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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. Which substances pass through the open stomata of a leaf?
osmosis
cyanobacteria - green algae - red algae
ferns
-water vapor -oxygen -carbon dioxide
2. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
vascular cambium
ADP
the water potential is higher in the potato than the sugar solution
chlorophyll-A
3. Have a cell wall - no membrane - and no nucleus
prokaryotes
natural selection
water
artificial selection
4. What is the main function of the roots of a corn plant?
RNA
absorption of water
butcher's broom
dehiscent
5. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
lichens
polar nuclei
nitrogenous base
multiple
6. What pigment absorbs energy and can emit an electron in photosynthesis?
both gymnosperms and angiosperms
DNA
absorption of water
chlorophyll-A
7. What organelle was observable in the onion epidermis stained with iodine?
potato
S-phase
the water potential is higher in the potato than the sugar solution
nucleus
8. During which phase of the cell cycle does DNA replication occur?
krebs cycle
leaf
starch
S-phase
9. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
pairs of chromosomes that each carry an allele for a given trait
heterozygous
resonance
pyruvate
10. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
bryophytes
DNA
pairs of chromosomes that each carry an allele for a given trait
11. Which part of aerobic respiration results in the production of CO2?
effects of rising carbon dioxide
interrupt the dark period with several minutes of light
krebs cycle
versions of a gene
12. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
biome
lumen
resonance
13. What is considered part of the protoplast?
both gymnosperms and angiosperms
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
mangrove
-organelles -cytosol -nucleus
14. If an ovule is fertilized - what will it develop into?
seed
andom particle movement results in a net movement from high to low concentration
mRNA
cyanobacteria - green algae - red algae
15. Heating up bacteria until it is harmless and cannot function.
effects of rising carbon dioxide
provide nutrients for a developing embryo
palisade mesophyll
pasteurization
16. What is the role of endosperm?
provide nutrients for a developing embryo
starch
vascular cambium
the water potential is higher in the potato than the sugar solution
17. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
lack of available oxygen
provide nutrients for a developing embryo
versions of a gene
18. Vascular and seed bearing
both gymnosperms and angiosperms
cone
prophase
lichens
19. What organelle was observable in the onion epidermis stained with iodine?
nucleus
RNA
anther
pyruvate
20. Cladifils- modified stems that look like leaves - all parts are photosynthetic
21. What are adenine - guanine - thymine - cytosine?
pasteurization
welwichsia
nitrogenous base
chloroplasts
22. What organelle do guard cells contain that other epidermal cells lack?
nucleus
tRNA
chloroplasts
protein
23. A piece of potato tuber is placed in a concentrated sugar-water solution. what statement BEST describes why the piece of potato shrinks in size over time?
water
transcription
eukaryotes
the water potential is higher in the potato than the sugar solution
24. How do bacteria reproduce?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
bionary fission and asexually
krebs cycle
protein
25. What is a final product of aerobic respiration?
bocarnia
heartwood
radial arrangement
carbon dioxide
26. What structure is MOST important in generating root pressure?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
abscistic acid
endodermis
pericycle
27. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
40x
starch
telophase-I
nucleus
28. What type of RNA has an anticodon?
tRNA
ferns
the water potential is higher in the potato than the sugar solution
a changing/heterogeneous environment
29. What type of fruit develops from a cluster of many simple flowers?
hormones are produced in a part of a plant and act in another part.
translation
2
multiple
30. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
pathogens
fungi
butcher's broom
31. What organelle contains DNA?
nucleus
effects of rising carbon dioxide
a changing/heterogeneous environment
eukaryotes
32. What cell undergoes meiosis?
multiple
interrupt the dark period with several minutes of light
NOT a sperm - microspore - or egg cell
accessory
33. Have a nucleus - and a cell membrane
telophase-I
-regulate water loss -regulate gas exchange -allow light to enter the leaf
fungi
eukaryotes
34. During which phase of the cell cycle does DNA replication occur?
versions of a gene
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
pyruvate
S-phase
35. 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.
endodermis
multiple
potato
bryophytes
36. What are homologous chromosomes?
carbon dioxide
starch
pairs of chromosomes that each carry an allele for a given trait
versions of a gene
37. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
mRNA
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
38. What is NOT a structure found on a typical flowering plant?
multiple
pitcher plant
mRNA
cone
39. What is a final product of glycolysis?
nitrogenous base
artificial selection
pyruvate
telophase-I
40. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
sister chromatids
40x
pyruvate
41. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
the water potential is higher in the potato than the sugar solution
nitrogenous base
radial arrangement
42. Which commonly eaten food is an example of a stem?
heterozygous
andom particle movement results in a net movement from high to low concentration
potato
vascular cambium
43. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
vascular cambium
maternal sporophyte - gametophyte - daughter sporophyte
cone
gymnosperms
44. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
bionary fission and asexually
protein
interrupt the dark period with several minutes of light
45. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
chlorophyll-A
natural selection
lichens
leaf
46. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
natural selection
bryophytes
cytokinnin
endodermis
47. What organelle contains DNA?
heterozygous
evolution
nucleus
sister chromatids
48. Vascular and seed bearing
krebs cycle
both gymnosperms and angiosperms
lipids
heterozygous
49. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
telophase-I
mangrove
chlorophyll-A
fuzzy plant
50. 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
maternal sporophyte - gametophyte - daughter sporophyte
protein
effects of rising carbon dioxide
anther