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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 double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
sister chromatids
polar nuclei
ADP
NOT a sperm - microspore - or egg cell
2. What process involves the movement of water across a semi-permeable membrane?
mangrove
synthesis of proteins
osmosis
storage
3. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
active transport
vascular cambium
versions of a gene
seed
4. What organelle was observable in the onion epidermis stained with iodine?
versions of a gene
resonance
nucleus
osmosis
5. What pigment absorbs energy and can emit an electron in photosynthesis?
structural support
welwichsia
DNA
chlorophyll-A
6. In what part of a flower is pollen produced?
a changing/heterogeneous environment
pitcher plant
anther
xylem
7. Under what conditions would a plant utilize fermentation to obtain energy?
lack of available oxygen
pathogens
accessory
pitcher plant
8. What are beneficial products made from bacteria?
krebs cycle -glycolysis
radial arrangement
cheese - yogurt - pharmaceuticals
electron transport chain
9. 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
nucleus
mRNA
anther
10. What structure is MOST important in generating root pressure?
andom particle movement results in a net movement from high to low concentration
biome
lichens
endodermis
11. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
lumen
nucleus
heartwood
anaphase
12. Transferring of the information from the DNA into the language of the mRNA.
a changing/heterogeneous environment
translation
bud scale scars
bionary fission and asexually
13. Cladifils- modified stems that look like leaves - all parts are photosynthetic
14. What type of RNA has an anticodon?
storage
tRNA
sister chromatids
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
15. 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.
transcription
-organelles -cytosol -nucleus
hormones are produced in a part of a plant and act in another part.
bryophytes
16. Change in gene frequency in a gene population over time.
evolution
bocarnia
-regulate water loss -regulate gas exchange -allow light to enter the leaf
ADP
17. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
lumen
carbon dioxide
krebs cycle -glycolysis
S-phase
18. What is the primary function of collenchyma cells?
structural support
effects of rising carbon dioxide
andom particle movement results in a net movement from high to low concentration
natural selection
19. You can determine the age of a woody branch by counting these
ghost plant
S-phase
butcher's broom
bud scale scars
20. What is the function of the cortex in a root?
NOT a sperm - microspore - or egg cell
pyruvate
storage
nucleus
21. Change in gene frequency in a gene population over time.
ghost plant
ghost plant
evolution
tRNA
22. A plant that carries two different versions of a gene for a single trait is...
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
heterozygous
bocarnia
NOT a sperm - microspore - or egg cell
23. During which phase of meiosis do daughter cells become haploid?
radial arrangement
dehiscent
andom particle movement results in a net movement from high to low concentration
telophase-I
24. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
structural support
40x
natural selection
iris diaphragm
25. Lives in desert - leaves have waxy cuticle - succulent - holds onto water
S-phase
ghost plant
cyanobacteria - green algae - red algae
endodermis
26. Which commonly eaten food is an example of a stem?
provide nutrients for a developing embryo
butcher's broom
ground tissue
potato
27. What would be a way of keeping a short-day plant from blooming?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
anaphase
interrupt the dark period with several minutes of light
lumen
28. What are harmful effects of bacteria?
mangrove
pathogens
leaf
chloroplasts
29. Have a nucleus - and a cell membrane
anther
nitrogenous base
eukaryotes
hormones are produced in a part of a plant and act in another part.
30. What is considered part of the protoplast?
vascular cambium
-organelles -cytosol -nucleus
sister chromatids
translation
31. Where in a dicot leaf does the majority of photosynthesis occur?
palisade mesophyll
cyanobacteria - green algae - red algae
cytokinnin
absorption of water
32. How is algae different from 'true' plants?
nucleus
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
S-phase
xylem
33. How does DNA replication take place?
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
fuzzy plant
fungi
orchids
34. What is a product of the biochemical reactions of photosynthesis?
starch
40x
seed
nucleus
35. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
evolution
protein
bocarnia
carbon dioxide
36. What is a final product of aerobic respiration?
telophase-I
carbon dioxide
RNA
endodermis
37. What best describes a dry fruit which opens at maturity?
dehiscent
lipids
electron transport chain
absorption of water
38. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
starch
fuzzy plant
2
tRNA
39. What is a function of the epidermis?
DNA
structural support
sister chromatids
-regulate water loss -regulate gas exchange -allow light to enter the leaf
40. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
iris diaphragm
zone of maturation
accessory
starch
41. What tissue can be found in a root but not in a stem?
pericycle
zone of maturation
protein
pyruvate
42. What separates during meiosis-II
-regulate water loss -regulate gas exchange -allow light to enter the leaf
dehiscent
bud scale scars
sister chromatids
43. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
abscistic acid
resonance
carbon dioxide
ferns
44. Transfer of DNA to RNA
transcription
mRNA
fuzzy plant
vascular cambium
45. Info. carrying molecule - single stranded
chlorophyll-A
starch
RNA
mangrove
46. Heating up bacteria until it is harmless and cannot function.
DNA
pasteurization
krebs cycle
interrupt the dark period with several minutes of light
47. What are the major groups of algae?
lichens
ghost plant
S-phase
cyanobacteria - green algae - red algae
48. What is considered part of the protoplast?
-organelles -cytosol -nucleus
pyruvate
maternal sporophyte - gametophyte - daughter sporophyte
heterozygous
49. Info. carrying molecule - single stranded
orchids
cyanobacteria - green algae - red algae
RNA
hormones are produced in a part of a plant and act in another part.
50. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
hormones are produced in a part of a plant and act in another part.
structural support
versions of a gene
ground tissue