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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. If an ovule is fertilized - what will it develop into?
tRNA
protein
NOT a sperm - microspore - or egg cell
seed
2. What BEST describes plant hormones?
bud scale scars
radial arrangement
hormones are produced in a part of a plant and act in another part.
pairs of chromosomes that each carry an allele for a given trait
3. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
starch
ghost plant
nitrogenous base
artificial selection
4. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
40x
bocarnia
multiple
accessory
5. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
cyanobacteria - green algae - red algae
anaphase
S-phase
artificial selection
6. Three generations of gymnosperms
phytochrome
maternal sporophyte - gametophyte - daughter sporophyte
endodermis
fuzzy plant
7. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
ghost plant
mRNA
endodermis
both gymnosperms and angiosperms
8. 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
krebs cycle
maternal sporophyte - gametophyte - daughter sporophyte
RNA
9. What is a function of the epidermis?
a changing/heterogeneous environment
-regulate water loss -regulate gas exchange -allow light to enter the leaf
welwichsia
prophase
10. A tissue in Which mitosis takes place - giving rise to the secondary xylem.
xylem
interrupt the dark period with several minutes of light
vascular cambium
cyanobacteria - green algae - red algae
11. In what portion of a root might you find 'root hairs'?
zone of maturation
anther
starch
welwichsia
12. Enzymes are an example of what type of molecule?
sister chromatids
protein
ground tissue
a changing/heterogeneous environment
13. What cell undergoes meiosis?
cytokinnin
osmosis
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
NOT a sperm - microspore - or egg cell
14. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
abscistic acid
bionary fission and asexually
natural selection
krebs cycle
15. What tissue can be found in a root but not in a stem?
pyruvate
ethylene
pericycle
chloroplasts
16. What is a final product of glycolysis?
pyruvate
DNA
lack of available oxygen
starch
17. During which phase of mitosis does the nuclear envelope disappear?
butcher's broom
-water vapor -oxygen -carbon dioxide
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
prophase
18. During which phase of meiosis do daughter cells become haploid?
anther
telophase-I
biome
ADP
19. Where in a dicot leaf does the majority of photosynthesis occur?
nitrogenous base
carbon dioxide
andom particle movement results in a net movement from high to low concentration
palisade mesophyll
20. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes
storage
lipids
nucleus
DNA
21. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
abscistic acid
2
maternal sporophyte - gametophyte - daughter sporophyte
cytokinnin
22. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
eukaryotes
resonance
fungi
23. What cell undergoes meiosis?
NOT a sperm - microspore - or egg cell
heterozygous
ethylene
translation
24. 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?
structural support
the water potential is higher in the potato than the sugar solution
40x
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
25. What organelle do guard cells contain that other epidermal cells lack?
osmosis
bionary fission and asexually
lack of available oxygen
chloroplasts
26. How are the vascular bundles of a dicot arranged in the stem?
radial arrangement
pyruvate
provide nutrients for a developing embryo
mangrove
27. What organelle was observable in the onion epidermis stained with iodine?
nucleus
sister chromatids
polar nuclei
tRNA
28. What is the primary function of collenchyma cells?
cyanobacteria - green algae - red algae
structural support
prokaryotes
heartwood
29. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
anaphase
starch
mRNA
resonance
30. What part of a stem can a tree live without?
bud scale scars
prophase
osmosis
heartwood
31. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
lumen
bocarnia
-regulate water loss -regulate gas exchange -allow light to enter the leaf
ethylene
32. How do bacteria reproduce?
protein
S-phase
anaphase
bionary fission and asexually
33. What plant tissue functions in conducting water from the roots to the leaves?
ghost plant
zone of maturation
pyruvate
xylem
34. What type of RNA has a codon?
mRNA
bionary fission and asexually
orchids
structural support
35. What pigment is responsible for plants sensing day length?
krebs cycle -glycolysis
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
phytochrome
cone
36. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
protein
bocarnia
accessory
bryophytes
37. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
lumen
effects of rising carbon dioxide
maternal sporophyte - gametophyte - daughter sporophyte
hormones are produced in a part of a plant and act in another part.
38. How do bacteria reproduce?
polar nuclei
bionary fission and asexually
bocarnia
seed
39. During which phase of mitosis does the nuclear envelope disappear?
2
prophase
lichens
heartwood
40. What is the main function of the roots of a corn plant?
telophase-I
ground tissue
-water vapor -oxygen -carbon dioxide
absorption of water
41. Vascular and seed bearing
synthesis of proteins
bocarnia
telophase-I
both gymnosperms and angiosperms
42. What is NOT a function of the vacuole?
ADP
synthesis of proteins
ferns
telophase-I
43. What is the role of endosperm?
cyanobacteria - green algae - red algae
cytokinnin
provide nutrients for a developing embryo
both gymnosperms and angiosperms
44. Transfer of DNA to RNA
ADP
transcription
palisade mesophyll
heartwood
45. What is the function of the cortex in a root?
krebs cycle -glycolysis
ADP
fuzzy plant
storage
46. What structure is MOST important in generating root pressure?
endodermis
hormones are produced in a part of a plant and act in another part.
ADP
radial arrangement
47. What is the role of endosperm?
ferns
maternal sporophyte - gametophyte - daughter sporophyte
provide nutrients for a developing embryo
eukaryotes
48. Epiphytes - valemine breaks down compost in roots
absorption of water
multiple
telophase-I
orchids
49. If an ovule is fertilized - what will it develop into?
anther
heterozygous
transcription
seed
50. 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.
synthesis of proteins
-organelles -cytosol -nucleus
pitcher plant
osmosis