111. Darwin himself bred
(a) Pea plants
(b) Pigeons
(c) Wild mustard
(d) Tomatoes
112. Evolution through mutation was suggested
(a) Malthus
(b) Lyell
(c) Darwin
(d) De Vries
113. One of the followings is crucial to the ecosystem because they recycle nutrient from the organism back to the environment
(a) Omnivores
(b) Carnivores
(c) Top carnivores
(d) Decomposers
114. In the eye, colour vision is affected by the presence of
(a) Choroid coat
(b) Sclerotic coat
(c) Rods
(d) Cones
115. What do calories measure?
(a) Weight
(b) Heat
(c) Movement
(d) Temperature
116. All the metabolic reactions in the organisms are catalyzed by
(a) Vitamins
(b) Hormones
(c) Enzymes
(d) Minerals
117. The membranous labyrinth of the ear is filled with
(a) Lymph
(b) Endolymph
(c) Serum
(d) None of the above
118 Which of the following enzymes is present in the saliva?
(a) Bile
(b) Ptyalin
(c) Pepsin
(d) Rennin
119. The terminal part of vertebral column in man is called
(a) Telson
(b) Urostyle
(c) Coccyx
(d) Pygostyle
120. The heart beat is initiated and regulated by nodal tissue made of specialized cardiac muscles called
(a) Alveolar tissue
(b) Purkinje tissue
(c) Spongy tissue
(d) None of the above