Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?
| 1. | Virus | 2. | Phage |
| 3. | Bacterium | 4. | Yeast |
Subtopic: Med Applications & Humulin |
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below :
| Assertion (A): | All vertebrates are chordates but all chordates are not vertebrate. |
| Reason (R): | The members of subphylum vertebrata possess notochord during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults. |
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
Subtopic: Phylum Chordata |
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What is the main function of the spindle fibers during mitosis?
| 1. | To repair damaged DNA |
| 2. | To regulate cell growth |
| 3. | To separate the chromosomes |
| 4. | To synthesize new DNA |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Alfred Hershey and Martha Chase | I. | Streptococcus pneumoniae |
| B. | Euchromatin | II. | Densely packed and dark- stained |
| C. | Frederick Griffith | III. | Loosely packed and light-stained |
| D. | Heterochromatin | IV. | DNA as genetic material confirmation |
| 1. | A-IV, B-III, C-I, D-II | 2. | A-III, B-II, C-IV, D-I |
| 3. | A-II, B-IV, C-I, D-III | 4. | A-IV, B-II, C-I, D-III |
Subtopic: Miscellaneous |
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Match List-I with List-II:
Choose the option with all correct matches.
| List-I | List-II | ||
| A. | Adenosine | I. | Nitrogen base |
| B. | Adenylic acid | II. | Nucleotide |
| C. | Adenine | III. | Nucleoside |
| D. | Alanine | IV. | Amino acid |
| 1. | A-III, B-II, C-I, D-IV | 2. | A-II, B-III, C-I, D-IV |
| 3. | A-III, B-IV, C-II, D-I | 4. | A-III, B-II, C-IV, D-I |
Subtopic: Nucleic Acid | Amino Acids |
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In frog, the Renal portal system is a special venous connection that acts to link:
1. Kidney and intestine
2. Kidney and lower part of the body
3. Liver and intestine
4. Liver and kidney
1. Kidney and intestine
2. Kidney and lower part of the body
3. Liver and intestine
4. Liver and kidney
Subtopic: Frogs: Anatomy (Excretory System) |
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Which of the following are the post-transcriptional events in an eukaryotic cell?
Choose the correct answer from the options given below:
| A. | Transport of pre-mRNA to the cytoplasm prior to splicing |
| B. | Removal of introns and joining of exons. |
| C. | Addition of methyl group at 5' end of hnRNA. |
| D. | Addition of adenine residues at 3' end of hnRNA. |
| E. | Base pairing of two complementary RNAs. |
| 1. | B, C, E only | 2. | C, D, E only |
| 3. | A, B, C only | 4. | B, C, D only |
Subtopic: Transcription |
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Polymerase chain reaction (PCR) amplifies DNA following the equation.
| 1. | \(2n+1\) | 2. | \(2N^2\) |
| 3. | \(N^2\) | 4. | \(2^n\) |
Subtopic: Polymerase Chain Reaction: PCR |
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below.
| Assertion (A): | Both wind and water pollinated flowers are not very colourful and do not produce nectar. |
| Reason (R): | The flowers produce enormous amount of pollen grains in wind and water pollinated flowers. |
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Subtopic: Pollination & Outbreeding Devices |
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Epiphytes, that are growing on the mango branch, is an explanation of which of the following?
| 1. | Predation | 2. | Amensalism |
| 3. | Commensalism | 4. | Mutualism |
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
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