Write the name of the chemical constituents of eukaryotic chromosome with the help of a table. What happens to a cell when the cell loses control at different points in cell cycle on division ? [3+2=5] OR What events occur during Anaphase stage of mitotic cell division ?Show the steps of sexual reproduction of flowering plants with the help of word diagram. [3+2=5]

Write one function each of the following five parts of a neuron: [1×5=5] (a) Dendron (b) Axon (c) Myelin Sheath (d) Schwann Cell (e) Node of Ranvier Or Write one function each of the following five parts of an eukaryotic chromosome: [1×5=5] (a) Chromatid (b) Centromere (c) Nucleolar Organizer (d) Satellite (e) Telomere

Draw a scientific diagram of neuron and label the following parts: [3+2=5] (a) Dendron (b) Myelin Sheath (c) Schwann Cell (d) Node of Ranvier OR Draw a scientific diagram of eukaryotic chromosome and label the following parts: [3+2=5] (a) Centromere (b) Satellite (c) Nucleolar Organizer (d) Telomere

Mitotic cell division occurs while producing haploid spores.

Spindle fibres and chromosomes are not formed in the ____ cell division.

In a certain phase of mitosis nuclear reticulum is reconstructed, nuclear membrane reappears, regeneration of nucleolus takes place and Spindle fibre disappears. What is the phase? (a) Prophase (b) Telophase (c) Metaphase (d) Anaphase

Prepare a list of sites of occurrence of meiotic cell division in plants as well as in animals.

Explain the process of segmentation with the help of a proper example of plants.

Mention any two phenomena during G1 phase of Interphase.

Write two features of Amitotic cell division.

Compare DNA and RNA on the basis of the following features — (a) Nature of carbohydrate (b) Nature of pyrimidine base

Show the chemical constituents of chromosomes with the help of a table.