(1). Which of the following does not contribute to protein diversity? a. RNA editing b. RNA splicing c. RNA interference d. Alternative initiation of translation (2). Enzymes act by: a. Increasing the activation energy for a reaction b. Lowering the activation energy for a reaction c. Increasing the free energy […]
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MCQ on Mitochondria (Cytology MCQ 01)
Mitochondria are double-membraned organelles found in most eukaryotic cells. They generate energy in the form of ATP through cellular respiration, and have their own DNA. They play a crucial role in metabolism, calcium signaling, and programmed cell death, and are implicated in various diseases and aging processes. This MCQ on […]
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CSIR NET Life Sciences Question paper June 2015 with Answer Key and Explanations Part II (Part B Question 41 – 55)
COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (CSIR) & UGC (Original Question Paper) PART: B (Questions 41 – 55) 41. Which of the following statements about LEAFY (LFY), a regulatory gene in Arabidopsis thaliana, is correct? a. LEAFY (LFY) is involved in floral meristem identity b. LEAFY (LFY) is […]
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CSIR JRF NET Life Sciences December Model Questions (02)
(1). Arabidopsis and rice have diploid chromosome number of 10 and 24, respectively. Assuming no crossing over taking place, genetic variation among F2 individuals in a genetic cross is likely to be: a. Same in both species but not zero b. More in Arabidopsis c. More in rice d. Zero […]
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Sample Paper for CSIR NET Life Science
(1). A electron microscope has higher resolution as compared to the light microscope. This is because: a. The wavelength of an electron is longer than the wavelength of light b. The wavelength of an electron is shorter than the wavelength of light c. The electrons can penetrate the sample better […]
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