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