Biology

Q. Pits found in cell wall are due to lack of : (a). Middle lamella (b). Cell plate (c). Primary wall material (d). Secondary wall material

Q. Lampbrush chromosomes found in oocytes occur in : (a). Leptotene (b). Zygotene (c). Pachytene (d). Diplotene

Q. Cell recognition and adhesion occur due to biochemicals of cell membranes named ? (a). Proteins (b). Lipids (c). Proteins and lipids (d). Glycoproteins and glycolipid

Q. Which one forms nucleolus (a). Vesicles of ER (b). SAT chromosome (c). RNA (d). Nuclear membrane Correct Option is B