Why can't insulin be given orally to diabetic patients?
| 1. | Because of structural variation |
| 2. | Its bioavailability will be increased |
| 3. | Human body will elicit strong immune response |
| 4. | It will be digested in Gastro-Intestinal (GI) tract |
Subtopic: Gastrointestinal Hormones | Pancreas |
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NEET - 2025
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Name the class of enzyme that usually catalyze the following reaction :
\(\mathrm{S}-\mathrm{G}+\mathrm{S}^{\#} \rightarrow \mathrm{~S}+\mathrm{S}^{\#}-\mathrm{G}\)
Where, G → a group other than hydrogen
S → a substrate
\(S^\#\) → another substate
\(\mathrm{S}-\mathrm{G}+\mathrm{S}^{\#} \rightarrow \mathrm{~S}+\mathrm{S}^{\#}-\mathrm{G}\)
Where, G → a group other than hydrogen
S → a substrate
\(S^\#\) → another substate
| 1. | Transferase | 2. | Ligase |
| 3. | Hydrolase | 4. | Lyase |
Subtopic: Enzymes Classification |
76%
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 : | The DNA fragments extracted from gel electrophoresis can be used in construction of recombinant DNA. |
| Statement II : | Smaller size DNA fragments are observed near anode while larger fragments are found near the wells in an agarose gel. |
| 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: Restriction Enzymes - Main Enzymes |
77%
Level 2: 60%+
NEET - 2025
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The correct sequence of events in the life cycle of bryophytes is
A. Fusion of antherozoid with egg.
B. Attachment of gametophyte to substratum.
C. Reduction division to produce haploid spores.
D. Formation of sporophyte.
E. Release of antherozoids into water.
Choose the correct answer from the options given below:
A. Fusion of antherozoid with egg.
B. Attachment of gametophyte to substratum.
C. Reduction division to produce haploid spores.
D. Formation of sporophyte.
E. Release of antherozoids into water.
Choose the correct answer from the options given below:
| 1. | B, E, A, D, C | 2. | D, E, A, B, C |
| 3. | D, E, A, C, B | 4. | B, E, A, C, D |
Subtopic: Bryophytes |
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Level 3: 35%-60%
NEET - 2025
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Genes R and Y follow independent assortment. If RRYY produce round yellow seed and rryy produce wrinkled green seeds, what will be then phenotypic ratio of the F2 generation?
1. Phenotypic ratio - 9 : 3 : 3 : 1
2. Phenotypic ratio - 9 :7
3. Phenotypic ratio - 1 : 2 : 1
4. Phenotypic ratio - 3 : 1
1. Phenotypic ratio - 9 : 3 : 3 : 1
2. Phenotypic ratio - 9 :7
3. Phenotypic ratio - 1 : 2 : 1
4. Phenotypic ratio - 3 : 1
Subtopic: Dihybrid Cross Analysis |
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Level 1: 80%+
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Each of the following characteristics represent a Kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of body organization.
Choose the correct answer from the options given below :
| A. | Multicellular heterotrophs with cell wall made of chitin. |
| B. | Heterotrophs with tissue/organ/organ system level of body organization. |
| C. | Prokaryotes with cell wall made of polysaccharides and amino acids. |
| D. | Eukaryotic autotrophs with tissue/organ level of body organization. |
| E. | Eukaryotes with cellular body organization. |
| 1. | A, C, E, D, B | 2. | C, E, A, B, D |
| 3. | A, C, E, B, D | 4. | C, E, A, D, B |
Subtopic: Different Classification Systems |
71%
Level 2: 60%+
NEET - 2025
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Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I | List-I | ||
| A. | Centromere | I. | Mitochondrion |
| B. | Cilium | II. | Cell division |
| C. | Cristae | III. | Cell movement |
| D. | Cell membrane | IV. | Phospholipid Bilayer |
| 1. | A-IV, B-II, C-III, D-I | 2. | A-II, B-III, C-I, D-IV |
| 3. | A-I, B-II, C-III, D-IV | 4. | A-II, B-I, C-IV, D-III |
Subtopic: Cell Membrane | Mitochondria | Nucleus | Cilia & Flagella |
86%
Level 1: 80%+
NEET - 2025
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Which one of the following equations represent the Verhulst-Pearl Logistic Growth of population?
| 1. | \(\frac{d \mathrm{~N}}{d t}=r N\left(\frac{N-K}{N}\right) \) | 2. | \(\frac{d N}{d t}=N\left(\frac{r-K}{K}\right) \) |
| 3. | \(\frac{d N}{d t}=r\left(\frac{K-N}{K}\right) \) | 4. | \(\frac{d N}{d t}=r N\left(\frac{K-N}{K}\right)\) |
Subtopic: Population: Logistic Growth Model |
70%
Level 2: 60%+
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Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Emphysema | I. | Rapid spasms in muscle due to low Ca++ in body fluid |
| B. | Angina Pectoris | II. | Damaged alveolar walls and decreased respiratory surface |
| C. | Glomerulonephritis | III. | Acute chest pain when not enough oxygen is reaching to heart muscle |
| D. | Tetany | IV. | Inflammation of glomeruli of kidney |
| 1. | A-II, B-IV, C-III, D-I | 2. | A-II, B-III, C-IV, D-I |
| 3. | A-III, B-I, C-IV, D-II | 4. | A-III, B-I, C-II, D-IV |
Subtopic: Respiratory Disorders: Part 1 |
85%
Level 1: 80%+
NEET - 2025
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Cardiac activities of the heart are regulated by:
Choose the correct answer from the options given below:
| A. | Nodal tissue |
| B. | A special neural centre in the medulla oblongata |
| C. | Adrenal medullary hormones |
| D. | Adrenal cortical hormones |
| 1. | A, C and D only |
| 2. | A, B and D only |
| 3. | A, B and C only |
| 4. | A, B, C and D |
Subtopic: Regulation of Cardiac Activity |
63%
Level 2: 60%+
NEET - 2025
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