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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 plant tissue functions in conducting water from the roots to the leaves?
-water vapor -oxygen -carbon dioxide
nitrogenous base
andom particle movement results in a net movement from high to low concentration
xylem
2. 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.
abscistic acid
radial arrangement
-regulate water loss -regulate gas exchange -allow light to enter the leaf
pitcher plant
3. What hormone is most important in the ripening of fruits?
both gymnosperms and angiosperms
butcher's broom
ethylene
lipids
4. What are adenine - guanine - thymine - cytosine?
nitrogenous base
heartwood
transcription
krebs cycle
5. What would be a way of keeping a short-day plant from blooming?
heterozygous
welwichsia
interrupt the dark period with several minutes of light
palisade mesophyll
6. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
natural selection
dehiscent
storage
7. What is NOT a function of the vacuole?
synthesis of proteins
biome
ground tissue
nucleus
8. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
anther
provide nutrients for a developing embryo
lichens
9. What organelle was observable in the onion epidermis stained with iodine?
heterozygous
cyanobacteria - green algae - red algae
nucleus
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
10. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
pasteurization
gymnosperms
ethylene
lumen
11. Iodine can be used to test for what molecule - resulting in a blue-black color?
pyruvate
potato
ghost plant
starch
12. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
DNA
xylem
ferns
lichens
13. Transfer of DNA to RNA
structural support
transcription
osmosis
starch
14. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
40x
resonance
lumen
15. Heating up bacteria until it is harmless and cannot function.
pasteurization
andom particle movement results in a net movement from high to low concentration
chloroplasts
endodermis
16. What are the major groups of algae?
krebs cycle -glycolysis
lichens
ghost plant
cyanobacteria - green algae - red algae
17. 'Alleles' are best described as...
accessory
bud scale scars
ferns
versions of a gene
18. Which part of aerobic respiration results in the production of CO2?
both gymnosperms and angiosperms
butcher's broom
radial arrangement
krebs cycle
19. What pigment absorbs energy and can emit an electron in photosynthesis?
iris diaphragm
chlorophyll-A
translation
lumen
20. 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?
mRNA
nucleus
maternal sporophyte - gametophyte - daughter sporophyte
the water potential is higher in the potato than the sugar solution
21. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
protein
pasteurization
sister chromatids
22. Which part of aerobic respiration generates the most ATP?
electron transport chain
prophase
-organelles -cytosol -nucleus
bocarnia
23. During which phase of the cell cycle does DNA replication occur?
nucleus
eukaryotes
S-phase
leaf
24. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
-water vapor -oxygen -carbon dioxide
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
bocarnia
ADP
25. During which phase of mitosis do the sister chromatids separate?
anaphase
pyruvate
synthesis of proteins
ground tissue
26. Epiphytes - valemine breaks down compost in roots
vascular cambium
lipids
orchids
lichens
27. Change in gene frequency in a gene population over time.
evolution
RNA
lichens
prokaryotes
28. What is a product of the biochemical reactions of photosynthesis?
hormones are produced in a part of a plant and act in another part.
starch
natural selection
leaf
29. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
krebs cycle -glycolysis
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
natural selection
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
30. In what portion of a root might you find 'root hairs'?
zone of maturation
the water potential is higher in the potato than the sugar solution
lack of available oxygen
bryophytes
31. 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
krebs cycle -glycolysis
pericycle
lumen
32. In what part of a flower is pollen produced?
iris diaphragm
maternal sporophyte - gametophyte - daughter sporophyte
water
anther
33. What is the main function of the roots of a corn plant?
translation
absorption of water
structural support
heartwood
34. Transferring of the information from the DNA into the language of the mRNA.
storage
translation
bionary fission and asexually
starch
35. Three generations of gymnosperms
evolution
zone of maturation
maternal sporophyte - gametophyte - daughter sporophyte
gymnosperms
36. What are beneficial products made from bacteria?
transcription
the water potential is higher in the potato than the sugar solution
cheese - yogurt - pharmaceuticals
gymnosperms
37. What causes diffusion of gases to occur?
osmosis
andom particle movement results in a net movement from high to low concentration
cheese - yogurt - pharmaceuticals
2
38. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
ADP
vascular cambium
iris diaphragm
39. What is NOT a structure found on a typical flowering plant?
welwichsia
active transport
-water vapor -oxygen -carbon dioxide
cone
40. 'Alleles' are best described as...
versions of a gene
ethylene
osmosis
interrupt the dark period with several minutes of light
41. What structure is MOST important in generating root pressure?
S-phase
synthesis of proteins
structural support
endodermis
42. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
2
pyruvate
bocarnia
absorption of water
43. Epiphytes - valemine breaks down compost in roots
effects of rising carbon dioxide
orchids
seed
transcription
44. What hormone is most important in the ripening of fruits?
-water vapor -oxygen -carbon dioxide
ethylene
osmosis
transcription
45. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
transcription
mangrove
iris diaphragm
abscistic acid
46. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
interrupt the dark period with several minutes of light
eukaryotes
phytochrome
47. What is the primary function of collenchyma cells?
storage
pathogens
accessory
structural support
48. What is the function of the cortex in a root?
hormones are produced in a part of a plant and act in another part.
maternal sporophyte - gametophyte - daughter sporophyte
accessory
storage
49. What type of RNA has a codon?
anaphase
pairs of chromosomes that each carry an allele for a given trait
cyanobacteria - green algae - red algae
mRNA
50. What separates during meiosis-II
nitrogenous base
sister chromatids
cone
structural support