Available Answers

1. 1.

   Fill in the blanks.

   1. The force with which sap is pulled up by plants is called __________________.
   2. A mass of unorganised cells growing in a nutrient medium is called _______________.
   3. Fertilization takes place in the fallopian tubes or _______________.
   4. Living organisms that cannot make their own food but consume either plants or other animals, are called consumers or _______________.
   5. Endocrine glands are also called _______________ glands because they do not have their own ducts.
2. 2.

   Write true or false. Correct the false statements.

   1. Xylem is the food-conducting tissue in plants.
   2. Under-secretion of growth hormones may lead to a condition called dwarfism.
   3. Non-living things in the environment are called its biotic components.
   4. Animals that eat other living animals are called carnivores or secondary consumers.
   5. The chemicals secreted by exocrine glands are called hormones.
3. 3.

   Differentiate between Osmosis and Diffusion.

4. 4.

   Differentiate between Diffusion and Active transport.

5. 5.

   Differentiate between Cutting and Grafting.

6. 6.

   Differentiate between Food chain and Food web.