i)In the nucleoplasm there are certain threadlike structures called chromatin fibres. During cell division these chromatin fibres become thick and ribbon-like these fibres are then called chromosomes. It carries genetic characters from parents to the offspring through the union of the egg of the female and the sperm of the male
ii)Two types of plastids are:
- Leucoplasts:They store starch and they are colourless plastids
- Chloroplasts:These are green coloured plastids.They have green coloured pigment called chlorophyll.Their function is to trap solar energy and absorb Carbon dioxide for the manufacture of starch and sugar during photosynthesis. Cloroplasts contains DNA and have the capacity to divide
iii)Lysosome is rich in hydrolase enzyme. You want the function of
iv) ATP: Adenosine Triphosphate
ADP: Adenosine Diphosphate
DNA: Deoxyribonucleic Acid
RNA: Ribonucleic Acid
v) Blood is red in colour due to the hemes of haemoglobin present in blood cells. Constituents of blood are Plasma, Platelets, Red cells,White blood cells
