Biology

Q. Chromatin is chemically made of : Nucleic acid, histone and non-histone proteins Nucleic acid and histone proteins Nucleic acid and non-histone proteins Nucleic acid.

Q. Colchicine is called cell poison as it : a) Brings about lysis of cellb) Stops gamete formationc) Inhibits spindle formationd) Ruptures cell membrane causing outflow of cytoplasm

Q. Mitosis is the process by which eukaryotic cells : (a). Grow (b). Multiply (c). Expose the genes for protein synthesis (d). Become specialized in structure and function.

Q. Meiosis can be observed in : (a). Tapetal cells (b). Megaspores (c). Microspores (d). Spore mother cells