26.Which of the following animals resembles most to human beings in terms of physical and mental capabilities ?

27.Which of the following is used as a preservative in tomato sauce ?

28.Minamata disease is caused by

29.Which of the following statements about fertilisers are true ? 1. They ae nutrient specific. 2. They do not provide any humus to the soil. 3. Tyey are absorbed slowly by the plants as they are not much soluble in water.

30.If all the plants of the world die, all the animals will also die due to shortage of