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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
gymnosperms
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
2. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
lichens
bocarnia
starch
seed
3. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
pyruvate
ADP
storage
cytokinnin
4. Vascular and seed bearing
mangrove
protein
40x
both gymnosperms and angiosperms
5. What hormone is most important in the ripening of fruits?
bud scale scars
ethylene
tRNA
krebs cycle
6. What part of a stem can a tree live without?
heterozygous
2
heartwood
anaphase
7. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
versions of a gene
provide nutrients for a developing embryo
ethylene
accessory
8. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
water
abscistic acid
butcher's broom
orchids
9. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
fungi
storage
iris diaphragm
40x
10. Three generations of gymnosperms
andom particle movement results in a net movement from high to low concentration
effects of rising carbon dioxide
maternal sporophyte - gametophyte - daughter sporophyte
lipids
11. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
potato
synthesis of proteins
lack of available oxygen
mangrove
12. What are harmful effects of bacteria?
dehiscent
natural selection
pathogens
2
13. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
evolution
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
tRNA
active transport
14. What is the function of the cortex in a root?
storage
leaf
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
both gymnosperms and angiosperms
15. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
pitcher plant
ghost plant
protein
lack of available oxygen
16. What part of a stem can a tree live without?
natural selection
heterozygous
heartwood
fuzzy plant
17. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
leaf
40x
fuzzy plant
polar nuclei
18. In what portion of a root might you find 'root hairs'?
NOT a sperm - microspore - or egg cell
zone of maturation
pitcher plant
versions of a gene
19. What tissue can be found in a root but not in a stem?
cheese - yogurt - pharmaceuticals
butcher's broom
pericycle
chlorophyll-A
20. How do bacteria reproduce?
bionary fission and asexually
orchids
sister chromatids
both gymnosperms and angiosperms
21. What cell undergoes meiosis?
phytochrome
lichens
NOT a sperm - microspore - or egg cell
2
22. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
interrupt the dark period with several minutes of light
radial arrangement
ferns
andom particle movement results in a net movement from high to low concentration
23. What is NOT a structure found on a typical flowering plant?
the water potential is higher in the potato than the sugar solution
cone
protein
sister chromatids
24. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
ghost plant
NOT a sperm - microspore - or egg cell
prokaryotes
25. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
40x
carbon dioxide
xylem
krebs cycle
26. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
ground tissue
osmosis
bocarnia
cytokinnin
27. What pigment is responsible for plants sensing day length?
chlorophyll-A
phytochrome
protein
lumen
28. Where in a dicot leaf does the majority of photosynthesis occur?
eukaryotes
palisade mesophyll
welwichsia
starch
29. What best describes a dry fruit which opens at maturity?
tRNA
prokaryotes
dehiscent
pyruvate
30. What is a reactant in the photochemical reactions of photosynthesis?
radial arrangement
water
a changing/heterogeneous environment
multiple
31. Under what conditions would a plant utilize fermentation to obtain energy?
lack of available oxygen
evolution
xylem
RNA
32. In what part of a flower is pollen produced?
lack of available oxygen
resonance
anther
cyanobacteria - green algae - red algae
33. Iodine can be used to test for what molecule - resulting in a blue-black color?
sister chromatids
S-phase
starch
lichens
34. During which phase of mitosis do the sister chromatids separate?
DNA
transcription
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
anaphase
35. What is a final product of aerobic respiration?
zone of maturation
carbon dioxide
nucleus
lack of available oxygen
36. What type of fruit develops from a cluster of many simple flowers?
butcher's broom
vascular cambium
-regulate water loss -regulate gas exchange -allow light to enter the leaf
multiple
37. 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.
abscistic acid
nucleus
welwichsia
mRNA
38. What pigment absorbs energy and can emit an electron in photosynthesis?
chlorophyll-A
provide nutrients for a developing embryo
lumen
endodermis
39. What organelle was observable in the onion epidermis stained with iodine?
pairs of chromosomes that each carry an allele for a given trait
butcher's broom
lichens
nucleus
40. During which phase of meiosis do daughter cells become haploid?
cyanobacteria - green algae - red algae
telophase-I
electron transport chain
tRNA
41. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
lichens
bionary fission and asexually
palisade mesophyll
ethylene
42. What best describes a dry fruit which opens at maturity?
bionary fission and asexually
dehiscent
telophase-I
chlorophyll-A
43. Three generations of gymnosperms
chloroplasts
storage
maternal sporophyte - gametophyte - daughter sporophyte
anther
44. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
cheese - yogurt - pharmaceuticals
nitrogenous base
DNA
pasteurization
45. What causes diffusion of gases to occur?
andom particle movement results in a net movement from high to low concentration
mRNA
cone
both gymnosperms and angiosperms
46. Change in gene frequency in a gene population over time.
evolution
bryophytes
accessory
mRNA
47. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
krebs cycle -glycolysis
lipids
bionary fission and asexually
48. What structure is MOST important in generating root pressure?
leaf
absorption of water
synthesis of proteins
endodermis
49. Have a nucleus - and a cell membrane
ground tissue
xylem
lumen
eukaryotes
50. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
cheese - yogurt - pharmaceuticals
leaf
endodermis