5 Most sensitive part of Photosynthesis is (1) PS-I (2) PS-II (3) Carboxylation reaction (4) Photolysis of water Photosynthesis Sensitivity: Key Steps Under Stress Introduction Key phrase: most sensitive part […]
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CSIR NET Life Science Previous Year Questions and Solution PHOTOSYNTHESIS
Mobile Protein Component Between PSII and PSI
4 Which protein component is mobile in between PS II and PS I ? (1) PC (2) PQ (3) Cytochrome F6 (4) Ferrodoxin The correct answer is (1) […]
CSIR NET Life Science Previous Year Questions and Solution PHOTOSYNTHESIS
Chlorophyll Structure: True and False Statements
3. Which of the following statements regarding chlorophyll is NOT correct? (1) Chlorophyll-a has a —CH3 group in its porphyrin-like ring structure. (2) Chlorophyll-b has -CHO group in its porphyrin-like […]
CSIR NET Life Science Previous Year Questions and Solution PHOTOSYNTHESIS
Photosystem Structure Explained
A photosystem contains which of the following? (1) One photochemical reaction centre and multiple antennae (2) Multiple photochemical reaction centres and one antenna (3) One photochemical reaction centre and one […]
CSIR NET Life Science Previous Year Questions and Solution PHOTOSYNTHESIS
Absorption Spectra of Chlorophyll and Carotenoids
The figure below depicts the absorption spectra of chlorophylls and carotenoid over a range of Which one of the following combinations best describes A, B and C from the absorption […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Sex Determination in Mammalian Bipotential Genital Ridge: Key Genetic Pathways and Misconceptions
The mammalian genital ridge is bipotential. Which one of the following statements regarding determination of the fate of genital ridge is INCORRECT? (1) The activation of Sox9 gene promotes testis […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Sex Determination in Drosophila melanogaster: Understanding the X:A Ratio and Gene Function
Following statements were made about sex determination in Drosophila melanogaster A. It is achieved by a balance of female determinants on the X-chromosome and male determinants on the autosomes. B. […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Role of Sex-lethal (Sxl) Gene and Its Splicing Regulation in Drosophila Sex Determination
A mutant embryo of Drosophila in which one of the major sex determining gene, sex lethal, can only undergo default splicing, was allowed to develop. The following statements are towards […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Sex-lethal (Sxl) Gene Regulation Mechanism in Drosophila
Sxl genes of Drosophila regulate expression at (1) Transcriptional level (2) Post transcriptional level (3) Translational level (4) post translational level Introduction Sex determination in Drosophila hinges on the function […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Location of Male-Determining Genes on the Y Chromosome: Short Arm vs Long Arm
Individuals having X chromosome and short arm of Y chromosome are male while individuals having X chromosome and long arm of Y chromosome are female. This suggest that (1) Genes […]
