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. What is the main function of the roots of a corn plant?
-organelles -cytosol -nucleus
zone of maturation
absorption of water
radial arrangement
2. What organelle contains DNA?
effects of rising carbon dioxide
lipids
nucleus
heterozygous
3. What type of fruit develops from a cluster of many simple flowers?
multiple
seed
sister chromatids
seed
4. What is NOT a product of the krebs cycle?
pairs of chromosomes that each carry an allele for a given trait
maternal sporophyte - gametophyte - daughter sporophyte
ADP
S-phase
5. What pigment is responsible for plants sensing day length?
water
phytochrome
RNA
natural selection
6. Under what conditions would a plant utilize fermentation to obtain energy?
bocarnia
chlorophyll-A
bud scale scars
lack of available oxygen
7. What pigment absorbs energy and can emit an electron in photosynthesis?
starch
resonance
ghost plant
chlorophyll-A
8. What is a reactant in the photochemical reactions of photosynthesis?
bionary fission and asexually
bud scale scars
iris diaphragm
water
9. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
polar nuclei
a changing/heterogeneous environment
NOT a sperm - microspore - or egg cell
potato
10. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
pairs of chromosomes that each carry an allele for a given trait
RNA
11. What best describes a dry fruit which opens at maturity?
40x
dehiscent
protein
welwichsia
12. What is NOT a product of the krebs cycle?
ADP
maternal sporophyte - gametophyte - daughter sporophyte
electron transport chain
butcher's broom
13. Enzymes are an example of what type of molecule?
synthesis of proteins
protein
andom particle movement results in a net movement from high to low concentration
pitcher plant
14. What is the function of the cortex in a root?
-water vapor -oxygen -carbon dioxide
storage
chlorophyll-A
palisade mesophyll
15. What are homologous chromosomes?
starch
starch
prokaryotes
pairs of chromosomes that each carry an allele for a given trait
16. What would be a way of keeping a short-day plant from blooming?
heterozygous
starch
interrupt the dark period with several minutes of light
natural selection
17. Which part of aerobic respiration results in the production of CO2?
mangrove
effects of rising carbon dioxide
krebs cycle
interrupt the dark period with several minutes of light
18. 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
nucleus
natural selection
krebs cycle
19. A gymnosperm - lives in the desert for up to 3000 years - only grows 2 leaves - 5 feet across - they receive 1 inch of lower of rainfall per year - roots can grow under the soil at least a mile.
transcription
lichens
welwichsia
both gymnosperms and angiosperms
20. What type of RNA has a codon?
heterozygous
mRNA
osmosis
-organelles -cytosol -nucleus
21. What plant tissue functions in conducting water from the roots to the leaves?
resonance
xylem
S-phase
-regulate water loss -regulate gas exchange -allow light to enter the leaf
22. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
structural support
seed
a changing/heterogeneous environment
seed
23. Which part of aerobic respiration generates the most ATP?
DNA
electron transport chain
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
versions of a gene
24. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
transcription
fuzzy plant
bocarnia
25. You can determine the age of a woody branch by counting these
leaf
pairs of chromosomes that each carry an allele for a given trait
bud scale scars
krebs cycle
26. What hormone is most important in the ripening of fruits?
ethylene
sister chromatids
electron transport chain
xylem
27. Three generations of gymnosperms
pathogens
maternal sporophyte - gametophyte - daughter sporophyte
potato
lumen
28. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
cheese - yogurt - pharmaceuticals
NOT a sperm - microspore - or egg cell
telophase-I
artificial selection
29. Where in a plant is the water potential lowest?
storage
accessory
fungi
leaf
30. What is a product of the biochemical reactions of photosynthesis?
prophase
lack of available oxygen
starch
-organelles -cytosol -nucleus
31. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
krebs cycle
structural support
ferns
zone of maturation
32. What organelle do guard cells contain that other epidermal cells lack?
cone
prokaryotes
endodermis
chloroplasts
33. What is NOT a function of the vacuole?
synthesis of proteins
protein
ethylene
transcription
34. Which commonly eaten food is an example of a stem?
-regulate water loss -regulate gas exchange -allow light to enter the leaf
storage
starch
potato
35. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
S-phase
carbon dioxide
anaphase
36. What separates during meiosis-II
evolution
sister chromatids
nitrogenous base
pairs of chromosomes that each carry an allele for a given trait
37. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
heartwood
starch
accessory
natural selection
38. What plant tissue functions in conducting water from the roots to the leaves?
xylem
fuzzy plant
andom particle movement results in a net movement from high to low concentration
maternal sporophyte - gametophyte - daughter sporophyte
39. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
pitcher plant
resonance
biome
osmosis
40. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
mRNA
lipids
abscistic acid
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
41. Iodine can be used to test for what molecule - resulting in a blue-black color?
cytokinnin
water
starch
transcription
42. What is a final product of glycolysis?
interrupt the dark period with several minutes of light
pyruvate
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
-regulate water loss -regulate gas exchange -allow light to enter the leaf
43. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
palisade mesophyll
fungi
translation
evolution
44. What is the primary function of collenchyma cells?
starch
natural selection
hormones are produced in a part of a plant and act in another part.
structural support
45. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
cheese - yogurt - pharmaceuticals
pairs of chromosomes that each carry an allele for a given trait
polar nuclei
46. Which part of aerobic respiration results in the production of CO2?
evolution
krebs cycle
pericycle
40x
47. What is the role of endosperm?
pairs of chromosomes that each carry an allele for a given trait
provide nutrients for a developing embryo
starch
nucleus
48. What contains the most potential energy?
nucleus
krebs cycle
a changing/heterogeneous environment
starch
49. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
zone of maturation
evolution
artificial selection
ghost plant
50. During which phase of mitosis does the nuclear envelope disappear?
prophase
pairs of chromosomes that each carry an allele for a given trait
DNA
fungi