Biology Quizzes

Biology Quizzes from 56 to 60

56. The chromosome is
(A) gene
(B) genes + protein
(C) DNA + genes
(D) gene + protein

57. The human body contains water
(A) 60-80%
(B) 70-90%
(C) 75-95%
(D) 80-90%

58. Environment is a source of
(A) food
(B) shelter
(C) clothing
(D) all of these

59. Fresh water ecosystem covers
(A) 2%
(B) 1%
(C) 3%
(D) 5%

60. Foul smell in lake is produced by
(A) algae
(B) bacteria
(C) fungi
(D) all of these

ANSWERS: BIOLOGY QUIZZES
56. (B) genes + protein
57. (B) 70-90%
58. (D) all of these
59. (B) 1%
60. (D) all of these