Certain proteins or mRNAs that are regionally localized within the unfertilized egg and regulate development are called (1) gene regulators. (2) morphometric determinants . (3) cytoplasmic determinants. (4) mosaic forming […]
Author: admin
CSIR NET Life Science Previous Year Questions and Solution on EXTENSION OF MENDELIAN PRINCIPLES (62)
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Function of Cortical Granules in Egg Cytoplasm: The Key to Preventing Polyspermy
8. The major function of cortical granules in cytoplasm of egg is to (1) Early block to polyspermy (2) Late block to polyspermy (3) Allowing meiosis to complete (4) Helping […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Understanding Specification and Determination in Animal Development
Following statements are being made regarding specification determination during animal development: A. During the course of commitment, the cell may not appear different from its nearest or most distant neighbors […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Conditional Specification and Its Role in Regulative Development
With respect to development of any organism, “conditional specification” would result in which type of development? (1) Regulative (2) Mosaic (3) Syncytial (4) Definitive Conditional specification is a vital process […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Understanding Capacitation and Fertilization: Identifying the Incorrect Statement About Calcium’s Role in Mammalian Egg Activation
7. Which one of the following statements is INCORRECT? (1) Transient rise in Ca2+ is necessary for egg activation in mammals. (2) Sperm induces egg activation and does not involve […]
CSIR NET Life Science Previous Year Questions and Solution on Basic Concepts of Development
Autonomous Specification and Its Role in Mosaic Development
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 […]
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, […]
