Biology
General
Easy
Question
Evolution occurs when
- Genetic equilibrium is upset
- Genetic equilibrium is not upset
- No migration and genetic recombination
- No mutation and gene flow
The correct answer is: Genetic equilibrium is upset
Evolution occurs when the genetic equilibrium gets upset or disturb. Mutation, gene flow, genetic drift, genetic recombination and natural selection are some factors which upset the genetic equilibrium and contributes significantly to evolution
Related Questions to study
Biology
The …A… from the sun broke up water into hydrogen and oxygen and the …B… escaped. Oxygen combined with ammonia and methane to form …C… . 
and others. The ozone layer was formed. As it cooled, the water vapour fell as rain, to fill all the depressions and form …D…
Choose the correct option for A,B,C and D to complete the given paragraph, to NCERT textbook
The …A… from the sun broke up water into hydrogen and oxygen and the …B… escaped. Oxygen combined with ammonia and methane to form …C… . and others. The ozone layer was formed. As it cooled, the water vapour fell as rain, to fill all the depressions and form …D…
Choose the correct option for A,B,C and D to complete the given paragraph, to NCERT textbook
BiologyGeneral
Biology
Which one of the following amino acid was not found to be synthesized in Miller’s experiment?
Which one of the following amino acid was not found to be synthesized in Miller’s experiment?
BiologyGeneral
Biology
The best description of natural selection is
The best description of natural selection is
BiologyGeneral
Biology
Atavism is
Atavism is
BiologyGeneral
Biology
Which of the following pairs is correct?
Which of the following pairs is correct?
BiologyGeneral
Biology
A good example for recapitulation theory is
A good example for recapitulation theory is
BiologyGeneral
Biology
Although all mammals have some common characters, but they shows conspicuous differences due to
Although all mammals have some common characters, but they shows conspicuous differences due to
BiologyGeneral
Biology
Select the examples which favours the mutational theory of evolution
I. Ancon sheep II. Hornless cattle
III. Cicer gigas IV. Novel oranges
V. Hairless cat VI. Double toed cat
The correct combination is
Select the examples which favours the mutational theory of evolution
I. Ancon sheep II. Hornless cattle
III. Cicer gigas IV. Novel oranges
V. Hairless cat VI. Double toed cat
The correct combination is
BiologyGeneral
Biology
In which epoch, only modern humans prevails?
In which epoch, only modern humans prevails?
BiologyGeneral
Biology
Identify the cranial capacity 
and 
of the given primates
PrimatesCranial Capacities (in cubic centimetris)
1. Heidelberg man1300 cc
2. Neanderthal man
3. Cro-Magnon man1650 cc
4. Living Modern man
Identify the cranial capacity and of the given primates
PrimatesCranial Capacities (in cubic centimetris)
1. Heidelberg man1300 cc
2. Neanderthal man
3. Cro-Magnon man1650 cc
4. Living Modern man
BiologyGeneral
Biology
Genetic basis of adaptation was performed by
Genetic basis of adaptation was performed by
BiologyGeneral
Biology
Mark the correct statements
I. Fitness of individuals means reproductive fitness
II. Homology in vertebrae brain indicates common ancestry
III. Theory of acquired character was given by de Vries
IV. After industrialization, the white moth did not survive due to predators
The correct option is
Mark the correct statements
I. Fitness of individuals means reproductive fitness
II. Homology in vertebrae brain indicates common ancestry
III. Theory of acquired character was given by de Vries
IV. After industrialization, the white moth did not survive due to predators
The correct option is
BiologyGeneral
Biology
was written by
was written by
BiologyGeneral
Maths-
How many numbers of four digits greater than 2300 can be formed with the digits 0, 1, 2, 3, 4, 5 and 6; no digit being repeated in any number ?
How many numbers of four digits greater than 2300 can be formed with the digits 0, 1, 2, 3, 4, 5 and 6; no digit being repeated in any number ?
Maths-General
Maths-
In how many ways 4 boys and 4 girls can be seated in a row so that boys and girls are alternate?
In how many ways 4 boys and 4 girls can be seated in a row so that boys and girls are alternate?
Maths-General
