SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 hormone is most important in the ripening of fruits?
2
biome
40x
ethylene
2. What structure is MOST important in generating root pressure?
accessory
lumen
effects of rising carbon dioxide
endodermis
3. Individuals best adapted to their environment reproduce offspring. it requires variation - heritability - and selection.
prokaryotes
heterozygous
40x
natural selection
4. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
resonance
tRNA
cytokinnin
translation
5. Vascular and seed bearing
both gymnosperms and angiosperms
bocarnia
pairs of chromosomes that each carry an allele for a given trait
multiple
6. 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.
ground tissue
water
pitcher plant
osmosis
7. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
polar nuclei
multiple
osmosis
electron transport chain
8. What organelle contains DNA?
the water potential is higher in the potato than the sugar solution
active transport
nucleus
2
9. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
protein
lichens
krebs cycle -glycolysis
lumen
10. What type of RNA has an anticodon?
DNA
transcription
polar nuclei
tRNA
11. During which phase of mitosis does the nuclear envelope disappear?
prophase
andom particle movement results in a net movement from high to low concentration
pasteurization
biome
12. Heating up bacteria until it is harmless and cannot function.
evolution
endodermis
pasteurization
active transport
13. What are beneficial products made from bacteria?
bionary fission and asexually
starch
protein
cheese - yogurt - pharmaceuticals
14. A plant that carries two different versions of a gene for a single trait is...
seed
hormones are produced in a part of a plant and act in another part.
polar nuclei
heterozygous
15. What organelle contains DNA?
lack of available oxygen
abscistic acid
RNA
nucleus
16. What pigment absorbs energy and can emit an electron in photosynthesis?
chlorophyll-A
iris diaphragm
interrupt the dark period with several minutes of light
-organelles -cytosol -nucleus
17. What is considered part of the protoplast?
pericycle
sister chromatids
-organelles -cytosol -nucleus
bryophytes
18. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?
lumen
ghost plant
tRNA
pathogens
19. What is a final product of aerobic respiration?
pathogens
-water vapor -oxygen -carbon dioxide
pyruvate
carbon dioxide
20. Which commonly eaten food is an example of a stem?
potato
resonance
pathogens
mangrove
21. How many sperm cells does each pollen grain typically carry?
cone
2
starch
water
22. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?
accessory
water
S-phase
the water potential is higher in the potato than the sugar solution
23. Seedless - multicellular - and terrestrial - have a vascular system - reproduce by spreading spores that are found on the underside of mature leaves.
ferns
ghost plant
xylem
versions of a gene
24. How are the vascular bundles of a dicot arranged in the stem?
radial arrangement
both gymnosperms and angiosperms
DNA
NOT a sperm - microspore - or egg cell
25. What organelle do guard cells contain that other epidermal cells lack?
butcher's broom
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
chloroplasts
protein
26. What is considered part of the protoplast?
pairs of chromosomes that each carry an allele for a given trait
transcription
-organelles -cytosol -nucleus
bryophytes
27. What is the main function of the roots of a corn plant?
absorption of water
accessory
pairs of chromosomes that each carry an allele for a given trait
heartwood
28. What type of RNA has an anticodon?
tRNA
prophase
gymnosperms
dehiscent
29. What structure is MOST important in generating root pressure?
bocarnia
hormones are produced in a part of a plant and act in another part.
endodermis
zone of maturation
30. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?
multiple
cytokinnin
ADP
provide nutrients for a developing embryo
31. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves
starch
chlorophyll-A
fuzzy plant
electron transport chain
32. Iodine can be used to test for what molecule - resulting in a blue-black color?
accessory
ferns
artificial selection
starch
33. Where in a plant is the water potential lowest?
starch
leaf
prokaryotes
cone
34. Which substances pass through the open stomata of a leaf?
phytochrome
cone
fungi
-water vapor -oxygen -carbon dioxide
35. What is NOT a product of the krebs cycle?
heartwood
ADP
radial arrangement
ferns
36. What are harmful effects of bacteria?
prokaryotes
nucleus
pathogens
andom particle movement results in a net movement from high to low concentration
37. What separates during meiosis-II
sister chromatids
gymnosperms
polar nuclei
nitrogenous base
38. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?
storage
pitcher plant
abscistic acid
biome
39. Southern US - prop roots hold it in place as water moves out - it can breathe under water.
mangrove
tRNA
lumen
phytochrome
40. Which part of aerobic respiration results in the production of CO2?
lichens
palisade mesophyll
osmosis
krebs cycle
41. Transfer of DNA to RNA
water
telophase-I
chlorophyll-A
transcription
42. Enzymes are an example of what type of molecule?
multiple
eukaryotes
active transport
protein
43. Info. carrying molecule - single stranded
nucleus
RNA
tRNA
protein
44. What are adenine - guanine - thymine - cytosine?
nitrogenous base
active transport
both gymnosperms and angiosperms
biome
45. How many sperm cells does each pollen grain typically carry?
mRNA
lack of available oxygen
xylem
2
46. Cladifils- modified stems that look like leaves - all parts are photosynthetic
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
47. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
fungi
pericycle
-water vapor -oxygen -carbon dioxide
zone of maturation
48. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?
cone
iris diaphragm
chloroplasts
starch
49. What is a reactant in the photochemical reactions of photosynthesis?
water
cone
bionary fission and asexually
abscistic acid
50. Which class of organic macromolecule stores the greatest amount of potential energy?
palisade mesophyll
lipids
heterozygous
leaf