Which of the following would lead to deviation from Hardy-Weinberg equilibrium?
1. Random mating
2. Lack of mutations
3. No gene flow or gene migration
4. Natural selection
The now extinct reptile group that evolved into mammals was:
1. Therapsids
2. Dinosaurs
3. Thecodants
4. Sauropsids
Identify the correct statement:
1. Dryopithecus was more man like than Ramapithecus
2. Homo Habilis probably did not eat meat
3. Homo Erectus had a cranial capacity of around 800 cc
4. Agriculture came around 18000 years ago
Most fossils are found in:
1. Granite
2. Sedimentary rocks
3. Lava flows
4. Black soil
Darwin believed that certain parts of the body get larger and more complex through the generations because they :
1. are used more extensively than other parts
2. contribute to greater reproductive success
3. are pre-determined to do so
4. are most similar to God's perfection
Directional selection favours:
(1) Both extremes of a trait
(2) Intermediate form of a trait
(3) Environmental differences
(4) One extreme form over the other extreme form and over intermediate forms of the trait
In Hardy- Weinberg equation, the frequency of heterozygous individual is represented by
(1) P2
(2) 2pq
(3) pq
(4) q2
A location with luxuriant growth of lichens on the trees indicates that the:-
1. trees are very healthy
2. trees are heavily infested
3. location is highly polluted
4. location is not polluted
Among the human ancestors the brain size was more than 1000 cc in:
1. Homo neanderthalensis
2. Homo erectus
3. Ramapithecus
4. Homo habilis
The early-stage human embryo distinctly possesses
1. gills
2. gill slits
3. external ear (pinna)
4. eyebrows