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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. In what portion of a root might you find 'root hairs'?
40x
gymnosperms
zone of maturation
RNA
2. Have a nucleus - and a cell membrane
transcription
heartwood
eukaryotes
xylem
3. Transferring of the information from the DNA into the language of the mRNA.
water
lichens
translation
pathogens
4. What contains the most potential energy?
starch
ethylene
telophase-I
krebs cycle -glycolysis
5. 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
fungi
gymnosperms
dehiscent
6. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
ghost plant
mangrove
telophase-I
S-phase
7. In what portion of a root might you find 'root hairs'?
tRNA
zone of maturation
prophase
polar nuclei
8. What best describes a dry fruit which opens at maturity?
zone of maturation
artificial selection
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
dehiscent
9. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
evolution
krebs cycle -glycolysis
leaf
RNA
10. How does DNA replication take place?
phytochrome
pericycle
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
cytokinnin
11. What pigment is responsible for plants sensing day length?
phytochrome
protein
pitcher plant
carbon dioxide
12. 'Alleles' are best described as...
lack of available oxygen
heartwood
versions of a gene
resonance
13. Which class of organic macromolecule stores the greatest amount of potential energy?
ADP
lipids
cheese - yogurt - pharmaceuticals
S-phase
14. What separates during meiosis-II
sister chromatids
bud scale scars
effects of rising carbon dioxide
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
15. Have a cell wall - no membrane - and no nucleus
prokaryotes
anther
both gymnosperms and angiosperms
RNA
16. 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.
mangrove
welwichsia
interrupt the dark period with several minutes of light
starch
17. In what part of a flower is pollen produced?
dehiscent
anther
lack of available oxygen
bud scale scars
18. Which part of aerobic respiration results in the production of CO2?
krebs cycle
krebs cycle -glycolysis
palisade mesophyll
40x
19. A plant that carries two different versions of a gene for a single trait is...
maternal sporophyte - gametophyte - daughter sporophyte
potato
heterozygous
leaf
20. 'Alleles' are best described as...
versions of a gene
leaf
pairs of chromosomes that each carry an allele for a given trait
starch
21. 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.
NOT a sperm - microspore - or egg cell
heartwood
welwichsia
xylem
22. What are beneficial products made from bacteria?
fungi
-water vapor -oxygen -carbon dioxide
cheese - yogurt - pharmaceuticals
carbon dioxide
23. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
starch
abscistic acid
lichens
butcher's broom
24. What type of RNA has an anticodon?
starch
-water vapor -oxygen -carbon dioxide
orchids
tRNA
25. What organelle was observable in the onion epidermis stained with iodine?
nucleus
andom particle movement results in a net movement from high to low concentration
NOT a sperm - microspore - or egg cell
multiple
26. During which phase of meiosis do daughter cells become haploid?
multiple
mRNA
telophase-I
versions of a gene
27. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
iris diaphragm
cyanobacteria - green algae - red algae
carbon dioxide
28. What process involves the movement of water across a semi-permeable membrane?
butcher's broom
lichens
osmosis
pasteurization
29. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
heterozygous
pathogens
fungi
iris diaphragm
30. What is a product of the biochemical reactions of photosynthesis?
anaphase
ground tissue
starch
transcription
31. How is algae different from 'true' plants?
DNA
S-phase
iris diaphragm
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
32. What is the main function of the roots of a corn plant?
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
absorption of water
40x
33. 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.
ferns
bryophytes
pasteurization
gymnosperms
34. Have a cell wall - no membrane - and no nucleus
nucleus
-regulate water loss -regulate gas exchange -allow light to enter the leaf
prokaryotes
structural support
35. 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.
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
pitcher plant
tRNA
NOT a sperm - microspore - or egg cell
36. Which class of organic macromolecule stores the greatest amount of potential energy?
carbon dioxide
lipids
effects of rising carbon dioxide
lumen
37. What organelle was observable in the onion epidermis stained with iodine?
osmosis
NOT a sperm - microspore - or egg cell
nucleus
protein
38. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
seed
bocarnia
structural support
heartwood
39. How are the vascular bundles of a dicot arranged in the stem?
cytokinnin
radial arrangement
a changing/heterogeneous environment
DNA
40. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
phytochrome
pitcher plant
bionary fission and asexually
lumen
41. During which phase of the cell cycle does DNA replication occur?
S-phase
nucleus
evolution
chlorophyll-A
42. What is a product of the biochemical reactions of photosynthesis?
starch
absorption of water
lichens
storage
43. Where in a dicot leaf does the majority of photosynthesis occur?
multiple
palisade mesophyll
-regulate water loss -regulate gas exchange -allow light to enter the leaf
provide nutrients for a developing embryo
44. What is the function of the cortex in a root?
fuzzy plant
orchids
lumen
storage
45. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
fuzzy plant
krebs cycle -glycolysis
krebs cycle -glycolysis
accessory
46. Which substances pass through the open stomata of a leaf?
potato
water
osmosis
-water vapor -oxygen -carbon dioxide
47. What contains the most potential energy?
nucleus
interrupt the dark period with several minutes of light
prokaryotes
starch
48. What is the role of endosperm?
ADP
abscistic acid
provide nutrients for a developing embryo
iris diaphragm
49. What are homologous chromosomes?
pairs of chromosomes that each carry an allele for a given trait
versions of a gene
prophase
water
50. Iodine can be used to test for what molecule - resulting in a blue-black color?
starch
iris diaphragm
endodermis
-organelles -cytosol -nucleus