IIT JAM Biotechnology

Q.12 The correct hierarchy of taxa in the Linnaean classification of eukaryotes is (A) kingdom, class, phylum, order, family, genus (B) kingdom, order, class, phylum, family, genus (C) kingdom, phylum, order, family, class, genus (D) kingdom, phylum, class, order, family, genus

Q.13 Which one of the following statements about polyploidy is correct? (A) Autopolyploids are derived from a single species (B) Autopolyploids are derived from two different species (C) Allopolyploids are derived from a single species (D) Allopolyploids are not fertile when mated with each other

Q.14 Which one of the following hormones is a tyrosine derivative? (A) Epinephrine (B) Estradiol (C) Progesterone (D) Testosterone

Q.15 Which one of the following immunoglobulins crosses the human placenta? (A) IgA (B) IgE (C) IgG (D) IgM

Q.16 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]: Assertion [a]: The resolving power of a transmission electron microscope is higher than that of the light microscope. Reason [r]: The wavelength of electrons is shorter than that of visible light.

Q.17 Match the morphology in Group I with the corresponding microorganism in Group II: Group I: P. Coccus Q. Rod R. Comma S. Spiral Group II: 1. Treponema 2. Bacillus 3. Neisseria 4. Vibrio

Q.18 Which one of the following genetic crosses and their results indicates cytoplasmic inheritance? (A) Wild-type male  mutant female → 100% progeny are mutant (B) Wild-type male  mutant female → 25% progeny are wild-type (C) Mutant male  wild-type female → 50% progeny are mutant (D) Mutant male  wild-type female → 75% … Read more

Q.19 Which of the following is NOT a characteristic morphological feature of apoptotic cells? (A) Disassembly of nuclear envelope (B) DNA fragmentation (C) Increased cell size (D) Membrane blebbing

Q.4 Which organelle in a eukaryotic cell is the site of the electron transport chain? (A) Endoplasmic reticulum (B) Golgi apparatus (C) Mitochondrion (D) Peroxisome

Q.5 RNA is a polymer of (A) glycosides (B) ribonucleosides (C) ribonucleotides (D) riboses