The nuclear membrane disintegrates and spindle appears at :

Related MCQs

• 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
• The stage of mitosis during which the nucleolus disintegrates and chromosomes appear is known as
• Which part of the male gametophyte, disintegrates before fertilization ?
• 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
• Match A and B : A B (p) Simple diffusion (i) Uphill transport (q) Faciliate diffusion (ii) Membrane protein that have a hydrophilic moiety. (r) Active transport (iii) Membrane protein that have a hydrophabic moiety. (s) Water potential. (iv) The potential energy. (v) Passive transport p q r s
• Match the following : Coulmn-I Coulmn-II (A) Cytokinesis (i) Reformation of nuclear Membrane and golgi body (B) Metaphase (ii) Synthesis of RNA and protein (C) Telophase (iii) Centromers of chmosomes are arranged on equatorial plate. (D) Interphase (iv) Contraction of chomosomes starts (v) The formation of synctium
• 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.
• Match the following : Coulmn-I Coulmn-II (A) Prophase (i) Nuclear membrane and other orgenelles reorganise (B) Metaphase (ii) Arrangement of chromatids on the poles (C) Anaphase (iii) Formation of cytoplasmic fibres of proteins (D) Telophase (iv) Arranged on equatorial plane (E) Cytokinesis (v) The formation of syncytium
• During which of the following stage of division nuclear membrane and nucleolus reappear ?