With respect to development of any organism, “autonomous specification” would result in which type of development? (1) Regulative. (2) Syncytial. (3) Mosaic. (4) Definitive. Autonomous specification is a crucial concept […]
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CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Understanding Capacitation: The Maturation Process of Mammalian Sperm in the Female Reproductive Tract
Which statement is correct for capacitation? (1) is the maturation of mammalian spermatozoa after entering into oviduct of female. (2) Meiotic division in egg after penetration of sperm (3) Maturation […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Understanding Embryonic Specification: Autonomous vs Conditional and Morphogenic Specification
If you remove a set of cells from an early embryo, you observe that the adult organism lacks the structure that would have been produced from those cells. Therefore, the […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Biggest Disadvantage of Sexual Reproduction Compared to Asexual Reproduction
The biggest disadvantage of sexual reproduction against the asexual reproduction is (1) Only half of genetic material is passed to offspring from each parent (2) Lot of energy and time […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Understanding Cell Fate Determination: The Role of Induction and Cell Interactions
The ability of cells to achieve their respective fates by interacting with other cells is known as (1) autonomous specification (2) conditional specification (3) induction (4) competence In embryonic development, […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Fertilization Explained: How Membrane Fusion of Sperm and Egg Leads to Zygote Formation
Fertilization happens when a sperm cell successfully meets an egg cell in the fallopian tube. Zygote formation by sperm and egg is result of – (1) membrane fusion (2) exocytosis […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Understanding Prospective Potency and Fate in Regulative Development
In regulative development, the prospective potency of cells (1) Equal to prospective fate (2) More than prospective fate (3) Lesser than prospective fate (4) Not determined In embryology, the terms […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Understanding Cell Fate: Determined, Committed, Totipotent, or Differentiated?
In an early embryonic transplantation experiment prospective skin cells were transferred near future muscle cell but then also it differentiates into skin cell. The cell would be termed (1) Determined […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Sequence of Events After Sea Urchin Sperm Binds to Egg: What Happens Last?
3. Which of the following is the last to occur after the binding of a sea urchin sperm to an egg? (1) Initiation of mRNA synthesis (2) Increase in cytosolic […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Mosaic Developmental Pattern Explained: Autonomous or Conditional?
Mosaic developmental pattern is always (1) Autonomous (2) Non autonomous (3) Conditional (4) Regulative Mosaic developmental pattern is a fundamental concept in embryology describing how cells in an embryo acquire […]
