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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. A plant that carries two different versions of a gene for a single trait is...
structural support
fuzzy plant
polar nuclei
heterozygous
2. What are harmful effects of bacteria?
starch
interrupt the dark period with several minutes of light
pathogens
prokaryotes
3. What is the function of the cortex in a root?
storage
mangrove
-regulate water loss -regulate gas exchange -allow light to enter the leaf
ferns
4. What pigment is responsible for plants sensing day length?
S-phase
bryophytes
evolution
phytochrome
5. Three generations of gymnosperms
RNA
iris diaphragm
pyruvate
maternal sporophyte - gametophyte - daughter sporophyte
6. In what portion of a root might you find 'root hairs'?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
zone of maturation
2
multiple
7. How many sperm cells does each pollen grain typically carry?
pyruvate
tRNA
2
artificial selection
8. What separates during meiosis-II
synthesis of proteins
sister chromatids
mRNA
pasteurization
9. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
lichens
-regulate water loss -regulate gas exchange -allow light to enter the leaf
S-phase
pyruvate
10. 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.
tRNA
cheese - yogurt - pharmaceuticals
2
pitcher plant
11. What process involves the movement of water across a semi-permeable membrane?
osmosis
artificial selection
tRNA
bocarnia
12. What pigment absorbs energy and can emit an electron in photosynthesis?
chlorophyll-A
biome
electron transport chain
starch
13. What are the major groups of algae?
multiple
welwichsia
cyanobacteria - green algae - red algae
protein
14. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
welwichsia
lumen
cyanobacteria - green algae - red algae
the water potential is higher in the potato than the sugar solution
15. What is a reactant in the photochemical reactions of photosynthesis?
gymnosperms
lichens
water
krebs cycle
16. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
both gymnosperms and angiosperms
tRNA
sister chromatids
17. During which phase of mitosis do the sister chromatids separate?
anaphase
interrupt the dark period with several minutes of light
prokaryotes
vascular cambium
18. A plant that carries two different versions of a gene for a single trait is...
heterozygous
S-phase
pasteurization
water
19. How does DNA replication take place?
anaphase
natural selection
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
lumen
20. What are beneficial products made from bacteria?
mangrove
cheese - yogurt - pharmaceuticals
prophase
2
21. What is the main function of the roots of a corn plant?
synthesis of proteins
absorption of water
ground tissue
translation
22. Where in a plant is the water potential lowest?
leaf
chloroplasts
ethylene
RNA
23. What contains the most potential energy?
starch
tRNA
40x
bud scale scars
24. What cell undergoes meiosis?
NOT a sperm - microspore - or egg cell
active transport
versions of a gene
ghost plant
25. Iodine can be used to test for what molecule - resulting in a blue-black color?
S-phase
radial arrangement
lumen
starch
26. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
andom particle movement results in a net movement from high to low concentration
artificial selection
dehiscent
27. Info. carrying molecule - single stranded
iris diaphragm
potato
RNA
water
28. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
ADP
bocarnia
both gymnosperms and angiosperms
evolution
29. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
anaphase
mangrove
maternal sporophyte - gametophyte - daughter sporophyte
2
30. In what part of a flower is pollen produced?
fuzzy plant
fungi
ADP
anther
31. What tissue can be found in a root but not in a stem?
krebs cycle -glycolysis
pitcher plant
lipids
pericycle
32. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
a changing/heterogeneous environment
polar nuclei
lichens
provide nutrients for a developing embryo
33. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
butcher's broom
anther
resonance
zone of maturation
34. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
fuzzy plant
DNA
RNA
protein
35. What are homologous chromosomes?
vascular cambium
synthesis of proteins
cytokinnin
pairs of chromosomes that each carry an allele for a given trait
36. What are the major groups of algae?
lumen
2
cyanobacteria - green algae - red algae
pairs of chromosomes that each carry an allele for a given trait
37. Cladifils- modified stems that look like leaves - all parts are photosynthetic
38. Which part of aerobic respiration results in the production of CO2?
radial arrangement
artificial selection
ferns
krebs cycle
39. What organelle do guard cells contain that other epidermal cells lack?
zone of maturation
the water potential is higher in the potato than the sugar solution
chloroplasts
versions of a gene
40. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
biome
-water vapor -oxygen -carbon dioxide
ferns
cone
41. What are harmful effects of bacteria?
tRNA
dehiscent
pathogens
structural support
42. How many sperm cells does each pollen grain typically carry?
cone
ground tissue
chloroplasts
2
43. You can determine the age of a woody branch by counting these
bud scale scars
polar nuclei
orchids
prophase
44. How does DNA replication take place?
eukaryotes
radial arrangement
pasteurization
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
45. Transfer of DNA to RNA
transcription
lichens
active transport
gymnosperms
46. Cladifils- modified stems that look like leaves - all parts are photosynthetic
47. What type of fruit develops from a cluster of many simple flowers?
cytokinnin
multiple
ADP
pericycle
48. What would be a way of keeping a short-day plant from blooming?
vascular cambium
leaf
interrupt the dark period with several minutes of light
-regulate water loss -regulate gas exchange -allow light to enter the leaf
49. What organelle contains DNA?
DNA
prokaryotes
nucleus
absorption of water
50. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
lumen
40x
storage
osmosis