81. Vermiform appendix in man, nictitating membrane and wisdom teeth are ______.
A. homologous organs
B. analogous organs
C. vestigial organs
D. none of the above
Answer : Option C
82. Which one of the following terms would most correctly describe the relationship between the flight organs of animals like locust, bat, swallow, and flying fish ?
83. Appearance of facial hair in some people is an example of
84. A living connecting link which provides evidence for organic evolution is ______.
A. Archeopteryx between reptiles and mammals
B. lung fish between pisces and reptiles
C. duck billed platypus between reptiles and mammals
D. Sphenodon between reptiles and birds
Answer : Option C
85. Von baer supports the theory of evolution
A. embryological character
B. germs layers
C. somatic variations
D. genetic variations
Answer : Option A
86. Which of the following bird will be called most successfully evolved ?
A. Lays 2 eggs, 2 hatch and 2 reproduce
B. Lays 9 eggs, 9 hatch and 3 reproduce
C. Lays 5 eggs, 5 hatch and 5 reproduce
D. Lays 10 eggs, 5 hatch and 4 reproduce
Answer : Option C
87. Biogenetic law states that ______.
A. ontogeny repeats phylogeny
B. phylogeny repeats ontogeny
C. no two living organisms are alike
D. the favourable acquired characters are inherited
Answer : Option A
88. A study of evolution has established the systematic positions in many animals. In some animals chordate characters are absent in adult stage, but present in larval stage, eg. Herdmania has been included in ______.
89. Many of the animals and plants found on islands are ______.
90. The Haeckel’s theory of biogenetic Law means that ______.
A. all organisms start as an egg
B. life history of an organism reflects its evolutionary history
C. nonliving matter from life
D. progeny resembles parents
Answer : Option B