Mitotic cell division occurs while producing haploid spores.

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

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

How does the Cytokinesis of plant cell happen?

Cell division becomes uncontrolled if the function of checkpoints becomes hampered

The daughter cells are changed and modified in different ways during cell differentiation phase to form tissue, organ and system.

In ____ cell division spindle fibres are not formed.

What is the function of lysosome?

On the basis of the relationship in the first related pair of words, write a suitable word in the gap of the second pair. Purine : Adenine :: Pyrimidine : _____

Which structural part of a chromosome may occur either in the middle or at any one end of the Chromosome? (a) Telomere (b) Nucleolar Organizer (c) Satellite (d) Centromere