Author: neetexam

Q. Nissl bodies are mainly composed of : A. Proteins and lipids B. DNA and RNA C. Nucleic acids and SER D. Free ribosomes and RER

Q. Select the incorrect match : A. Lampbrush chromososmes- diplotene bivalents B. Allosomes- sex chromososmes C. Submetacentric chromososmes- L- shaped chromososmes D. Polytene chromososmes- oocytes of amphibians

Q. Which is the most common mechanism of genetic variation in the population of sexually reproducing organisms? (a) Recombination (b) Transduction (c) Chromosomal aberration (d) Genetic drift

Q. Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP? A. Ribosome B. Chloroplast C. Mitochondrion D. Lysosome