CBSE Class Notes Online – Classnotes123
CBSE Class Notes and Question Answers Online – Classnotes123
The Indian desert The Indian desert lies towards Western margins of the Aravali Hills. It receives less than 150 millimeter rainfall annually. It consists of wave like Sandy Plains with …
Read MoreWhat are lysosomes? Lysosomes are membrane bound cell filled with digestive enzymes which helps in waste disposal system of the cell. Where are lysosomes located? Lysosomes are found in Eukaryotic …
Read MoreOne-word Answer Questions Q1.Name the tissue that forms the inner lining of our mouth? Ans1.Simple squamous epithelium Q2. Name the tissue that connects muscles to bone in humans? Ans2.Tendon. Q3. Name …
Read MoreWhat is a vacuole in the cell? Vacuoles are storage sacs or cavities in which solid or liquid is stored in the cell. It contain fluid called cell SAP, which consists …
Read MoreShort answer Questions Q1. What is hypotonic solution? Ans1. A solution having solute concentration lower than that of the cell SAP is called hypotonic solution. Q2.What is isotonic solution? Ans2. …
Read MoreWrite short answers Q1.Why do we need food ? Ans 1.We need food to Grow Get energy to work , keep us fit and healthy and to stay alive. Q2.Name …
Read MoreGymnosperm Angiosperms Gymnosperms are non-flowering plants whose seeds are naked. Angiosperms are flowering plants whose seeds are enclosed in the fruit. The seeds of gymnosperms are not enclosed and are found on …
Read MorePoriferan Animals Coelenterate Animals Poriferan animals have minute pores called ostia all over the body and a large opening called osculum at the top. Coelenterate animals have single pore called coelenteron. Body is made up of …
Read MoreWhat is Golgi apparatus ? Golgi apparatus is membranous flattened sacs or vesicles which are arranged approximately parallel to each other in stacks called Cisterns. It is also called as …
Read MoreProkaryotic cell Eukaryotic cell Prokaryotic cells are generally small in size. Eukaryotic cells are comparatively larger in size. The nuclear material is undefined having no nuclear membrane and is called …
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