Unit 3 class 5th

Unit   3                        class 5th
1 Where reproductions occur?
Ans  Reproduction occurs in flowers.
2 When seeds are formed?
Ans  Seeds are formed during reproduction.
3 What is a cotyledon?
Ans  A cotyledon is a small leaf inside the seed. It supplies food t the embryo of plant inside the seed.
4 What is seed coat or testa?
Ans  The outer covering of the seed is a  tough and hard coat.it is called seed coat or testa.
5 What is micropyle?
Ans There is a hole in the testa for the absorption of water.this hole is called micropyle.
6 What is embryo?

Unit 2 class 5th science

Unit         2              class                     5th                      science
1 What are microorganisms?
Ans The organism which cannot seen with naked eye. They are very small. Their body consists of only one cell.
2 Write major groups of microorganisms?
Ans Microorganism include three major groups.1.all viruses 2.all bacteria3.some fungi
3 What are viruses?
Ans The smallest particles that cause infection are called viruses.
4 How viruses is different from all other living organisms.
Ans A virus does not have a cell in its body.
5 What is host?