Junior Coach Football (Sports Youth Department) 2016

Total Questions: 100

31. Turning of milk into curd at room temperature involves -

Correct Answer: (2) Chemical change
Solution:When a substance combines with another substance to form a new substance it is called chemical change like: turning of milk to curd at room temperature.

32. The decomposition of vegetable matter into compost is an example of-

Correct Answer: (1) Exothermic process
Solution:Exothermic process is a chemical reaction in which heat emission occurs.

33. ZnO is an amphoteric oxide because-

Correct Answer: (3) It reacts with both acid and base
Solution:Zno reacts with both acid and base.

34. LiCl is soluble in organic solvent due to

Correct Answer: (4) Covalent bonding
Solution:When a chemical bond is formed as a result of the sharing of electrons between two atoms, it is called covalent bond.

35. When HCI is added to copper oxide then-

Correct Answer: (4) Blue-green compound is formed
Solution:Blue-green compound is formed.

36. The nutrition in fungus is-

Correct Answer: (4) Saprophytic
Solution:Mucor is a type of fungus. it is divided into many branches to form fungal webs. The nutrition in it is saprophytic.

37. Which of the following is connected with transport of water in plants?

Correct Answer: (2) Xylem
Solution:Xylum-This tissue is found in the root, stem and leaves of plants.

38. Main function of kidney is -

Correct Answer: (4) Both (1) and (2)
Solution:Main function of kindey is selective reabsorption and utra filtration along with micro filtration.

39. Which one is correct about magnification produced by a concave mirror?

Correct Answer: (4) It may be less than one or greater than one
Solution:The magnification produced by a concave mirror may be less than one or greater than one.

40. A white light falls on a glass prism, the least distracted color is-

Correct Answer: (3) Red
Solution:When sun light passes through a prism. It has the highest deflection of voilet color and the lowest deflection of red color.