SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Under what conditions would a plant utilize fermentation to obtain energy?
seed
lack of available oxygen
biome
ground tissue
2. Epiphytes - valemine breaks down compost in roots
both gymnosperms and angiosperms
starch
pasteurization
orchids
3. What are harmful effects of bacteria?
anaphase
pathogens
tRNA
evolution
4. How do bacteria reproduce?
xylem
a changing/heterogeneous environment
bionary fission and asexually
sister chromatids
5. What part of a stem can a tree live without?
heartwood
phytochrome
translation
pathogens
6. Which part of aerobic respiration results in the production of CO2?
krebs cycle
artificial selection
lack of available oxygen
protein
7. What hormone is most important in the ripening of fruits?
ethylene
osmosis
electron transport chain
xylem
8. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
-regulate water loss -regulate gas exchange -allow light to enter the leaf
S-phase
resonance
artificial selection
9. What are the major groups of algae?
cyanobacteria - green algae - red algae
synthesis of proteins
eukaryotes
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
10. Epiphytes - valemine breaks down compost in roots
pericycle
orchids
radial arrangement
potato
11. What tissue can be found in a root but not in a stem?
pericycle
tRNA
maternal sporophyte - gametophyte - daughter sporophyte
dehiscent
12. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
ethylene
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
versions of a gene
13. What tissue can be found in a root but not in a stem?
artificial selection
pericycle
interrupt the dark period with several minutes of light
starch
14. Iodine can be used to test for what molecule - resulting in a blue-black color?
nucleus
evolution
starch
cytokinnin
15. What organelle was observable in the onion epidermis stained with iodine?
structural support
fuzzy plant
nucleus
biome
16. What are beneficial products made from bacteria?
cheese - yogurt - pharmaceuticals
synthesis of proteins
endodermis
a changing/heterogeneous environment
17. What process involves the movement of water across a semi-permeable membrane?
osmosis
-organelles -cytosol -nucleus
ferns
mRNA
18. What cell undergoes meiosis?
nitrogenous base
ADP
bud scale scars
NOT a sperm - microspore - or egg cell
19. 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?
the water potential is higher in the potato than the sugar solution
versions of a gene
lichens
iris diaphragm
20. What is a final product of glycolysis?
pyruvate
iris diaphragm
eukaryotes
starch
21. During which phase of the cell cycle does DNA replication occur?
S-phase
radial arrangement
prophase
seed
22. What separates during meiosis-II
mangrove
sister chromatids
40x
krebs cycle
23. During which phase of mitosis do the sister chromatids separate?
synthesis of proteins
water
anaphase
absorption of water
24. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
NOT a sperm - microspore - or egg cell
andom particle movement results in a net movement from high to low concentration
xylem
lichens
25. What are harmful effects of bacteria?
active transport
a changing/heterogeneous environment
storage
pathogens
26. A plant that carries two different versions of a gene for a single trait is...
pericycle
heterozygous
krebs cycle
pathogens
27. What is the function of the cortex in a root?
starch
gymnosperms
versions of a gene
storage
28. What is a function of the epidermis?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
biome
pathogens
-organelles -cytosol -nucleus
29. What are adenine - guanine - thymine - cytosine?
40x
nitrogenous base
evolution
RNA
30. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
active transport
bryophytes
lumen
pathogens
31. What is a final product of glycolysis?
pyruvate
vascular cambium
effects of rising carbon dioxide
nucleus
32. 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
cone
absorption of water
radial arrangement
gymnosperms
33. What are the major groups of algae?
pairs of chromosomes that each carry an allele for a given trait
leaf
S-phase
cyanobacteria - green algae - red algae
34. How many sperm cells does each pollen grain typically carry?
2
versions of a gene
andom particle movement results in a net movement from high to low concentration
pairs of chromosomes that each carry an allele for a given trait
35. What is NOT a structure found on a typical flowering plant?
andom particle movement results in a net movement from high to low concentration
orchids
cone
radial arrangement
36. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
absorption of water
2
biome
polar nuclei
37. What are homologous chromosomes?
-organelles -cytosol -nucleus
bud scale scars
ferns
pairs of chromosomes that each carry an allele for a given trait
38. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
cyanobacteria - green algae - red algae
zone of maturation
the water potential is higher in the potato than the sugar solution
krebs cycle -glycolysis
39. Vascular and seed bearing
endodermis
both gymnosperms and angiosperms
prokaryotes
leaf
40. 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.
cyanobacteria - green algae - red algae
2
bryophytes
multiple
41. During which phase of the cell cycle does DNA replication occur?
sister chromatids
seed
S-phase
provide nutrients for a developing embryo
42. What type of RNA has an anticodon?
heterozygous
tRNA
accessory
resonance
43. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
orchids
biome
vascular cambium
DNA
44. Which commonly eaten food is an example of a stem?
a changing/heterogeneous environment
-organelles -cytosol -nucleus
potato
xylem
45. What is NOT a function of the vacuole?
synthesis of proteins
pitcher plant
phytochrome
lichens
46. What type of RNA has a codon?
phytochrome
fungi
chlorophyll-A
mRNA
47. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
2
pitcher plant
structural support
48. 'Alleles' are best described as...
zone of maturation
dehiscent
heterozygous
versions of a gene
49. During which phase of mitosis does the nuclear envelope disappear?
pairs of chromosomes that each carry an allele for a given trait
natural selection
prophase
telophase-I
50. Which substances pass through the open stomata of a leaf?
carbon dioxide
-water vapor -oxygen -carbon dioxide
effects of rising carbon dioxide
fuzzy plant