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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 are homologous chromosomes?
cheese - yogurt - pharmaceuticals
abscistic acid
evolution
pairs of chromosomes that each carry an allele for a given trait
2. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
mangrove
multiple
-water vapor -oxygen -carbon dioxide
3. What is NOT a product of the krebs cycle?
heterozygous
ferns
andom particle movement results in a net movement from high to low concentration
ADP
4. Iodine can be used to test for what molecule - resulting in a blue-black color?
vascular cambium
hormones are produced in a part of a plant and act in another part.
starch
ferns
5. Where in a plant is the water potential lowest?
carbon dioxide
leaf
zone of maturation
water
6. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
maternal sporophyte - gametophyte - daughter sporophyte
polar nuclei
fungi
tRNA
7. How is algae different from 'true' plants?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
heterozygous
zone of maturation
provide nutrients for a developing embryo
8. What type of RNA has an anticodon?
iris diaphragm
a changing/heterogeneous environment
tRNA
maternal sporophyte - gametophyte - daughter sporophyte
9. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
sister chromatids
provide nutrients for a developing embryo
both gymnosperms and angiosperms
lumen
10. A plant that carries two different versions of a gene for a single trait is...
synthesis of proteins
heterozygous
NOT a sperm - microspore - or egg cell
potato
11. What causes diffusion of gases to occur?
krebs cycle
andom particle movement results in a net movement from high to low concentration
chloroplasts
fungi
12. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
40x
cyanobacteria - green algae - red algae
ferns
the water potential is higher in the potato than the sugar solution
13. 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
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
gymnosperms
nucleus
endodermis
14. What BEST describes plant hormones?
cheese - yogurt - pharmaceuticals
RNA
starch
hormones are produced in a part of a plant and act in another part.
15. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
zone of maturation
interrupt the dark period with several minutes of light
ethylene
16. What is the function of the cortex in a root?
storage
-water vapor -oxygen -carbon dioxide
sister chromatids
gymnosperms
17. Which commonly eaten food is an example of a stem?
xylem
potato
a changing/heterogeneous environment
iris diaphragm
18. NO vascular tissue - NO roots - have modified photosynthetic tissue to help it absorb carbon dioxide without losing too much water - can survive in variety of environments - seedless - and commonly seen as mosses - hornworts - and liverworts.
natural selection
nucleus
chlorophyll-A
bryophytes
19. During which phase of meiosis do daughter cells become haploid?
40x
welwichsia
telophase-I
2
20. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
telophase-I
lipids
palisade mesophyll
artificial selection
21. How are the vascular bundles of a dicot arranged in the stem?
bocarnia
2
radial arrangement
pyruvate
22. What is NOT a product of the krebs cycle?
ADP
mRNA
-organelles -cytosol -nucleus
synthesis of proteins
23. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
hormones are produced in a part of a plant and act in another part.
pitcher plant
polar nuclei
zone of maturation
24. What is considered part of the protoplast?
-organelles -cytosol -nucleus
lichens
heartwood
nitrogenous base
25. Under what conditions would a plant utilize fermentation to obtain energy?
synthesis of proteins
resonance
potato
lack of available oxygen
26. Have a cell wall - no membrane - and no nucleus
heartwood
versions of a gene
prokaryotes
active transport
27. 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
lumen
ADP
telophase-I
28. What part of a stem can a tree live without?
interrupt the dark period with several minutes of light
starch
krebs cycle
heartwood
29. 'Alleles' are best described as...
resonance
versions of a gene
biome
mangrove
30. 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
cone
lichens
a changing/heterogeneous environment
31. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
vascular cambium
a changing/heterogeneous environment
starch
pairs of chromosomes that each carry an allele for a given trait
32. You can determine the age of a woody branch by counting these
S-phase
krebs cycle -glycolysis
bud scale scars
cone
33. What are harmful effects of bacteria?
pathogens
pairs of chromosomes that each carry an allele for a given trait
chlorophyll-A
krebs cycle
34. 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.
anaphase
natural selection
storage
welwichsia
35. During which phase of mitosis do the sister chromatids separate?
lichens
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
2
anaphase
36. What is NOT a structure found on a typical flowering plant?
heartwood
ground tissue
cone
RNA
37. What would be a way of keeping a short-day plant from blooming?
interrupt the dark period with several minutes of light
RNA
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
biome
38. What hormone is most important in the ripening of fruits?
ethylene
transcription
abscistic acid
maternal sporophyte - gametophyte - daughter sporophyte
39. If an ovule is fertilized - what will it develop into?
multiple
ADP
potato
seed
40. What is the main function of the roots of a corn plant?
butcher's broom
absorption of water
starch
bionary fission and asexually
41. During which phase of mitosis do the sister chromatids separate?
chlorophyll-A
anaphase
vascular cambium
protein
42. What structure is MOST important in generating root pressure?
endodermis
polar nuclei
krebs cycle -glycolysis
versions of a gene
43. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
interrupt the dark period with several minutes of light
gymnosperms
krebs cycle
44. How do bacteria reproduce?
ground tissue
biome
bionary fission and asexually
osmosis
45. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
effects of rising carbon dioxide
seed
46. What is a reactant in the photochemical reactions of photosynthesis?
vascular cambium
bocarnia
water
eukaryotes
47. 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.
welwichsia
lichens
lumen
pairs of chromosomes that each carry an allele for a given trait
48. What are harmful effects of bacteria?
tRNA
nucleus
pathogens
telophase-I
49. Change in gene frequency in a gene population over time.
bionary fission and asexually
heartwood
sister chromatids
evolution
50. What organelle do guard cells contain that other epidermal cells lack?
chloroplasts
pericycle
prokaryotes
eukaryotes