There is no DNA in:

1.an enucleated ovum2.mature RBCs
3.a mature spermatozoan4.hair root

Subtopic:  Blood: General Description & RBC: Part 1 | Blood: General Description & RBC: Part 2 | Blood: General Description & RBC |
 87%
AIPMT - 2009
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Point mutation involves:

1. insertion

2. change in single base pair

3. duplication 

4. deletion

Subtopic:  Mutation |
 92%
From NCERT
AIPMT - 2009
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Which one of the following has maximum genetic diversity in India?

1. Teak

2. Mango

3. Wheat

4. Tea

Subtopic:  Biodiversity Patterns |
 79%
From NCERT
AIPMT - 2009
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In a standard ECG, which one of the following alphabets is the correct representation of the respective activity of the human heart?

1. R-repolarisation of ventricles

2. S-start of systole

3. T-end of diastole

4. P-depolarisation of the atria

Subtopic:  ECG & Coronary Artery Disease |
 82%
From NCERT
AIPMT - 2009
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Study the pedigree chart given below:



What does it show?

1. Inheritance of a sex-linked inborn error of metabolism
2. Inheritance of a condition like phenylketonuria as an
autosomal recessive trait
3. The pedigree chart is wrong as this is not possible
4. Inheritance of a recessive sex-linked disease like
haemophilia

Subtopic:  Pedigree Analysis: Problem Solving | Mendelian Disorders |
 77%
From NCERT
AIPMT - 2009
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Middle lamella is mainly composed of:

1. hemicellulose 

2. muramic acid

3. calcium pectate

4. phosphoglycerides

Subtopic:  Cell Wall |
 93%
From NCERT
AIPMT - 2009
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Somaclones are obtained by:

1. tissue culture

2. plant breeding

3. irradiation

4. genetic engineering

Subtopic:  Plant Tissue Culture |
 89%
From NCERT
AIPMT - 2009
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Which one of the following plants is monoecious?

1. Marchantia 2. Pinus
3. Cycas 4. Papaya

Subtopic:  Asexual Reproduction | Somatic Hybridization |
 69%
AIPMT - 2009
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Which one of the following is the correct matching of three items and their grouping category?

Items Group
1. Malleus, incus cochlea Ear ossicles
2. Ilium, ischium, pubis Coxal bones of pelvic girdle
3. Actin, myosin rhodopsin Muscle proteins
4. Cytosine, uracil thiamine pyrimidines
Subtopic:  Appendicular Skeleton: Girdle |
 78%
From NCERT
AIPMT - 2009
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Plasmodesmata are:
 

1. lignified cemented layers between cells
2. locomotory structures
3. membranes connecting the nucleus with plasmalemma
4. connections between adjacent cells

Subtopic:  Cell Wall |
 84%
From NCERT
AIPMT - 2009
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