Q. No.The dominant plants during the Jurassic period were:
1. Bryophytes and Ferns
2. Gymnosperms
3. Monocots
4. Dicots
1. Bryophytes and Ferns
2. Gymnosperms
3. Monocots
4. Dicots
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following will not counter natural selection?
1. genetic drift
2. gene flow
3. mutation
4. Unlimited resources
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
In Darwinian terms “fitness” can best be described as:
1. ability of organism, relative to others in the population, to pass its genes to next generation
2. the number of mates the organism has during its life time
3. its lifespan
4. its physical vigor
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The fossils of Homo erectus were discovered in _____ and it existed about ____ mya.
1. Tanzania; 2
2. Java; 1.5
3. Ethiopia; 1.5
4. Australia; 2
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Adenine was synthesized by Orgel, using the Miller apparatus, when he used the gas :
1. carbon dioxide
2. hydrogen cyanide
3. hydrogen sulfide
4. nitrogen
The ‘phrase’ that will best describe ‘Natural Selection’ will be:
1. differential success in reproduction
2. differential mortality
3. assortative mating
4. descent with modification
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the incorrectly matched pair:
1. Cretaceous period : dinosaurs became extinct
2. Carboniferous period : origin of reptiles
3. Silurian period : origin of vascular plants
4. Cambrian period : first vertebrates (jawless fishes)
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
de Vries based his “Mutation Theory” on his observation on :
1. Pisumsativum
2. Drosophila melanogaster
3. Oenotheralamackiana
4. Coenorhabditiselegans
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following is a useful tool to measure microevolution?
1. Genetic drift
2. Hardy-Weinberg equation
3. Mendelian ratios
4. Age/sex ratio
The connecting link between the fishes and amphibians are the:
1. Seymouria
2. Peripatus
3. Cartilaginous fishes
4. Coelocanths [lobe finned fishes]
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.