Menstrual flow occurs due to the lack of:
1. FSH
2. Oxytocin
3. Vasopressin
4. Progesterone

Subtopic:  Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
 83%
From NCERT
AIPMT - 2013
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The characteristics and an example of a synovial joint in humans are:

Characteristics Examples
1. Fluid-filled between two joints, provides cushion  Skull Bones
2. Lymph filled between two bones, limited motion Gliding joint between carpals
3. Fluid-filled synovial cavity between two bones Joint between atlas and axis
4. Fluid cartilage between two bones, limited motion Knee joint
Subtopic:  Synovial Joint |
 75%
From NCERT
AIPMT - 2013
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Isogamous condition with non-flagellated gametes are found in:
1. Spirogyra
2. Volvox
3. Fucus
4. Chlamydomonas
Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
 87%
AIPMT - 2013
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A stage in cell division is shown in the figure. Select the answer which gives the correct identification of the stage with its characteristics:
 

1.

Late anaphase

Chromosomes move away from the equatorial plate, Golgi complex not present

2.

Cytokinesis

Cell plate formed, mitochondria distributed between two daughter cells

3.

Telophase

Endoplasmic reticulum and nucleolus not reformed yet

4.

Telophase

Nuclear envelop reforms, Golgi complex reforms

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
 74%
From NCERT
AIPMT - 2013
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Seed coat is not thin, membranous in:
 
1. Coconut
 
2. Groundnut
 
3. Gram
 
4. Maize

 

Subtopic:  Seed |
AIPMT - 2013
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The diagram given here is the standard ECG of a normal person, The P - wave represents the:

170951
1. Initiation of the ventricular contraction
2. Beginning of the systole
3. End of systole
4. Contraction of both the atria
Subtopic:  ECG & Coronary Artery Disease |
 76%
From NCERT
AIPMT - 2013
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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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