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. A plant that carries two different versions of a gene for a single trait is...
heterozygous
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
both gymnosperms and angiosperms
pericycle
2. What type of fruit develops from a cluster of many simple flowers?
bud scale scars
heterozygous
the water potential is higher in the potato than the sugar solution
multiple
3. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
eukaryotes
fuzzy plant
potato
biome
4. 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.
vascular cambium
bryophytes
maternal sporophyte - gametophyte - daughter sporophyte
lichens
5. What are homologous chromosomes?
pairs of chromosomes that each carry an allele for a given trait
both gymnosperms and angiosperms
fuzzy plant
polar nuclei
6. What process involves the movement of water across a semi-permeable membrane?
RNA
the water potential is higher in the potato than the sugar solution
protein
osmosis
7. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
mRNA
fungi
cyanobacteria - green algae - red algae
ADP
8. What plant tissue functions in conducting water from the roots to the leaves?
osmosis
xylem
ground tissue
hormones are produced in a part of a plant and act in another part.
9. What part of a stem can a tree live without?
RNA
zone of maturation
heartwood
pasteurization
10. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?
ground tissue
synthesis of proteins
pathogens
pairs of chromosomes that each carry an allele for a given trait
11. How do bacteria reproduce?
S-phase
starch
bionary fission and asexually
andom particle movement results in a net movement from high to low concentration
12. What is NOT a product of the krebs cycle?
mangrove
chlorophyll-A
ADP
lichens
13. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?
resonance
synthesis of proteins
accessory
pairs of chromosomes that each carry an allele for a given trait
14. Transfer of DNA to RNA
transcription
bionary fission and asexually
RNA
butcher's broom
15. What is a final product of glycolysis?
krebs cycle -glycolysis
starch
pyruvate
welwichsia
16. What are the major groups of algae?
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
cyanobacteria - green algae - red algae
heterozygous
carbon dioxide
17. You can determine the age of a woody branch by counting these
bud scale scars
chloroplasts
dehiscent
resonance
18. What would be a way of keeping a short-day plant from blooming?
interrupt the dark period with several minutes of light
bryophytes
mangrove
bionary fission and asexually
19. What is a final product of aerobic respiration?
carbon dioxide
DNA
natural selection
vascular cambium
20. How many sperm cells does each pollen grain typically carry?
DNA
pathogens
heterozygous
2
21. How do bacteria reproduce?
chloroplasts
bionary fission and asexually
artificial selection
translation
22. Epiphytes - valemine breaks down compost in roots
cheese - yogurt - pharmaceuticals
orchids
gymnosperms
prophase
23. How is algae different from 'true' plants?
provide nutrients for a developing embryo
mobility by cilia or flagella - do not have roots - and are not adapted to dry land
gymnosperms
cone
24. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.
mangrove
iris diaphragm
fungi
chloroplasts
25. During which phase of mitosis does the nuclear envelope disappear?
polar nuclei
prophase
pathogens
-regulate water loss -regulate gas exchange -allow light to enter the leaf
26. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer
effects of rising carbon dioxide
lichens
electron transport chain
S-phase
27. Have a cell wall - no membrane - and no nucleus
evolution
prokaryotes
anaphase
S-phase
28. What cell undergoes meiosis?
bionary fission and asexually
NOT a sperm - microspore - or egg cell
iris diaphragm
welwichsia
29. In what part of a flower is pollen produced?
multiple
polar nuclei
electron transport chain
anther
30. What organelle do guard cells contain that other epidermal cells lack?
anaphase
cone
cyanobacteria - green algae - red algae
chloroplasts
31. During which phase of meiosis do daughter cells become haploid?
lipids
telophase-I
eukaryotes
NOT a sperm - microspore - or egg cell
32. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.
artificial selection
mRNA
pitcher plant
telophase-I
33. What is the main function of the roots of a corn plant?
absorption of water
hormones are produced in a part of a plant and act in another part.
iris diaphragm
evolution
34. In double fertilization - one sperm cell fertilized an egg cell - What does the other sperm cell fertilize?
biome
accessory
water
polar nuclei
35. What BEST describes plant hormones?
bryophytes
leaf
hormones are produced in a part of a plant and act in another part.
cyanobacteria - green algae - red algae
36. What is NOT a function of the vacuole?
both gymnosperms and angiosperms
chlorophyll-A
sister chromatids
synthesis of proteins
37. What is a final product of glycolysis?
heartwood
krebs cycle
pyruvate
interrupt the dark period with several minutes of light
38. What best describes a dry fruit which opens at maturity?
dehiscent
phytochrome
prokaryotes
potato
39. 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.
palisade mesophyll
translation
pitcher plant
orchids
40. Which substances pass through the open stomata of a leaf?
-water vapor -oxygen -carbon dioxide
both gymnosperms and angiosperms
dehiscent
welwichsia
41. What are harmful effects of bacteria?
hormones are produced in a part of a plant and act in another part.
pathogens
potato
lichens
42. What type of RNA has an anticodon?
both gymnosperms and angiosperms
tRNA
ground tissue
absorption of water
43. How does DNA replication take place?
water
potato
2 strands separate - 2 new strands are produced - each new DNA molecule contains 1 old strand
cheese - yogurt - pharmaceuticals
44. Transfer of DNA to RNA
multiple
transcription
heterozygous
natural selection
45. Which part of aerobic respiration generates the most ATP?
seed
natural selection
ghost plant
electron transport chain
46. What is the function of the cortex in a root?
storage
fungi
provide nutrients for a developing embryo
bionary fission and asexually
47. An ecosystem with similar climatic conditions on earth - such as communities of plants - animals - and soil organisms
biome
polar nuclei
tRNA
pitcher plant
48. What are the major groups of algae?
mRNA
cyanobacteria - green algae - red algae
the water potential is higher in the potato than the sugar solution
artificial selection
49. Have a cell wall - no membrane - and no nucleus
prokaryotes
translation
both gymnosperms and angiosperms
starch
50. Cladifils- modified stems that look like leaves - all parts are photosynthetic