Following are the steps involved in the process of PCR.
A. Annealing
B. Amplification (~1 billion times)
C. Denaturation
D. Treatment with Taq polymerase and deoxynucleotides
E. Extension
Choose the correct sequence of steps of PCR from the options given below :
1. C → A → D → E → B
2. A → B → E → D → C
3. A → C → E → D → B
4. D → B → E → C → A
A. Annealing
B. Amplification (~1 billion times)
C. Denaturation
D. Treatment with Taq polymerase and deoxynucleotides
E. Extension
Choose the correct sequence of steps of PCR from the options given below :
1. C → A → D → E → B
2. A → B → E → D → C
3. A → C → E → D → B
4. D → B → E → C → A
Subtopic: Polymerase Chain Reaction: PCR |
86%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements:
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.
| Statement I: | Concentrated urine is formed due to counter current mechanism in nephron. |
| Statement II: | Counter current mechanism helps to maintain osmotic gradient in the medullary interstitium. |
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: Concentration of Urine |
86%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is True but Statement II is False.
2. Statement I is False but Statement II is True.
3. Both Statement I and Statement II are True.
4. Both Statement I and Statement II are False.
| Statement I: | Concentrically arranged cisternae of Golgi complex are arranged near the nucleus with distinct convex cis or maturing and concave trans or forming face. |
| Statement II: | A number of proteins are modified in the cisternae of Golgi complex before they are released from cis face. |
1. Statement I is True but Statement II is False.
2. Statement I is False but Statement II is True.
3. Both Statement I and Statement II are True.
4. Both Statement I and Statement II are False.
Subtopic: Golgi Apparatus |
Level 3: 35%-60%
NEET - 2024
Hints
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): | Members of subphylum vertebrate possess notochord during the embryonic period. The notochord is replaced by a cartilaginous or bony vertebral column in the adult. |
| Reason (R): | All chordates are vertebrates but not all vertebrates are chordates |
| 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 |
66%
Level 2: 60%+
NEET - 2024
Hints
The mother has A+ blood group, the father has B+ and the child is A+. What can be possible genotypes of all three, respectively?
A. IAIA | IBi | IBi
B. IAIA | IBi | IAi
C. IB i IA IA| IA IB
D. IAIA | IBIB | IAi
E. IA | IBi | IAi
Choose the correct answer from the options given below:
1. C and D
2. D and A
3. A and B
4. B and E
A. IAIA | IBi | IBi
B. IAIA | IBi | IAi
C. IB i IA IA| IA IB
D. IAIA | IBIB | IAi
E. IA | IBi | IAi
Choose the correct answer from the options given below:
1. C and D
2. D and A
3. A and B
4. B and E
Subtopic: Co-dominance |
79%
Level 2: 60%+
NEET - 2024
Hints
What do 'a' and 'b' represent in the following population growth curve?
| 1. | 'a' represents exponential growth when responses are not limiting the growth; and 'b' represents logistic growth when responses are limiting the growth. |
| 2. | 'a' represents logistic growth when responses are not limiting the growth; 'b' represents exponential growth when responses are limiting the growth. |
| 3. | 'a' represents carrying capacity and 'b' shows logistic growth when responses are limiting the growth. |
| 4. | 'a' represents exponential growth when responses are not limiting the growth and 'b' shows carrying capacity. |
Subtopic: Population: Exponential Growth Model | Population: Logistic Growth Model |
89%
Level 1: 80%+
NEET - 2024
Hints
Select the correct statements regarding mechanism of muscle contraction.
Choose the most appropriate answer from the options given below:
| A. | It is initiated by a signal sent by CNS via sensory neuron. |
| B. | Neurotransmitter generates action potential in the sarcolemma. |
| C. | Increased Ca++ level leads to the binding of calcium with troponin actin filaments. |
| D. | Masking of active site for actin is activated. |
| E. | Utilising the energy from ATP hydrolysis to form cross bridge. |
| 1. | B, C and E only | 2. | C, D and E only |
| 3. | A and D only | 4. | B, D and E only |
Subtopic: Sliding Filament Theory | Muscle Contraction: Other Considerations |
73%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-II,B-III,C-I,D-IV
2. A-II,B-IV,C-III,D-I
3. A-III,B-I,C-II,D-IV
4. A-III,B-IV,C-I,D-II
| List-I | List-II | ||
| A. | Squamous Epithelium | I. | Goblet cells of alimentary canal |
| B. | Ciliated Epithelium | II. | Inner lining of pancreatic ducts |
| C. | Glandular Epithelium | III. | Walls of blood vessels |
| D. | Compound Epithelium | IV. | Inner surface of Fallopian tubes |
1. A-II,B-III,C-I,D-IV
2. A-II,B-IV,C-III,D-I
3. A-III,B-I,C-II,D-IV
4. A-III,B-IV,C-I,D-II
Subtopic: Simple Epithelium | Compound & Specialised Epithelium | Glandular Epithelium & Cell Junction |
85%
Level 1: 80%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-I,B-IV,C-II,D-III
2. A-IV,B-II,C-III,D-I
3. A-III,B-IV,C-II,D-I
4. A-II,B-IV,C-I,D-III
| List-I | List-II | ||
| A. | B-Lymphocytes | I. | Passive immunity |
| B. | Interferons | II. | Cell mediated immunity |
| C. | T-Lymphocytes | III. | Produce an army of proteins in response to pathogens |
| D. | Colostrum | IV. | Innate immunity |
1. A-I,B-IV,C-II,D-III
2. A-IV,B-II,C-III,D-I
3. A-III,B-IV,C-II,D-I
4. A-II,B-IV,C-I,D-III
Subtopic: Details of Immunity | Active & Passive Immunity |
80%
Level 1: 80%+
NEET - 2024
Hints
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): | During the transportation of gases, about 20-25 percent of CO2 is carried by haemoglobin as carbamino-haemoglobin. |
| Reason (R): | This binding is related to high pCO2 and low pO2 in the tissues |
In the light of the above statements, choose the correct answer from the options given below.
| 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: Respiratory System: Transport of Gases |
61%
Level 2: 60%+
NEET - 2024
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