91.  Milk contains the sugar

92.  The mammal that lays eggs is

93.  The so-called fourth state of matter refers to

94.  Mordants are substances that

95.  In the event of a fall of a woman in the bathroom, the head of the femur separated off the bone. An X-ray revealed that it did not fit into

96.  The polio virus enters the body through

97.  The gestation period of camel is

98.  The disease caused due to the deficiency of Vitamin D in the diet is

99.  Which of the following is/are NOT the male sex hormone(s)?

100.  Biologists study viruses although they are not considered living organisms. What could be the possible reasons?
1.They are causative agents of many of the dreaded diseases of humans, other animals, and plants
2.They are a source of some useful antibiotics
3.They serve as a useful tool in biotechnological research Which of the above statement/s is/are true? Select the correct answer using the codes given below.

101.  A remote control gadget (for TV etc.) has in it

102.  The horned toads are:
1.amphibians with dry skin with horns on the head
2.lizards with horns on the head
3.Ovoviviparous or oviparous
4.animals inhabiting hot and dry deserts

103.  Radiocarbon dating technique is used to estimate the age of

104.  Nuclide used to detect brain tumors and thyroid defects is

105.  In old age, people have to wear spectacles for reading and writing because
1.their eye lenses become weak
2.they lose the power of accommodation
3.their eye-lenses lose their magnifying power Which of the above is/are correct?