selection
anther
ethylene
artificial selection
45. How is algae different from 'true' plants?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
storage
hormones are produced in a part of a plant and act in another part.
synthesis of proteins
46. Which part of aerobic respiration results in the production of CO2?
krebs cycle
bud scale scars
iris diaphragm
versions of a gene
47. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
artificial selection
interrupt the dark period with several minutes of light
absorption of water
active transport
48. What is NOT a structure found on a typical flowering plant?
biome
sister chromatids
cone
xylem
49. Iodine can be used to test for what molecule - resulting in a blue-black color?
vascular cambium
-regulate water loss -regulate gas exchange -allow light to enter the leaf
sister chromatids
starch
50. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
pathogens
a changing/heterogeneous environment
nitrogenous base
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