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
Q. Mitochondria and chloroplast are(i) semi-autonomous organelles(ii) formed by division of pre-existing organelles and they contain DNA but lack protein-synthesizing machinery Which of the following statements are correct? A. Both…