Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents? 1. law of dominance 2. inheritance of one gene 3. co-dominance 4. incomplete dominance
Subtopic: Dominance Deviation from Mendel: 1 |
69%
From NCERT
AIPMT - 2013
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The tendency of the population to remain in genetic equilibrium may be disturbed by:
1. lack of migration
2. lack of mutations
3. lack of random mating
4. random mating
Subtopic: Hardy Weinberg Law: 1 | Hardy Weinberg Law: 2 | Hardy Weinberg Law |
61%
AIPMT - 2013
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If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
| 1. | 50% | 2. | 25 % |
| 3. | 100% | 4. | no chance |
Subtopic: Mendelian Disorders: Thalassemia |
56%
AIPMT - 2013
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In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called:
| 1. | cross-hybridisation among the selected parents |
| 2. | evaluation and selection of parents |
| 3. | germplasm collection |
| 4. | selection of superior recombinants |
Subtopic: Plant Breeding & Its Steps (OLD NCERT) |
91%
From NCERT
AIPMT - 2013
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Subtopic: Resource Utilisation & Maintenance |
53%
AIPMT - 2013
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The cell-mediated immunity inside the human body is carried out by:
1. B-lymphocytes
2. Thrombocytes
3. Erythrocytes
4. T-lymphocytes
1. B-lymphocytes
2. Thrombocytes
3. Erythrocytes
4. T-lymphocytes
Subtopic: Details of Immunity |
83%
From NCERT
AIPMT - 2013
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Match the name of the animal (Column I), with one characteristic (Column II), and the phylum/class (Column III) to which it belongs:
| Column I | Column II | Column III | |
| 1. | Ichthyophis | terrestrial | Reptilia |
| 2. | Limulus | body covered by chitinous exoskeleton | Pisces |
| 3. | Adamsia | radially symmetrical | Porifera |
| 4. | Petromyzon | ectoparasite | Cyclostomata |
Subtopic: General Introduction: Vertebrates & Agnatha |
75%
From NCERT
AIPMT - 2013
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Pigment-containing membranous extensions in some cyanobacteria are:
1. Basal bodies
2. Pneumatophores
3. Chromatophores
4. Heterocysts
Subtopic: Details of Prokaryotic Cell Structure |
87%
AIPMT - 2013
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Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom:
| Endocrine gland | Hormone | Function/deficiency symptom | |
| (A) | Posterior Pituitary | Growth Hormone (GH) | Oversecretion stimulates abnormal growth |
| (B) | Thyroid gland | Thyroxine | Lack of iodine in diet results in goitre |
| (C) | Corpus luteum | Testosterone | Stimulates spermatogenesis |
| (D) | Anterior pituitary | Oxytocin | Stimulates uterus contraction during childbirth |
1. (A)
2. (B)
3. (C)
4. (D)
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II |
87%
From NCERT
AIPMT - 2013
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The first stable product of fixation of atmospheric nitrogen in leguminous plants is:
1. Ammonia
2. Nitrite
3. Glutamate
4.
2. Nitrite
3. Glutamate
4.
Subtopic: Nodule formation |
82%
AIPMT - 2013
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