1. Ammonia
2. Uric acid
3. Allanroin
4. Urea
Urea
1. Uricase
2. Urease
3. Arginase
4. None of these
Arginase
1. Amphibians and lycopods
2. Marine invertibrates
3. Repiles and gymnosperms
4. Mammals and modern flora
Repiles and gymnosperms
1. Permian
2. Triassic
3. jurassic
4. Cretaceous
Cretaceous
1. Type of fossils present
2. Number of present
3. Amount of uranium present
4. Amount of lead present
Amount of lead present
1. Laboratory preserved animal
2. Dead animal of the past
3. Organic relie of the past
4. Stuffed animal
Organic relie of the past
1. point mutation
2. silent mutation
3. frameshift mutation
4. chromosomal mutation
point mutation
1. Glycine by valine
2. Glycine by lysine
3. Glutamic acid by valine
4. Valine by glutamic acid
Glutamic acid by valine
1. All
2. 50%
3. 25%
4. Non-predictable
50\%
1. male
2. female
3. may be (a) or (b)
4. cannot be predicted
male