Developmental Biology MCQs on Animals

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

1. : The process by which organisms grow and develop is studied in?
(A) Genetics
(B) Developmental biology
(C) Evolution
(D) Ecology

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

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

4. : Which process is by which unspecialized cells become specialized into different cell types?
(A) Proliferation
(B) Apoptosis
(C) Differentiation
(D) Mitosis

5. : Invagination of the blastula during embryonic development produces?
(A) Blastocyst
(B) Gastrula
(C) Morula
(D) Zygote

6. : A hollow ball of cells that undergoes several rounds of cell division is?
(A) Morula
(B) Blastula
(C) Blastocyst
(D) Gastrula

7. : The process during which the zygotic phase ends with a multicellular embryo is?
(A) Fertilization
(B) Cleavage
(C) Gastrulation
(D) Neurulation

8. : In the blastocyst, which layer of cells will form the embryonic part of the placenta?
(A) Trophoblast
(B) Endoderm
(C) Ectoderm
(D) Mesoderm

9. : Which structure connects the developing fetus to the placenta?
(A) Amniotic sac
(B) Umbilical cord
(C) Chorion
(D) Allantois

10. : Which process results in the splitting of a single fertilized egg into two embryos?
(A) Cleavage
(B) Fission
(C) Budding
(D) Regeneration