Developmental Biology MCQs on Animals
1. The process by which organisms grow and develop is studied in?
A) Genetics
B) Developmental biology
C) Evolution
D) Ecology
Answer: B) Developmental biology
2. During embryonic development, what is the three-layered structure that forms and gives rise to the various tissues and organs in an animal?
A) Epidermis
B) Mesoderm
C) Endoderm
D) Ectoderm
Answer: B) Mesoderm
3. Which process involves the programmed death of cells during development, essential for shaping tissues and organs?
A) Mitosis
B) Meiosis
C) Apoptosis
D) Differentiation
Answer: C) Apoptosis
4. —— is a process by which unspecialized cells become specialized into different cell types?
A) Proliferation
B) Apoptosis
C) Differentiation
D) Mitosis
Answer: C) Differentiation
5. Invagination of the blastula during embryonic development produces?
A) Blastocyst
B) Gastrula
C) Morula
D) Zygote
Answer: B) Gastrula
6. Hollow ball of cells that undergoes several rounds of cell division is?
A) Morula
B) Blastula
C) Blastocyst
D) Gastrula
Answer: B) Blastula
7. The process during which zygotic phase ends with a multicellular embryo is
A) Fertilization
B) Cleavage
C) Gastrulation
D) Neurulation
Answer: B) Cleavage
8. In the blastocyst, —–layer of cells will form the embryonic part of the placenta?
A) Trophoblast
B) Endoderm
C) Ectoderm
D) Mesoderm
Answer: A) Trophoblast
9. A structure that connects the developing fetus to the placenta?
A) Amniotic sac
B) Umbilical cord
C) Chorion
D) Allantois
Answer: B) Umbilical cord
10. —— process results in the splitting of a single fertilized egg into two embryos?
A) Cleavage
B) Fission
C) Budding
D) Regeneration
Answer: B) Fission