Which of the following statements is correct about the type of junction and their role in our body?
| 1. | Adhering junctions facilitate the cells to communicate with each other. |
| 2. | Tight junctions help to stop substances from leaking across a tissue. |
| 3. | Tight junctions help to perform cementing to keep neighbouring cells together. |
| 4. | Gap junctions help to create gap between the cells and tissues. |
Subtopic: Glandular Epithelium & Cell Junction |
85%
Level 1: 80%+
NEET - 2024
Hints
Select the restriction endonuclease enzymes whose restriction sites are present for the tetracycline resistance (tetR) gene in the pBR322 cloning vector.
1. Bam HI and Sal I
2. Sal I and Pst I
3. Pst I and Pvu I
4. Pvu I and Bam HI
1. Bam HI and Sal I
2. Sal I and Pst I
3. Pst I and Pvu I
4. Pvu I and Bam HI
Subtopic: Cloning Vector |
87%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Chondrichthyes | I. | Clarias |
| B. | Cyclostomata | II. | Carcharodon |
| C. | Osteichthyes | III. | Myxine |
| D. | Amphibia | IV. | Ichthyophis |
Choose the correct answer from the options given below:
| 1. | A-II,B-IV,C-I,D-III |
| 2. | A-I,B-III,C-II,D-IV |
| 3. | A-II,B-III,C-I,D-IV |
| 4. | A-I,B-II,C-III,D-IV |
Subtopic: Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Amphibians | Class Chondrichthyes |
77%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements: One is labelled as Assertion (A) and other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below.
| Assertion (A): | During menstrual cycle, the ovulation takes place approximately on 14th day. |
| Reason (R): | Rapid secretion of LH in the middle of menstrual cycle induces rupture of Graafian follicle and thereby the release of ovum. |
| 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: Menstrual Cycle: Luteal Phase |
81%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II with respect to convergent evolution:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Lemur | I. | Flying phalanger |
| B. | Bobcat | II. | Numbat |
| C. | Anteater | III. | Spotted cuscus |
| D. | Flying squirrels | IV. | Tasmanian tiger cat |
| 1. | A-III,B-IV,C-II,D-I | 2. | A-III,B-II,C-IV,D-I |
| 3. | A-IV,B-III,C-II,D-I | 4. | A-IV,B-II,C-III,D-I |
Subtopic: What is Adaptive Radiation |
84%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Cells are metabolically active and proliferate | I. | G2 phase |
| B. | DNA replication takes place | II. | G1 phase |
| C. | Proteins are synthesised | III. | G0 phase |
| D. | Quiescent stage with metabolically active cells | IV. | S phase |
| 1. | A-IV,B-II,C-III,D-I |
| 2. | A-I,B-III,C-IV,D-II |
| 3. | A-II,B-I,C-III,D-IV |
| 4. | A-II,B-IV,C-I,D-III |
Subtopic: Intro to Cell Cycle & Interphase |
94%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Migratory flamingoes and resident fish in South American lakes | I. | Interference competition |
| B. | Abingdon tortoise became extinct after introduction of goats in their habitat | II. | Competitive release |
| C. | Chathamalus expands its distributional range in the absence of Balanus | III. | Resource partitioning |
| D. | Five closely related species of Warblers feeding in different location on the same tree | IV. | Interspecific competition |
| 1. | A-I,B-IV,C-III,D-II | 2. | A-IV,B-I,C-II,D-III |
| 3. | A-III,B-I,C-II,D-IV | 4. | A-II,B-IV,C-III,D-I |
Subtopic: Population Interactions: Competition |
83%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II relating to microbes and their products:
Choose the correct answer from the options given below:
| List-I (Microbes) |
List-II (Products) |
||
| A. | Streptococcus | I. | Citric acid |
| B. | Trichoderma polysporum | II. | Clot buster |
| C. | Monascus purpureus | III. | Cyclosporin A |
| D. | Aspergillus niger | IV. | Statins |
| 1. | A-II, B-III, C-IV, D-I | 2. | A-I, B-II, C-III, D-IV |
| 3. | A-I, B-III, C-II, D-IV | 4. | A-I, B-IV, C-II, D-III |
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
94%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | F1 Particles | I. | Chromosomes |
| B. | Histones | II. | Cilia |
| C. | Axoneme | III. | Golgi apparatus |
| D. | Cisternae | IV. | Mitochondria |
| 1. | A-II, B-I, C-IV, D-III | 2. | A-IV, B-I, C-II, D-III |
| 3. | A-IV, B-I, C-III, D-II | 4. | A-IV, B-III, C-I, D-II |
Subtopic: Mitochondria | Golgi Apparatus | Nucleus: Chromosomes | Cilia & Flagella |
89%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II relating to examples of various kind of IUDs and barrier:
Choose the correct answer from the options given below :
1. A-II, B-IV, C-III, D-I
2. A-IV, B-III, C-I, D-II
3. A-II, B-I, C-III, D-IV
4. A-II, B-IV, C-I, D-III
| List-I | List-II | ||
| A. | Copper releasing IUD | I. | Vaults |
| B. | Non-medicated IUD | II. | Multiload 375 |
| C. | Contraceptive barrier | III. | LNG-20 |
| D. | Hormone releasing IUD | IV. | Lippes loop |
Choose the correct answer from the options given below :
1. A-II, B-IV, C-III, D-I
2. A-IV, B-III, C-I, D-II
3. A-II, B-I, C-III, D-IV
4. A-II, B-IV, C-I, D-III
Subtopic: Contraception: Barrier Methods & IUDs |
87%
Level 1: 80%+
NEET - 2024
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