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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 process involves the movement of water across a semi-permeable membrane?
osmosis
versions of a gene
chloroplasts
2
2. How does DNA replication take place?
andom particle movement results in a net movement from high to low concentration
prokaryotes
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
telophase-I
3. During which phase of meiosis do daughter cells become haploid?
potato
osmosis
interrupt the dark period with several minutes of light
telophase-I
4. Enzymes are an example of what type of molecule?
cyanobacteria - green algae - red algae
dehiscent
nitrogenous base
protein
5. What type of RNA has an anticodon?
prokaryotes
natural selection
water
tRNA
6. What is NOT a function of the vacuole?
synthesis of proteins
-regulate water loss -regulate gas exchange -allow light to enter the leaf
active transport
nucleus
7. 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
hormones are produced in a part of a plant and act in another part.
provide nutrients for a developing embryo
effects of rising carbon dioxide
carbon dioxide
8. What part of a stem can a tree live without?
pairs of chromosomes that each carry an allele for a given trait
40x
heartwood
vascular cambium
9. How does DNA replication take place?
water
pasteurization
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
bionary fission and asexually
10. 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
gymnosperms
-regulate water loss -regulate gas exchange -allow light to enter the leaf
krebs cycle
40x
11. Where in a plant is the water potential lowest?
telophase-I
NOT a sperm - microspore - or egg cell
leaf
iris diaphragm
12. 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.
mRNA
chloroplasts
bryophytes
xylem
13. Heating up bacteria until it is harmless and cannot function.
pasteurization
eukaryotes
krebs cycle -glycolysis
artificial selection
14. If an ovule is fertilized - what will it develop into?
nitrogenous base
seed
NOT a sperm - microspore - or egg cell
carbon dioxide
15. 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.
orchids
carbon dioxide
welwichsia
seed
16. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
heterozygous
potato
ADP
17. What BEST describes plant hormones?
S-phase
effects of rising carbon dioxide
protein
hormones are produced in a part of a plant and act in another part.
18. What tissue can be found in a root but not in a stem?
xylem
mangrove
heterozygous
pericycle
19. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
absorption of water
lichens
cytokinnin
pasteurization
20. What tissue can be found in a root but not in a stem?
protein
-regulate water loss -regulate gas exchange -allow light to enter the leaf
pericycle
tRNA
21. What best describes a dry fruit which opens at maturity?
S-phase
fungi
dehiscent
effects of rising carbon dioxide
22. How is algae different from 'true' plants?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
phytochrome
artificial selection
starch
23. What is the role of endosperm?
2
fuzzy plant
provide nutrients for a developing embryo
40x
24. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
accessory
absorption of water
lumen
-water vapor -oxygen -carbon dioxide
25. During which phase of the cell cycle does DNA replication occur?
mangrove
S-phase
absorption of water
nitrogenous base
26. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
starch
lipids
polar nuclei
starch
27. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
resonance
palisade mesophyll
ghost plant
krebs cycle -glycolysis
28. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
mangrove
krebs cycle -glycolysis
nucleus
pitcher plant
29. What is a reactant in the photochemical reactions of photosynthesis?
ethylene
lumen
chloroplasts
water
30. What is a final product of glycolysis?
orchids
fungi
maternal sporophyte - gametophyte - daughter sporophyte
pyruvate
31. What pigment is responsible for plants sensing day length?
pathogens
lack of available oxygen
phytochrome
NOT a sperm - microspore - or egg cell
32. What is the function of the cortex in a root?
storage
ground tissue
-organelles -cytosol -nucleus
mRNA
33. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
chloroplasts
osmosis
fungi
protein
34. What causes diffusion of gases to occur?
cone
andom particle movement results in a net movement from high to low concentration
water
provide nutrients for a developing embryo
35. Transferring of the information from the DNA into the language of the mRNA.
translation
pairs of chromosomes that each carry an allele for a given trait
sister chromatids
cytokinnin
36. In what part of a flower is pollen produced?
versions of a gene
RNA
synthesis of proteins
anther
37. What separates during meiosis-II
butcher's broom
protein
pasteurization
sister chromatids
38. Transfer of DNA to RNA
transcription
lichens
-organelles -cytosol -nucleus
bud scale scars
39. What contains the most potential energy?
starch
interrupt the dark period with several minutes of light
ground tissue
bryophytes
40. What BEST describes plant hormones?
interrupt the dark period with several minutes of light
hormones are produced in a part of a plant and act in another part.
active transport
DNA
41. 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
pathogens
resonance
protein
42. What organelle was observable in the onion epidermis stained with iodine?
welwichsia
anther
nucleus
krebs cycle
43. How are the vascular bundles of a dicot arranged in the stem?
radial arrangement
eukaryotes
hormones are produced in a part of a plant and act in another part.
bionary fission and asexually
44. Iodine can be used to test for what molecule - resulting in a blue-black color?
fungi
starch
protein
heartwood
45. What is a final product of glycolysis?
pyruvate
ferns
prokaryotes
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
46. In what portion of a root might you find 'root hairs'?
butcher's broom
translation
zone of maturation
fuzzy plant
47. What is the main function of the roots of a corn plant?
absorption of water
bud scale scars
pericycle
NOT a sperm - microspore - or egg cell
48. What best describes a dry fruit which opens at maturity?
sister chromatids
dehiscent
fuzzy plant
zone of maturation
49. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
maternal sporophyte - gametophyte - daughter sporophyte
gymnosperms
storage
a changing/heterogeneous environment
50. What type of fruit develops from a cluster of many simple flowers?
prokaryotes
multiple
storage
pasteurization