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Questions and Answers
In a Mendelian dihybrid cross, what fraction of the F₂ generation is expected to have the genotype Yyrr?
In a Mendelian dihybrid cross, what fraction of the F₂ generation is expected to have the genotype Yyrr?
- $ rac{2}{16}$ (correct)
- $ rac{3}{16}$
- $ rac{1}{16}$
- $ rac{4}{16}$
Match the plant growth regulator with its precursor or chemical class:
Match the plant growth regulator with its precursor or chemical class:
- A - II, B - I, C - IV, D - III
- A - IV, B - III, C - I, D - II (correct)
- A - II, B - I, C - III, D - IV
- A - IV, B - II, C - I, D - III
After DNA fragments are separated by gel electrophoresis, the process of cutting out the desired DNA band and extracting the DNA from the gel piece is called what?
After DNA fragments are separated by gel electrophoresis, the process of cutting out the desired DNA band and extracting the DNA from the gel piece is called what?
- Spooling
- Biolistic
- Elution (correct)
- Southern blotting
Which of the following sequences accurately describes the steps involved in recombinant DNA technology?
Which of the following sequences accurately describes the steps involved in recombinant DNA technology?
Which of the following statements is incorrect regarding decomposition in an ecosystem?
Which of the following statements is incorrect regarding decomposition in an ecosystem?
Match the terms related to ecosystems in Column A with their descriptions in Column B.
Match the terms related to ecosystems in Column A with their descriptions in Column B.
What primary process do detritivores perform in an ecosystem?
What primary process do detritivores perform in an ecosystem?
The inheritance of starch grain size in peas is an example of what type of inheritance?
The inheritance of starch grain size in peas is an example of what type of inheritance?
Flashcards
Yyrr genotype frequency
Yyrr genotype frequency
The genotype Yyrr appears in a 2:16 ratio in the F₂ generation of a Mendelian dihybrid cross.
Plant hormone matching
Plant hormone matching
Auxin: Indole compounds; Gibberellin: Terpenes; Cytokinin: Adenine derivatives; ABA: Carotenoid derivatives.
DNA elution
DNA elution
Elution is the process where DNA fragments are extracted from the agarose gel after gel electrophoresis.
Recombinant DNA steps
Recombinant DNA steps
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Factors affecting decomposition
Factors affecting decomposition
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Ecosystem components matching
Ecosystem components matching
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Detritivore process
Detritivore process
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Starch grain size inheritance
Starch grain size inheritance
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Study Notes
- The frequency of Yyrr genotype in the F2 generation of a Mendelian dihybrid cross is 2/16.
Match the Following
- Auxin corresponds to Indole compounds.
- Gibberellin corresponds to Terpenes.
- Cytokinin corresponds to Adenine derivatives.
- ABA corresponds to Carotenoid derivatives.
- The process of cutting out DNA bands separated by gel electrophoresis from the agarose gel and extracting them from the gel piece is called elution.
Recombinant DNA Technology
- Involves several steps in a specific sequence to find out the correct sequence.
- e → a → f → c → g → b → d is the correct sequence.
- e. Isolation of DNA
- a. Fragmentation of DNA
- f. Isolation of desired DNA fragment
- c. Ligation of DNA fragment into a vector
- g. Transferring the recombinant DNA into the host
- b. Culturing the host cells in a medium at a large scale
- d. Extraction of the desired product
- Decomposition is an important functional aspect of the ecosystem however it is incorrect to state that low temperature and anaerobiosis favor decomposition.
Match the Following Columns
- Natural ecosystem corresponds to Forest.
- Decomposer corresponds to Bacteria.
- Primary productivity corresponds to Producer.
- Secondary productivity corresponds to Consumer.
- Detritivores carry out the process of fragmentation in an ecosystem.
- Inheritance of starch grain size in pea shows incomplete dominance.
- The given floral formula belongs to the family Solanaceae.
- Floral formula: ⨁ ♀ Epi3→8 K(5) C5 A(∞) G(5)
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