Biology MCQs page 9

Basic Biology Quiz

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81. Which structure is involve in gaseous exchange of plants
(A) stomata
(B) lenticels
(C) cuticle
(D) all of these

82. Common feature of human and insect trachea is
(A) non-collapsiable wall
(B) supporting rings
(C) ectodermal origin
(D) endodermal origin

83. Vomiting occurs due to
(A) constipation
(B) diarrhoea
(C) antiperistalsis
(D) peristalsis

84. Photosynthetic prokaryotes lack
(A) ribosomes
(B) chloroplast
(C) cell-membrane
(D) vacuole

85. Which of the following organ is because of absence of teeth in birds
(A) crop
(B) syrinx
(C) stomach
(D) gizzard

86. The scientific name of jelly fish is
(A) Aurelia
(B) Madrepore
(C) Actinia
(D) Obelia

87. In which plants leaves are always in whorls
(A) lycopsids
(B) psilopsids
(C) sphenopsids
(D) pteropsids

88. In bacterial and viral infection, their is increase in number of
(A) platelets
(B) RBC’s
(C) antibodies
(D) WBC’s

89. In plants, which are involved in testa formation
(A) tracheids
(B) sclereids
(C) sclerenchyma
(D) none of these

90. The etiolated plants lack
(A) chlorophyll
(B) xanthophyll
(C) caroteins
(D) none of these
ANSWERS: BASIC BIOLOGY QUIZ
81. D
82. A
83. C
84. B
85. D
86. A
87. C
88. D
89. B
90. A

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