Which factor is important for termination of transcription?
| 1. | \(\rho\) (rho) | 2. | \(\gamma\) (gamma) |
| 3. | \(\alpha\) (alpha) | 4. | \(\sigma\) (sigma) |
Subtopic: Transcription |
81%
Level 1: 80%+
NEET - 2025
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Who proposed that the genetic code for amino acids should be made up of three nucleotides?
| 1. | Jacque Monod | 2. | Franklin Stahl |
| 3. | George Gamow | 4. | Francis Crick |
Subtopic: Genetic Code |
72%
Level 2: 60%+
NEET - 2025
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Given below are two statements :
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | Transfer RNAs and ribosomal RNA do not interact with mRNA. |
| Statement II: | RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence. |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 1. | Statement I is correct but Statement II is incorrect |
| 2. | Statement I is incorrect but Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
Subtopic: Translation Mechanism | Transcription |
64%
Level 2: 60%+
NEET - 2025
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Which chromosome in the human genome has the highest number of genes?
| 1. | Chromosome 1 | 2. | Chromosome 10 |
| 3. | Chromosome X | 4. | Chromosome Y |
Subtopic: Human Genome Project |
70%
Level 2: 60%+
NEET - 2025
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Sweet potato and potato represent a certain type of evolution. Select the correct combination of terms to explain the evolution.
| 1. | Homology, convergent | 2. | Analogy, divergent |
| 3. | Analogy, convergent | 4. | Homology, divergent |
Subtopic: Palentological Evidences of Evolution |
72%
Level 2: 60%+
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Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?
1. Cell-mediated Immunity
2. Humoral Immunity
3. Acquired Immunity
4. Innate Immunity
1. Cell-mediated Immunity
2. Humoral Immunity
3. Acquired Immunity
4. Innate Immunity
Subtopic: Active & Passive Immunity |
79%
Level 2: 60%+
NEET - 2025
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Identify the statement that is NOT correct.
| 1. | Antigen binding site is located at C-terminal region of antibody molecules. |
| 2. | Constant region of heavy and light chains are located at C-terminus of antibody molecules. |
| 3. | Each antibody has two light and two heavy chain. |
| 4. | The heavy and light chains are held together by disulfide bonds. |
Subtopic: Details of Immunity |
58%
Level 3: 35%-60%
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After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) / tissue(s) like:
Choose the correct answer from the options given below:
| A. | thymus |
| B. | bone marrow |
| C. | spleen |
| D. | lymph nodes |
| E. | Peyer's patches |
| 1. | E, A, B only | 2. | C, D, E only |
| 3. | B, C, D only | 4. | A, B, C only |
Subtopic: Human Immune System |
77%
Level 2: 60%+
NEET - 2025
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Neoplastic characteristics of cells refer to:
Choose the correct answer from the options given below.
| A. | A mass of proliferating cell |
| B. | Rapid growth of cells |
| C. | Invasion and damage to the surrounding tissue |
| D. | Those confined to original location |
| 1. | A, B, D only | 2. | B, C, D only |
| 3. | A, B only | 4. | A, B, C only |
Subtopic: Cancer |
68%
Level 2: 60%+
NEET - 2025
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Which are correct:
Choose the correct answer from the options given below:
| A. | Computed tomography and magnetic resonance imaging detect cancers of internal organs. |
| B. | Chemotherapeutic drugs are used to kill non-cancerous cells. |
| C. | \(\alpha\) Interferon activates the cancer patients' immune system and helps in destroying the tumor. |
| D. | Chemotherapeutic drugs are biological response modifiers. |
| E. | In the case of leukemia, blood cell counts decrease. |
| 1. | C and D only | 2. | A and C only |
| 3. | B and D only | 4. | D and E only |
Subtopic: Cancer |
74%
Level 2: 60%+
NEET - 2025
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