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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. Enzymes are an example of what type of molecule?
tRNA
-regulate water loss -regulate gas exchange -allow light to enter the leaf
starch
protein
2. 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.
pyruvate
welwichsia
ferns
absorption of water
3. If an ovule is fertilized - what will it develop into?
protein
seed
krebs cycle
potato
4. What is NOT a structure found on a typical flowering plant?
chlorophyll-A
cone
pairs of chromosomes that each carry an allele for a given trait
prophase
5. Epiphytes - valemine breaks down compost in roots
telophase-I
orchids
40x
gymnosperms
6. What cellular processes generate short carbon chains or skeletons which plants use to assemble amino acids and lipids?
krebs cycle -glycolysis
electron transport chain
prophase
both gymnosperms and angiosperms
7. What tissue can be found in a root but not in a stem?
abscistic acid
-organelles -cytosol -nucleus
pericycle
fuzzy plant
8. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
storage
-organelles -cytosol -nucleus
phytochrome
9. Under what conditions would a plant utilize fermentation to obtain energy?
lack of available oxygen
absorption of water
lipids
chlorophyll-A
10. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
DNA
cytokinnin
cyanobacteria - green algae - red algae
versions of a gene
11. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
seed
fuzzy plant
bud scale scars
translation
12. In what part of a flower is pollen produced?
chloroplasts
-water vapor -oxygen -carbon dioxide
anther
effects of rising carbon dioxide
13. In what portion of a root might you find 'root hairs'?
xylem
zone of maturation
chlorophyll-A
ghost plant
14. During which phase of mitosis does the nuclear envelope disappear?
fungi
telophase-I
orchids
prophase
15. What type of RNA has an anticodon?
gymnosperms
potato
tRNA
heterozygous
16. Change in gene frequency in a gene population over time.
lichens
mangrove
anther
evolution
17. What is a function of the epidermis?
prokaryotes
cyanobacteria - green algae - red algae
-regulate water loss -regulate gas exchange -allow light to enter the leaf
accessory
18. If an ovule is fertilized - what will it develop into?
prophase
krebs cycle -glycolysis
seed
lipids
19. What is a final product of glycolysis?
pyruvate
iris diaphragm
NOT a sperm - microspore - or egg cell
sister chromatids
20. A plant that carries two different versions of a gene for a single trait is...
heterozygous
a changing/heterogeneous environment
pathogens
gymnosperms
21. What cell undergoes meiosis?
prophase
NOT a sperm - microspore - or egg cell
chlorophyll-A
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
22. What plant tissue functions in conducting water from the roots to the leaves?
endodermis
pathogens
xylem
a changing/heterogeneous environment
23. In what part of a flower is pollen produced?
transcription
chloroplasts
anther
zone of maturation
24. Which commonly eaten food is an example of a stem?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
potato
palisade mesophyll
provide nutrients for a developing embryo
25. Which class of organic macromolecule stores the greatest amount of potential energy?
resonance
fuzzy plant
lipids
tRNA
26. What best describes a dry fruit which opens at maturity?
dehiscent
natural selection
natural selection
abscistic acid
27. What is the role of endosperm?
accessory
seed
provide nutrients for a developing embryo
phytochrome
28. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
natural selection
polar nuclei
bocarnia
29. Enzymes are an example of what type of molecule?
effects of rising carbon dioxide
chloroplasts
protein
accessory
30. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
sister chromatids
potato
starch
31. 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.
bryophytes
vascular cambium
lipids
osmosis
32. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
polar nuclei
40x
evolution
gymnosperms
33. During which phase of mitosis does the nuclear envelope disappear?
prophase
RNA
sister chromatids
krebs cycle
34. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
structural support
abscistic acid
resonance
bocarnia
35. How does DNA replication take place?
nucleus
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
chlorophyll-A
storage
36. What organelle was observable in the onion epidermis stained with iodine?
nucleus
multiple
endodermis
endodermis
37. What is a function of the epidermis?
absorption of water
mangrove
DNA
-regulate water loss -regulate gas exchange -allow light to enter the leaf
38. What is the function of the cortex in a root?
storage
pericycle
anaphase
endodermis
39. The ocular lens of a microscope is 10x - and the objective lens is 4x. What is the total magnification of the microscope?
nitrogenous base
krebs cycle
eukaryotes
40x
40. What BEST describes plant hormones?
hormones are produced in a part of a plant and act in another part.
polar nuclei
-water vapor -oxygen -carbon dioxide
lipids
41. Info. carrying molecule - single stranded
cyanobacteria - green algae - red algae
endodermis
structural support
RNA
42. What is the primary function of collenchyma cells?
structural support
-water vapor -oxygen -carbon dioxide
heterozygous
evolution
43. What are harmful effects of bacteria?
bocarnia
active transport
pathogens
ground tissue
44. 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.
-regulate water loss -regulate gas exchange -allow light to enter the leaf
fungi
versions of a gene
pitcher plant
45. What process would be used by a plant to move potassium ions across a membrane AGAINST a concentration gradient?
nucleus
effects of rising carbon dioxide
osmosis
active transport
46. 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.
abscistic acid
bud scale scars
krebs cycle -glycolysis
welwichsia
47. Cladifils- modified stems that look like leaves - all parts are photosynthetic
48. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
S-phase
fungi
evolution
49. Transfer of DNA to RNA
transcription
bocarnia
ADP
provide nutrients for a developing embryo
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?
potato
multiple
tRNA
ground tissue