One very special feature in the earthworm Pheretima is that:
 
1. the typhlosole greatly increases the effective absorption area of the digested food in the intestine
2. the S-shaped setae embedded in the integument are the defensive weapons used against the enemies
3. it has a long dorsal tubular heart
4. fertilization of eggs occurs inside the body

Subtopic:  Earthworm |
 55%
From NCERT
AIPMT - 2011
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In unilocular ovary with a single ovule, the placentation is:

1. marginal

2. basal

3. free central

4. axile

Subtopic:  Parts of Flower: III | Flower & Parts of Flower |
 66%
From NCERT
AIPMT - 2010
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The ciliated columnar epithelial cells in humans are known to occur in:
1. bronchioles and fallopian tubes
2. bile duct and oesophagus
3. fallopian tubes and urethra
4. eustachian tube and stomach lining
Subtopic:  Simple Epithelium |
 91%
From NCERT
AIPMT - 2011
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Which of the following is correctly stated as it happens in the common cockroach?
 
1. Oxygen is transported by hemoglobin in blood
2. The nitrogenous excretory product is urea
3. The food is ground by mandibles and gizzard
4. Malpighian tubules are excretory organs projecting out from the colon
Subtopic:  Cockroach: Head & Mouth Parts |
 65%
From NCERT
AIPMT - 2011
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The correct floral formula of chilli is:

1. ⊕⚥K5 CAG(2) 2. ⊕⚥K5 CAG(2)
3. ⊕⚥K(5) C(5)AG(2) 4.  ⊕⚥K(5) CAG(2)

Subtopic:  Families of Flowering Plant: I |
 80%
From NCERT
AIPMT - 2011
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Flowers are zygomorphic in:

1.  gulmohur

2.  tomato

3.  datura

4.  mustard

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 88%
From NCERT
AIPMT - 2011
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A drupe develops in:
1.  wheat
2.  pea
3.  tomato
4.  mango
Subtopic:  Fruits & their Types |
 96%
From NCERT
AIPMT - 2011
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The ovary is half inferior in flowers of:

1.  cucumber

2.  cotton

3.  guava

4.  peach

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 91%
From NCERT
AIPMT - 2011
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The kind of epithelium which forms the inner walls of blood vessels is:
1. cuboidal epithelium
2. columnar epithelium
3. ciliated columnar epithelium
4. squamous epithelium

Subtopic:  Simple Epithelium |
 92%
From NCERT
AIPMT - 2010
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The technical term used for the androecium in a flower of China rose (Hibiscus rosa-sinensis) is:

1. monadelphous 2. diadelphous
3. polyandrous 4. polyadelphous
Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
 81%
From NCERT
AIPMT - 2010
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