Notochord develops from embryonic:
1. ectoderm
2. mesoderm
3. endoderm
4. archenteron

Subtopic:  Embryonic Development till Gastrulation | Fetal Development & Parturition |
 56%
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An infant can get passive immunity from:

1. infection 2. colostrum
3. anti-Rh Ig 4. vaccination with live vaccines
Subtopic:  Active & Passive Immunity |
 85%
From NCERT
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Morula stage is:
1. the stage of implantation
2. a hollow ball of cells enclosing a fluid filled space
3. a collection of 16-32 cells resembling a raspberry
4. a group of cells that do not undergo cleavage divisions

Subtopic:  Embryonic Development till Gastrulation |
 67%
From NCERT
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Chorion in terrestrial vertebrate embryos:

1. prevents desiccation of the embryo
2. helps in the exchange of oxygen and carbon dioxide with the environment
3. perform excretory functions
4. acts as a shock absorber
Subtopic:  Embryonic Development till Gastrulation | Fetal Development & Parturition |
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In humans, the majority of the placenta is formed by:
1. allantois
2. amnion
3. chorion
4. yolk sac

Subtopic:  Fetal Development & Parturition |
 52%
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The functions of the placenta include:

I: Acts as an excretory organ.
II: Acts as a respiratory organ.
III: Acts as an endocrine organ.
 
1. I and II only 2. I and III only
3. II and III only 4. I, II, and III
Subtopic:  Fetal Development & Parturition |
 74%
From NCERT
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Human bones develop from embryonic:
1. ectoderm
2. endoderm
3. epiderm
4. mesoderm

Subtopic:  Fetal Development & Parturition |
 52%
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Human lungs develop from embryonic:
1. ectoderm
2. endoderm
3. epiderm
4. mesoderm

Subtopic:  Fetal Development & Parturition |
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During cleavage divisions, successive blastomeres:

1. have a decreasing nuclear/cytoplasmic ratio

2. become smaller and smaller

3. grow larger and larger

4. undergo meiotic divisions.

Subtopic:  Embryonic Development till Gastrulation |
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Human nervous system is derived from embryonic:

1. ectoderm

2. endoderm

3. epiderm

4. mesoderm

Subtopic:  Embryonic Development till Gastrulation | Fetal Development & Parturition |
 54%
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