Which cells of "Crypts of Lieberkühn" secrete antibacterial lysozyme?

1. Paneth cells

2. Zymogen cells

3. Kupffer cells

4. Argentaffin cells

Subtopic:  Intestinal Secretions |
 66%
NEET - 2017
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Which of the following are not polymeric?

1. Proteins  2. Polysaccharides
3. Lipids 4. Nucleic acids
Subtopic:  Lipids: Fatty Acids |
 77%
From NCERT
NEET - 2017
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Functional megaspore in an angiosperm develops into:

1.  Endosperm 2.  Embryo sac
3.  Embryo 4.  Ovule
Subtopic:  Pistil: Female Gametophyte |
 77%
From NCERT
NEET - 2017
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Myelin sheath is produced by:

1. Astrocytes and Schwann cells

2. Oligodendrocytes and Osteoclasts

3. Osteoclasts and Astrocytes

4. Schwann cells and Oligodendrocytes

Subtopic:  Nervous System |
 83%
NEET - 2017
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Attractants and rewards are required for:

1. Entomophily

2. Hydrophily

3. Cleistogamy

4. Anemophily

Subtopic:  Pollination & Outbreeding Devices |
 79%
NEET - 2017
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Receptor sites for neurotransmitters are present on:

1. Pre-synaptic membrane

2. Tips of axons

3. Post-synaptic membrane

4. Membrane of synaptic vesicles

Subtopic:  Nervous System | Synapse |
 79%
From NCERT
NEET - 2017
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Coconut fruit is a:

1. Berry

2. Nut

3. Capsule

4. Drupe

Subtopic:  Fruits & their Types |
 89%
From NCERT
NEET - 2017
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Adult human RBCs are enucleated. Which of the following statement(s) is/ are the most appropriate explanation for this feature? 

a. They do not need to reproduce 
b. They are somatic cells 
c. They do not metabolize 
d. All their internal space is available for oxygen transport


1. Only (a)
2. (a),(c) and (d)
3. (b) and (c)
4. Only (d)

Subtopic:  Blood: General Description & RBC: Part 1 | Blood: General Description & RBC |
 69%
NEET - 2017
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Capacitation occurs in:

1. Epididymis

2. Vas deference

3. Female reproductive tract

4. Rete testis

Subtopic:  Fertilization: Part 1 | Fertilization |
 79%
NEET - 2017
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Asymptote in a logistic growth curve is obtained when:

1. K = N

2. K > N

3. K < N

4. The value of 'r' approaches zero

Subtopic:  Population: Logistic Growth Model |
 76%
From NCERT
NEET - 2017
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