During mitosis nuclear membrane and nucleolus begin to disappear at :

Related MCQs

• Complete disintegration of nuclear membrane and nucleolus take place during which stage of mitosis ?
• Which of the following statement is/are correct for prophase of mitosis ? (i) At the end of this phase nuclear membrane and nucleolus disintegrate. (ii) At the end of this phase two chromosome and a centromere holding them together. (iii) This phase begins with the condensation of chromatids along their lengths.
• During which of the following stage of division nuclear membrane and nucleolus reappear ?
• Which of the following statement is/are correct for Meiosis-II ? (i) Chromosomes are arranged on equatorial plate in prophase-II (ii) Nucleolus disappear during telophase-II (iii) In anaphase-II, the chromatids with their independent centromeres are called chromosomes. (iv) In metaphase-II, centromere of each chromosome becomes attached to filament of bipolar spindle.
• The stage of mitosis during which the nucleolus disintegrates and chromosomes appear is known as
• Which option is correct for the correctly matched groups for the column i;column ii and column Column I Column II Column III (a) Resting membrane (i) Na+ Channel get open (e) Na+ and k + pumps are responsible protential for it (b) Active potential (ii) Na+ Channel is closed (f) Last for very short time (c) Depolarization (iii) Na+ ions are more on (g) k + ions move on outerside outer side of membranes (d) Repolarization (iv) K + ions are more on outer (h) Positive charge of inner side of side of membrane membrane
• Cytokinesis is generally, but not always, seen in mitosis. If cells undergo mitosis and do not follow cytokinesis then it would result in :
• During which phase can nucleolus be observed clearly ?
• Match the terms in column-I with suitable terms in column-II Column – I Column – II P PGAL i The plant cell wall Q Oleic acid ii Plasma membrane and membrane of organiles. R Glycerol iii Unsaturated fatty acid S Phospholipid iv Phosphate aldotriose sugar T Cellulose v Trihydroxy alcohol
• Few statements about tympanic membrane are given here which of the following option shows all correct statement for it ? (i) malleus bone join with it (ii) it is oval membrane consist of unstriated muscle (iii) It has cover of skin on its inner side and muscle layer on outerside (iv) It has upper aperture called fenestra roundata