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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. Where in a dicot leaf does the majority of photosynthesis occur?
telophase-I
synthesis of proteins
palisade mesophyll
ghost plant
2. What is NOT a product of the krebs cycle?
provide nutrients for a developing embryo
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
ADP
welwichsia
3. What is NOT a structure found on a typical flowering plant?
protein
-regulate water loss -regulate gas exchange -allow light to enter the leaf
cone
zone of maturation
4. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
iris diaphragm
maternal sporophyte - gametophyte - daughter sporophyte
40x
5. What is a function of the epidermis?
bocarnia
-regulate water loss -regulate gas exchange -allow light to enter the leaf
anther
pairs of chromosomes that each carry an allele for a given trait
6. How many sperm cells does each pollen grain typically carry?
leaf
telophase-I
2
electron transport chain
7. If an ovule is fertilized - what will it develop into?
tRNA
seed
phytochrome
chlorophyll-A
8. Transfer of DNA to RNA
transcription
starch
dehiscent
fungi
9. What are homologous chromosomes?
-organelles -cytosol -nucleus
maternal sporophyte - gametophyte - daughter sporophyte
pairs of chromosomes that each carry an allele for a given trait
the water potential is higher in the potato than the sugar solution
10. Vascular and seed bearing
anther
nucleus
electron transport chain
both gymnosperms and angiosperms
11. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
biome
sister chromatids
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
protein
12. What structure is MOST important in generating root pressure?
nucleus
nitrogenous base
heterozygous
endodermis
13. A plant that carries two different versions of a gene for a single trait is...
sister chromatids
sister chromatids
anther
heterozygous
14. What is a final product of glycolysis?
maternal sporophyte - gametophyte - daughter sporophyte
S-phase
lichens
pyruvate
15. What is the main function of the roots of a corn plant?
chloroplasts
absorption of water
-water vapor -oxygen -carbon dioxide
starch
16. What type of fruit develops from a cluster of many simple flowers?
artificial selection
nitrogenous base
multiple
ground tissue
17. What best describes a dry fruit which opens at maturity?
palisade mesophyll
lack of available oxygen
dehiscent
starch
18. If an ovule is fertilized - what will it develop into?
synthesis of proteins
ghost plant
seed
pyruvate
19. During which phase of mitosis do the sister chromatids separate?
active transport
tRNA
gymnosperms
anaphase
20. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
pasteurization
eukaryotes
a changing/heterogeneous environment
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
21. 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.
bryophytes
ground tissue
pericycle
-regulate water loss -regulate gas exchange -allow light to enter the leaf
22. A plant that carries two different versions of a gene for a single trait is...
heterozygous
bud scale scars
lipids
krebs cycle
23. What are harmful effects of bacteria?
pathogens
cone
lipids
biome
24. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
leaf
krebs cycle -glycolysis
accessory
krebs cycle
25. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
krebs cycle -glycolysis
krebs cycle -glycolysis
storage
26. What type of RNA has an anticodon?
lack of available oxygen
anaphase
tRNA
anther
27. What is a product of the biochemical reactions of photosynthesis?
2
potato
abscistic acid
starch
28. Which commonly eaten food is an example of a stem?
chlorophyll-A
osmosis
potato
palisade mesophyll
29. What is a final product of aerobic respiration?
fuzzy plant
potato
carbon dioxide
the water potential is higher in the potato than the sugar solution
30. What causes diffusion of gases to occur?
andom particle movement results in a net movement from high to low concentration
biome
starch
phytochrome
31. 'Alleles' are best described as...
resonance
versions of a gene
synthesis of proteins
chlorophyll-A
32. During which phase of the cell cycle does DNA replication occur?
2
S-phase
mangrove
transcription
33. 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
water
lack of available oxygen
nucleus
gymnosperms
34. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
endodermis
ferns
fungi
resonance
35. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
electron transport chain
-water vapor -oxygen -carbon dioxide
artificial selection
butcher's broom
36. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
nitrogenous base
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
2
37. 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
bryophytes
lumen
abscistic acid
38. Where in a plant is the water potential lowest?
leaf
phytochrome
interrupt the dark period with several minutes of light
absorption of water
39. What is a final product of glycolysis?
chlorophyll-A
pyruvate
nitrogenous base
heterozygous
40. What type of fruit develops from a cluster of many simple flowers?
heartwood
multiple
potato
prokaryotes
41. Which part of aerobic respiration generates the most ATP?
ghost plant
electron transport chain
ground tissue
active transport
42. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
lumen
DNA
active transport
43. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
40x
bionary fission and asexually
ferns
44. What are adenine - guanine - thymine - cytosine?
provide nutrients for a developing embryo
nitrogenous base
cheese - yogurt - pharmaceuticals
tRNA
45. 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.
potato
lichens
bryophytes
eukaryotes
46. What structure is MOST important in generating root pressure?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
storage
absorption of water
endodermis
47. What cell undergoes meiosis?
fuzzy plant
natural selection
NOT a sperm - microspore - or egg cell
both gymnosperms and angiosperms
48. What tissue can be found in a root but not in a stem?
krebs cycle -glycolysis
pericycle
bud scale scars
ADP
49. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
ethylene
cytokinnin
pericycle
pitcher plant
50. What is the primary function of collenchyma cells?
structural support
prophase
ethylene
iris diaphragm