The animal coelacanth caught in South Africa is an example of vertebrate transition from:
| 1. | Fish to Amphibia | 2. | Amphibia to Reptilia |
| 3. | Reptilia to Bird | 4. | Reptilia to Mammal |
Subtopic: Â A BRIEF ACCOUNT OF EVOLUTION |
 67%
Level 2: 60%+
NEET - 2024
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Which of the following group of animals have three chambered heart?
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
Subtopic: Â Study of Amphibians |Â Study of Reptilia |
 67%
Level 2: 60%+
NEET - 2024
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Name the hormone(s) not secreted by placenta.
A. Estrogens
B. Progestogens
C. Relaxin and Inhibin
D. hCG
E. hPL
Choose the correct answer from the options given below:
A. Estrogens
B. Progestogens
C. Relaxin and Inhibin
D. hCG
E. hPL
Choose the correct answer from the options given below:
| 1. | D and E only | 2. | C only |
| 3. | B only | 4. | A and C only |
Subtopic: Â Embryonic Development till Gastrulation |
 64%
Level 2: 60%+
NEET - 2024
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MTP (Medical Termination of Pregnancy) with oral pills is considered relatively safe up to:
| 1. | 7-9 weeks of pregnancy | 2. | 15-18 weeks of pregnancy |
| 3. | 20-24 weeks of pregnancy | 4. | 28-30 weeks of pregnancy |
Subtopic: Â Medical Termination of Pregnancy |
 60%
Level 2: 60%+
NEET - 2024
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Use of hyper immune horse serum raised against a specific pathogen, given to a recipient is an example of:
1. Natural active immunity
2. Artificial active immunity
3. Natural passive immunity
4. Artificial passive immunity
1. Natural active immunity
2. Artificial active immunity
3. Natural passive immunity
4. Artificial passive immunity
Subtopic: Â Active & Passive Immunity |
 66%
Level 2: 60%+
NEET - 2024
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | Some ethical standards are required to evaluate the morality of scientific human activities that might help or harm living organisms. |
| Reason (R): | Genetic Engineering Approval Committee make decisions regarding the validity of Genetically Modified (GM) research and the safety of introducing GM organisms for public services. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Ethical Issues |
Level 3: 35%-60%
NEET - 2024
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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) and the other is labelled as Reason (R).
| Assertion (A): | The interaction, in which one species benefits and the other is neither harmed nor benefitted, is known as commensalism. |
| Reason (R): | Egrets always forage close to where the cattles are grazing, otherwise it is difficult for the egrets to find the insect and catch. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
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): | Some human organs like liver, kidney fail to function normally and transplantation is the only remedy to enable the patient to live a normal life. |
| Reason (R): | Tissue matching and blood group matching are essential before undertaking any transplant and patient has to take immunosuppresant thereafter. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Details of Immunity |
 60%
Level 2: 60%+
NEET - 2024
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The manifestations of phenylketonuria are given below. Choose the incorrect answer from the given options:
1. Mental retardation
2. Skin rashes
3. Excessive accumulation of phenylpyruvate in blood
4. Furrowed tongue
1. Mental retardation
2. Skin rashes
3. Excessive accumulation of phenylpyruvate in blood
4. Furrowed tongue
Subtopic: Â Mendelian Disorders |
 67%
Level 2: 60%+
NEET - 2024
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456890
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Assuming Hardy Weinberg's Principle, in a certain population, the frequencies of three genotype are as follows:
What is the likely frequency of 'A' and 'a' alleles?
| Genotypes | AA | Aa | aa |
| Frequency | 22% | 62% | 16% |
| 1. | 53% and 47% | 2. | 40% and 60% |
| 3. | 50% and 50% | 4. | 30% and 70% |
Subtopic: Â Hardy Weinberg Law |
 59%
Level 3: 35%-60%
NEET - 2024
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