31. Plants make, their own ,food through, a process ,called: ________________________?
(a) Respiration
(b) Fertilization
(c) photosynthesis
(d) pollinate
32. The “small pore or openings” in leaves, that take, in the carbon dioxide, is called: __________?
(a) Stomata
(b) lamina
(c) phloem
(d) petiole
33. The suitable, range of temperature, for photosynthesis, that animal, need?
(a) Sc-15c
(b) 15c- 45c
(c)25c-35c
(d)10c-25c
34. Identify the, Abiotic component, in the, following’?
(a) Lion
(b) apple
(c) water vapours
(d) beetle
35. The “relationship between two organisms” where both a, benefited and, neither is,
harmed is called: ________________________?
(a) Predation
(b)Mutualism
(c) Parasitism
(d) none of these
36. “Mosquito feeding” on human, blood is an, example of: ___________________?
(a) Predation
(b) Mutualism
(c) Parasitism
(d) none of theses
37. There are: _________________________ types of natural, environment?
(a) Five
(b) three
(c) two
(d) one
38. The “symbol” used for, sodium is: _____________________?
(a) S
(b) Sd
(c) Na
(d) N
39. The Constituent, elements washing, soda are: __________________-?
(a)Carbon & oxygen
(c) Sodium & Oxygen
(c) sodium, carbon & Oxvgen
(d) sodium & oxygen
40. Which of, these in, not mixture?
(a)Water
(b) air
(c) tea
(d) alloy
