1. Mesoderm
2. Ectoderm
3. Endoderm
4. Both (b) and (c)
Ectoderm
1. Fertilization
2. Movement of sperm
3. Excretion
4. None of these
Fertilization
1. Total
2. Spiral
3. Incomplete
4. Horizontal
Incomplete
1. Diffuse
2. Zonary
3. Cotyledonary
4. Discoidal
Discoidal
1. Spiral cleavage,blastopore becoming anus
2. Spiral cleavage,blastopore becoming mouth
3. Radial cleavage, blastopore becoming anus
4. Radial cleavage, blastopore becoming mouth
Radial cleavage, blastopore becoming anus
1. Henson’s line
2. Diencephalon
3. Allantois
4. Primitive streak
Allantois
1. Liver,musceles,brain
2. Liver,bones,brain
3. Liver,spinal cord,skin
4. Skin,spinal cord,brain
Skin,spinal cord,brain
1. Notochord
2. Epidermis
3. Internal ear
4. Branchial arches
Notochord
1. Between egg growthand ovulation
2. Of fertilization
3. Between fertilization and parturition
4. Between preparation and parturition
Between fertilization and parturition
1. Optic nerve
2. Middle ear
3. Inner ear
4. Skin
Middle ear