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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. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
natural selection
lumen
water
artificial selection
2. Epiphytes - valemine breaks down compost in roots
heartwood
anther
orchids
pyruvate
3. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
pasteurization
ground tissue
tRNA
heterozygous
4. During which phase of mitosis do the sister chromatids separate?
zone of maturation
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
evolution
anaphase
5. What are homologous chromosomes?
pyruvate
sister chromatids
pairs of chromosomes that each carry an allele for a given trait
storage
6. What are beneficial products made from bacteria?
2
tRNA
cheese - yogurt - pharmaceuticals
pericycle
7. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
lumen
heartwood
transcription
8. Three generations of gymnosperms
pairs of chromosomes that each carry an allele for a given trait
maternal sporophyte - gametophyte - daughter sporophyte
orchids
bryophytes
9. During which phase of mitosis does the nuclear envelope disappear?
2
provide nutrients for a developing embryo
S-phase
prophase
10. What separates during meiosis-II
gymnosperms
protein
sister chromatids
ethylene
11. 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.
40x
pyruvate
pitcher plant
pyruvate
12. What organelle contains DNA?
mangrove
nucleus
lack of available oxygen
leaf
13. Which part of aerobic respiration results in the production of CO2?
electron transport chain
krebs cycle
provide nutrients for a developing embryo
effects of rising carbon dioxide
14. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
ferns
iris diaphragm
artificial selection
ghost plant
15. 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
versions of a gene
effects of rising carbon dioxide
nucleus
lichens
16. What structure is MOST important in generating root pressure?
heterozygous
artificial selection
2
endodermis
17. What organelle do guard cells contain that other epidermal cells lack?
pasteurization
chloroplasts
hormones are produced in a part of a plant and act in another part.
-water vapor -oxygen -carbon dioxide
18. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
nucleus
hormones are produced in a part of a plant and act in another part.
lack of available oxygen
19. What is NOT a product of the krebs cycle?
ADP
gymnosperms
2
storage
20. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
bud scale scars
vascular cambium
-water vapor -oxygen -carbon dioxide
nitrogenous base
21. Which class of organic macromolecule stores the greatest amount of potential energy?
maternal sporophyte - gametophyte - daughter sporophyte
lipids
cytokinnin
chloroplasts
22. If an ovule is fertilized - what will it develop into?
seed
endodermis
synthesis of proteins
multiple
23. What is a reactant in the photochemical reactions of photosynthesis?
water
orchids
mangrove
protein
24. What best describes a dry fruit which opens at maturity?
bryophytes
fuzzy plant
dehiscent
maternal sporophyte - gametophyte - daughter sporophyte
25. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
mangrove
ethylene
ground tissue
pericycle
26. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
starch
storage
polar nuclei
2
27. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
anther
electron transport chain
evolution
lumen
28. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
radial arrangement
mangrove
chloroplasts
29. Have a cell wall - no membrane - and no nucleus
prokaryotes
dehiscent
iris diaphragm
starch
30. Where in a plant is the water potential lowest?
-organelles -cytosol -nucleus
hormones are produced in a part of a plant and act in another part.
krebs cycle
leaf
31. Info. carrying molecule - single stranded
artificial selection
radial arrangement
versions of a gene
RNA
32. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
-regulate water loss -regulate gas exchange -allow light to enter the leaf
fuzzy plant
versions of a gene
orchids
33. How does DNA replication take place?
interrupt the dark period with several minutes of light
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
orchids
translation
34. What plant tissue functions in conducting water from the roots to the leaves?
synthesis of proteins
xylem
chlorophyll-A
evolution
35. What organelle contains DNA?
translation
nucleus
protein
sister chromatids
36. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
xylem
biome
effects of rising carbon dioxide
active transport
37. How do bacteria reproduce?
heartwood
dehiscent
bionary fission and asexually
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
38. Have a cell wall - no membrane - and no nucleus
prokaryotes
sister chromatids
interrupt the dark period with several minutes of light
water
39. What are homologous chromosomes?
synthesis of proteins
ghost plant
pairs of chromosomes that each carry an allele for a given trait
cone
40. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
S-phase
abscistic acid
lichens
zone of maturation
41. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
DNA
bud scale scars
cytokinnin
lack of available oxygen
42. Change in gene frequency in a gene population over time.
ferns
evolution
tRNA
butcher's broom
43. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
ground tissue
ethylene
bocarnia
transcription
44. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
pericycle
bocarnia
ethylene
45. Heating up bacteria until it is harmless and cannot function.
ground tissue
effects of rising carbon dioxide
pasteurization
pathogens
46. What causes diffusion of gases to occur?
andom particle movement results in a net movement from high to low concentration
endodermis
fuzzy plant
NOT a sperm - microspore - or egg cell
47. What is considered part of the protoplast?
nucleus
absorption of water
-organelles -cytosol -nucleus
active transport
48. Under what conditions would a plant utilize fermentation to obtain energy?
lumen
nucleus
lack of available oxygen
bryophytes
49. Transferring of the information from the DNA into the language of the mRNA.
abscistic acid
translation
tRNA
orchids
50. What is a product of the biochemical reactions of photosynthesis?
-organelles -cytosol -nucleus
structural support
starch
protein