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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 is a product of the biochemical reactions of photosynthesis?
pairs of chromosomes that each carry an allele for a given trait
seed
starch
heterozygous
2. What tissue can be found in a root but not in a stem?
telophase-I
carbon dioxide
pericycle
butcher's broom
3. What cell undergoes meiosis?
biome
lipids
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
NOT a sperm - microspore - or egg cell
4. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
eukaryotes
welwichsia
biome
5. During which phase of mitosis do the sister chromatids separate?
anaphase
pathogens
seed
maternal sporophyte - gametophyte - daughter sporophyte
6. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
nitrogenous base
bocarnia
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
andom particle movement results in a net movement from high to low concentration
7. What are beneficial products made from bacteria?
bionary fission and asexually
osmosis
lack of available oxygen
cheese - yogurt - pharmaceuticals
8. Which part of aerobic respiration generates the most ATP?
transcription
active transport
cytokinnin
electron transport chain
9. Change in gene frequency in a gene population over time.
DNA
anther
evolution
polar nuclei
10. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
sister chromatids
vascular cambium
artificial selection
lack of available oxygen
11. Vascular and seed bearing
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
prophase
water
both gymnosperms and angiosperms
12. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
lichens
carbon dioxide
maternal sporophyte - gametophyte - daughter sporophyte
starch
13. Which class of organic macromolecule stores the greatest amount of potential energy?
starch
lipids
ADP
structural support
14. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
structural support
fuzzy plant
radial arrangement
RNA
15. What organelle do guard cells contain that other epidermal cells lack?
andom particle movement results in a net movement from high to low concentration
cheese - yogurt - pharmaceuticals
carbon dioxide
chloroplasts
16. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
telophase-I
pericycle
osmosis
mangrove
17. How many sperm cells does each pollen grain typically carry?
anther
2
nucleus
storage
18. How many sperm cells does each pollen grain typically carry?
lumen
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
40x
2
19. What is a reactant in the photochemical reactions of photosynthesis?
mangrove
potato
cytokinnin
water
20. Heating up bacteria until it is harmless and cannot function.
pasteurization
hormones are produced in a part of a plant and act in another part.
starch
accessory
21. What pigment absorbs energy and can emit an electron in photosynthesis?
2
bionary fission and asexually
palisade mesophyll
chlorophyll-A
22. Enzymes are an example of what type of molecule?
protein
electron transport chain
starch
lichens
23. What best describes a dry fruit which opens at maturity?
cytokinnin
nucleus
dehiscent
artificial selection
24. Where in a dicot leaf does the majority of photosynthesis occur?
lipids
xylem
andom particle movement results in a net movement from high to low concentration
palisade mesophyll
25. During which phase of the cell cycle does DNA replication occur?
the water potential is higher in the potato than the sugar solution
NOT a sperm - microspore - or egg cell
S-phase
chloroplasts
26. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
butcher's broom
absorption of water
lumen
prokaryotes
27. What process involves the movement of water across a semi-permeable membrane?
pitcher plant
nitrogenous base
osmosis
ethylene
28. What type of RNA has a codon?
protein
mRNA
cone
bud scale scars
29. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
bud scale scars
lumen
resonance
fuzzy plant
30. What is NOT a product of the krebs cycle?
-water vapor -oxygen -carbon dioxide
water
ADP
heterozygous
31. What is considered part of the protoplast?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
natural selection
-organelles -cytosol -nucleus
fungi
32. Have a nucleus - and a cell membrane
eukaryotes
dehiscent
-regulate water loss -regulate gas exchange -allow light to enter the leaf
gymnosperms
33. What type of RNA has a codon?
zone of maturation
mRNA
absorption of water
chlorophyll-A
34. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
sister chromatids
maternal sporophyte - gametophyte - daughter sporophyte
ground tissue
hormones are produced in a part of a plant and act in another part.
35. What is NOT a structure found on a typical flowering plant?
S-phase
heartwood
potato
cone
36. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
water
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
mRNA
iris diaphragm
37. What hormone is most important in the ripening of fruits?
polar nuclei
ethylene
cheese - yogurt - pharmaceuticals
welwichsia
38. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
pyruvate
radial arrangement
orchids
39. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
fungi
krebs cycle -glycolysis
fuzzy plant
bud scale scars
40. During which phase of meiosis do daughter cells become haploid?
mangrove
telophase-I
bionary fission and asexually
ghost plant
41. Where in a dicot leaf does the majority of photosynthesis occur?
effects of rising carbon dioxide
S-phase
orchids
palisade mesophyll
42. What are adenine - guanine - thymine - cytosine?
starch
nitrogenous base
provide nutrients for a developing embryo
abscistic acid
43. 'Alleles' are best described as...
chlorophyll-A
artificial selection
versions of a gene
-water vapor -oxygen -carbon dioxide
44. 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
krebs cycle -glycolysis
effects of rising carbon dioxide
RNA
40x
45. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
fuzzy plant
nucleus
accessory
the water potential is higher in the potato than the sugar solution
46. What type of RNA has an anticodon?
tRNA
protein
bryophytes
vascular cambium
47. What separates during meiosis-II
fuzzy plant
andom particle movement results in a net movement from high to low concentration
lichens
sister chromatids
48. During which phase of mitosis does the nuclear envelope disappear?
prophase
natural selection
the water potential is higher in the potato than the sugar solution
2
49. If an ovule is fertilized - what will it develop into?
seed
a changing/heterogeneous environment
accessory
tRNA
50. Info. carrying molecule - single stranded
RNA
polar nuclei
nucleus
a changing/heterogeneous environment