If you are provided with root-tips of onion in your class and are asked to count the chromosome, which of the following stage can you most conviently look into

Related MCQs

• How many chromosome number are seen in Onion and Housefly during meiosis ?
• Match the following using salient features of Human genome project A B (P) Less than 2 % genome (i) 3 billion nucleotide bases (Q) Chromosome 1 (ii) 231 genes (R) Y chromosome (iii) 2968 genes (S) Human genome (iv) codes for protein
• When synapsis is completed all along the chromosome, the cell is said to have entered a stage called :
• Statement – P : G1 stage is the last stage or interphase. Statement – Q : Systhesis of DNA takes place in G2 stage.
• Select the correct pair (P) Onion (I) tubers (Q) pea (ii)phylloclade (R) Potato (iii) tunicated bulb (S) muehlenbeckia (iv)foliaceous stipules (P) (Q) (R) (S)
• 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.
• Which one of the following is the major component of chromosome?
• 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.
• Match the following : Coulmn-I Coulmn-II (A) Laptotene (i) Nucleolus disappears (B) Zygotence (ii) Appearance of recombination nodules (C) Pachytene (iii) Develoment of Synapsis (D) Diplotene (iv) Chromosome appears filamentous (E) Daikinesis (v) Genes exchange at chaismata
• A gene located an y - chromosome and therefore, transmitted from father to son is known as