Write True or False:
1. Reforestation causes global warming.
2.Endangered animals are not seen on the earth any more.
3. Nerve cells are irregular.
4. The smallest cell is 0.1 to 0.5 micrometer in bacteria.
5. Jelly-like substance present between the cell membrane and the nucleus.
Answer in one word:
1. Invitro fertilization takes place inside the
2. Cutting down off forest.
3. Who discovered cell?
4. A group of similar cells (tissue) performing a specific function is known as.
5.The organisms are made up of a single cell is called ........................
B.Fill in the blanks:
1. Green coloured plastics are called.........................
2. Binary fission is a method of .................
3. The basic structural unit of an organism is ..................
4. The longest cell is the (egg) of...............
5. The central dense round body in the central is called the .........................
Give two example of the each:
1. Oviparous animals .......................
2. Multicellular organisms .....................
3. Prokaryotes .....................
4. Animals that reproduce asexually ....................
5. Animals that undergo metamorphosis ....................
Answers
Answer:
Hope it helps.. ☺☺
Explanation:
1. True ( I think it's deforestation)
2. See I think it's false coz there are endangered not extinct that's why I think False
3. False
4. True
5. True it's I think not jelly like it semi fluid
Answer is one word
2. The conversion of forests into agricultural land is a big reason for deforestation. Due to overgrowing demand for food products, many trees are chopped down for crops and for cattle grazing.
3. Robert Hooke
4. Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system.
5. Unicellular organisms
Fill In the Blanks
1. Chloroplast
2. Binary fission, asexual reproduction by a separation of the body into two new bodies.
3. Cell
4. Ostrich
5. The central dense round body in the centre is called the nucleus.
Give 2 examples of each
1. fish, amphibians, reptiles, insects
2. Trees and humans
3. Bacteria, Algae
4. Animals that reproduce asexually include planarians, many annelid worms including polychaetes and some oligochaetes, turbellarians and sea stars.
5. Some insects, fish, amphibians, mollusks, crustaceans, cnidarians, echinoderms, and tunicates undergo metamorphosis, which is often accompanied by a change of nutrition source or behavior.