91) The persons whose blood has a reduced capacity of delivering oxygen to tissues suffer from:
(A) Hemophilia
(B) Sickle cell Anemia
(C) Hemophilia
(D) Anemia
92) Who among these was produced by genetics engineering?
(A) Jersey-Sahiwal cow
(B) Dhani ox
(C) Nacy sheep
(D) None of these
93) Which one of the followings is produced by hybridization and selective breeding?
(A) Neeli-Ravi Buffalo
(B) Rahu-Thaila hybrid
(C) Sahiwal Ox
(D) All these
94) Which one of the following is hereditary disease?
(A) Polio
(B) Cholera
(C) Typhoid
(D) Hemophilia
95) Colorblind person cannot distinguish red from:
(A) Yellow
(B) Blue
(C) Green
(D) White
96) Who proposed theory of continuous and gradual evolution of life from simple to complex?
(A) Aristotle
(B) Hugo de Vries
(C) Thomas Malthus
(D) Charles Lyell
97) Darwin himself bred:
(A) Pea plants
(B) Pigeons
(C) Wild mustard
(D) Tomatoes
98) Evolution through mutation was suggested by:
(A) Malthus
(B) Lyell
(C) Darwin
(D) De Vries
99) 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) De composers
100) In the eye, colour vision is affected by the presence of:
(A) Choroid coat
(B) Sclerotic coat
(C) Rods
(D) Cones