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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 NOT a product of the krebs cycle?
versions of a gene
ADP
prokaryotes
-regulate water loss -regulate gas exchange -allow light to enter the leaf
2. What is the main function of the roots of a corn plant?
absorption of water
andom particle movement results in a net movement from high to low concentration
gymnosperms
endodermis
3. During which phase of mitosis do the sister chromatids separate?
anaphase
pathogens
chlorophyll-A
provide nutrients for a developing embryo
4. Transfer of DNA to RNA
sister chromatids
transcription
ethylene
zone of maturation
5. Under what circumstance would sexual reproduction be more successful than asexual reproduction?
absorption of water
hormones are produced in a part of a plant and act in another part.
a changing/heterogeneous environment
mRNA
6. What organelle was observable in the onion epidermis stained with iodine?
-water vapor -oxygen -carbon dioxide
nucleus
phytochrome
starch
7. What process involves the movement of water across a semi-permeable membrane?
osmosis
the water potential is higher in the potato than the sugar solution
provide nutrients for a developing embryo
pasteurization
8. How does DNA replication take place?
eukaryotes
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
versions of a gene
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
9. What is the primary function of collenchyma cells?
chlorophyll-A
structural support
welwichsia
seed
10. Change in gene frequency in a gene population over time.
mRNA
absorption of water
bryophytes
evolution
11. What part of a stem can a tree live without?
effects of rising carbon dioxide
seed
pathogens
heartwood
12. During which phase of meiosis do daughter cells become haploid?
xylem
prophase
electron transport chain
telophase-I
13. Info. carrying molecule - single stranded
bionary fission and asexually
RNA
storage
potato
14. Which commonly eaten food is an example of a stem?
RNA
NOT a sperm - microspore - or egg cell
potato
endodermis
15. Which substances pass through the open stomata of a leaf?
zone of maturation
provide nutrients for a developing embryo
-water vapor -oxygen -carbon dioxide
potato
16. 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.
anaphase
pitcher plant
tRNA
biome
17. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
cone
ghost plant
chlorophyll-A
starch
18. Three generations of gymnosperms
maternal sporophyte - gametophyte - daughter sporophyte
interrupt the dark period with several minutes of light
prokaryotes
structural support
19. Under what conditions would a plant utilize fermentation to obtain energy?
storage
both gymnosperms and angiosperms
electron transport chain
lack of available oxygen
20. What type of RNA has an anticodon?
ghost plant
tRNA
maternal sporophyte - gametophyte - daughter sporophyte
cyanobacteria - green algae - red algae
21. What cell undergoes meiosis?
pyruvate
NOT a sperm - microspore - or egg cell
storage
heartwood
22. What is a reactant in the photochemical reactions of photosynthesis?
water
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
interrupt the dark period with several minutes of light
palisade mesophyll
23. How are the vascular bundles of a dicot arranged in the stem?
lipids
cheese - yogurt - pharmaceuticals
radial arrangement
fuzzy plant
24. Heating up bacteria until it is harmless and cannot function.
pasteurization
anther
protein
nucleus
25. 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
pairs of chromosomes that each carry an allele for a given trait
ghost plant
artificial selection
26. What is the main function of the roots of a corn plant?
bryophytes
dehiscent
bocarnia
absorption of water
27. What is a final product of glycolysis?
iris diaphragm
absorption of water
DNA
pyruvate
28. What are beneficial products made from bacteria?
welwichsia
iris diaphragm
cheese - yogurt - pharmaceuticals
zone of maturation
29. Which class of organic macromolecule stores the greatest amount of potential energy?
lipids
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
cone
anther
30. Epiphytes - valemine breaks down compost in roots
orchids
seed
pyruvate
lipids
31. What are the major groups of algae?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
seed
cyanobacteria - green algae - red algae
ADP
32. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
cytokinnin
structural support
anther
pericycle
33. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
pericycle
accessory
natural selection
gymnosperms
34. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
krebs cycle -glycolysis
ferns
chlorophyll-A
pericycle
35. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
RNA
eukaryotes
bionary fission and asexually
fungi
36. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
prophase
40x
evolution
dehiscent
37. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
zone of maturation
cheese - yogurt - pharmaceuticals
sister chromatids
iris diaphragm
38. During which phase of meiosis do daughter cells become haploid?
-water vapor -oxygen -carbon dioxide
telophase-I
synthesis of proteins
fuzzy plant
39. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
resonance
lichens
xylem
seed
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.
anther
bryophytes
biome
pericycle
41. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
bryophytes
telophase-I
lumen
artificial selection
42. What contains the most potential energy?
nitrogenous base
chlorophyll-A
radial arrangement
starch
43. What is considered part of the protoplast?
-organelles -cytosol -nucleus
lichens
telophase-I
bud scale scars
44. Which part of aerobic respiration results in the production of CO2?
krebs cycle
artificial selection
pairs of chromosomes that each carry an allele for a given trait
lack of available oxygen
45. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
endodermis
-organelles -cytosol -nucleus
translation
active transport
46. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
bud scale scars
fuzzy plant
starch
pasteurization
47. What is NOT a structure found on a typical flowering plant?
effects of rising carbon dioxide
endodermis
DNA
cone
48. What type of fruit develops from a cluster of many simple flowers?
osmosis
multiple
starch
synthesis of proteins
49. During which phase of the cell cycle does DNA replication occur?
S-phase
multiple
interrupt the dark period with several minutes of light
interrupt the dark period with several minutes of light
50. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
storage
carbon dioxide
accessory