Podcast
Questions and Answers
Which of the following structures are characteristic of monocotyledonous seeds?
Which of the following structures are characteristic of monocotyledonous seeds?
- radicle and plumule
- coleorhiza and radicle
- coleoptile and radicle
- coleoptile and coleorhiza (correct)
Which anatomical feature of wood is used to estimate the age of a tree growing in a temperate climate?
Which anatomical feature of wood is used to estimate the age of a tree growing in a temperate climate?
- Spring wood and heart wood
- Spring wood and late wood (correct)
- Autumn wood and sap wood
- Heart wood and sap wood
What are the cofactors of the catalytic redox center of Nitrogenase?
What are the cofactors of the catalytic redox center of Nitrogenase?
- Mn and Cu
- Zn and Co
- Mo and Fe (correct)
- Ni and Cr
What is the role of Nitrogenase in biological nitrogen fixation?
What is the role of Nitrogenase in biological nitrogen fixation?
What is an example of genetic diversity?
What is an example of genetic diversity?
Which factor binds to the stop codon during translation?
Which factor binds to the stop codon during translation?
What is the role of asparagine and glutamine in nitrogen fixation?
What is the role of asparagine and glutamine in nitrogen fixation?
What is the condition required for optimal functioning of Nitrogenase?
What is the condition required for optimal functioning of Nitrogenase?
What is the requirement for the causative agent of Malaria to generate mature mRNA?
What is the requirement for the causative agent of Malaria to generate mature mRNA?
Which pair of inhibitors is most likely to be competitive inhibitors for the enzyme?
Which pair of inhibitors is most likely to be competitive inhibitors for the enzyme?
What is the frequency of heterozygous individuals in the island population with respect to the sickle cell anemia allele?
What is the frequency of heterozygous individuals in the island population with respect to the sickle cell anemia allele?
What is the purpose of digesting the recombinant plasmid with Not I and EcoR I?
What is the purpose of digesting the recombinant plasmid with Not I and EcoR I?
What is the size of the cloned DNA fragment?
What is the size of the cloned DNA fragment?
What is the type of disease that sickle cell anemia is?
What is the type of disease that sickle cell anemia is?
What is the purpose of using the Hind III and EcoR I sites in the plasmid vector?
What is the purpose of using the Hind III and EcoR I sites in the plasmid vector?
What is the expected frequency of the disease allele in the island population?
What is the expected frequency of the disease allele in the island population?
What is the primary function of peptones?
What is the primary function of peptones?
During karyokinesis, which stage is most affected by a mitotic drug that inhibits microtubule formation?
During karyokinesis, which stage is most affected by a mitotic drug that inhibits microtubule formation?
What is the primary function of the endosperm in seed structure?
What is the primary function of the endosperm in seed structure?
Which of the following biomolecules is NOT a protein?
Which of the following biomolecules is NOT a protein?
What is the term for the process of bacterial nitrogen fixation?
What is the term for the process of bacterial nitrogen fixation?
Which of the following statements is INCORRECT regarding seed structure?
Which of the following statements is INCORRECT regarding seed structure?
What is the primary function of the aleurone layer in seed structure?
What is the primary function of the aleurone layer in seed structure?
During translation, which of the following molecules is NOT directly involved?
During translation, which of the following molecules is NOT directly involved?
Study Notes
Physiological Roles
- P is related to (iv)
- Q is related to (v)
- R is related to (i)
- S is related to (ii)
Diseases
- Malaria requires the splicing of their hnRNA to generate mature mRNA
Enzyme Inhibitors
- P and S are the best pair of competitive inhibitors for the enzyme
Sickle Cell Anemia
- Assuming Hardy-Weinberg equilibrium, 392 individuals are expected to be heterozygous for the disease allele in an island with 10,000 individuals
DNA Fragment Cloning
- A 1000 base-pair DNA fragment was cloned between Hind III and EcoR I sites of the plasmid vector (pIAT) of size 3500 base-pair
Tree Age Estimation
- Spring wood and late wood can be used to estimate the age of a tree growing in a temperate climate
Biological Nitrogen Fixation
- The catalytic redox center of Nitrogenase contains Mo and Fe as cofactors
Genetic Diversity
- Variation in the potency and concentration of reserpine produced by Rauwolfia vomitoria is an example of genetic diversity
Translation
- Release factor binds to the stop codon when the ribosome encounters it during translation
Biomolecule Functions
- Match the entries in Column I with their functions described in Column II
Peptones
- Peptones are partially digested proteins
Biomolecule Chemical Nature
- Match the biomolecules given in Column I with their corresponding chemical nature given in Column II
Mitotic Drug
- A mitotic drug inhibits microtubule formation, and metaphase will be the first stage of karyokinesis to get affected by the drug
Seed Structure
- In monocot seeds, the membraneous seed coat that is fused with the fruit wall is not called the aleurone layer
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Description
Match the terms with their corresponding physiological roles and answer the question about a disease. Test your knowledge of physiology and biology.
