Biology

Q. The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are : A. Stroma B. Cristae C. Grana D. Stroma lamellae

Q. True nucleus is absent in : A. Volvox B. Anabaena C. Mucor D. Vaucheria

Q. Nuclear Envelope is a derivative of : A. RER B. SER C. Membrane of Golgi complex D. Microtubules

Q. Diploid cells have : Two chromosomes One set of chromosomes Two pairs of chromosomes Two sets of chromosomes