Biology
General
Easy
Question
Malay Archipalago stands for
- A group of islands visited by Wallace
- Research paper on evolution written by Wallace
- Research paper on ecology written by Wallace
- A group of organism studied by Wallace
The correct answer is: A group of islands visited by Wallace
Malay Archipalago is an island group in southeast Asia between Australia and the Asian mainland and it separates the Indian and Pacific oceans. It includes Indonesia, the Philippines, and the Malaysia.
The Malay Archipalago is a book by the British naturalist Alfred Russel Wallace that chronicles his scientific exploration, during the eight-year period 1854 to 1862, of the southern portion of the Malay Archipelago including Malaysia, Singapore, the islands of Indonesia. Dutch East Indies, and the island of New Guinea
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Natural selection can lead to …A… in which more individuals acquire mean character value, …B…. more in which individuals acquire value other than the mean character value and …C… in which more individuals acquire peripheral character value at both ends of the distribution curve
Choose the correct options for A,B and C to complete the given statement with reference to NCERT text book
Natural selection can lead to …A… in which more individuals acquire mean character value, …B…. more in which individuals acquire value other than the mean character value and …C… in which more individuals acquire peripheral character value at both ends of the distribution curve
Choose the correct options for A,B and C to complete the given statement with reference to NCERT text book
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All the existing life forms share …A… and share …B… ancestors. The geological history of earth closely correlates with …C… history of earth.
Choose the right option for A,B and C to complete the given statement with reference to NCERT text book
All the existing life forms share …A… and share …B… ancestors. The geological history of earth closely correlates with …C… history of earth.
Choose the right option for A,B and C to complete the given statement with reference to NCERT text book
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Mutational theory of evolution was given by
Mutational theory of evolution was given by
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existed in
existed in
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In the origin of life, microspheres are most primitive protobiont, which have a membrane of
In the origin of life, microspheres are most primitive protobiont, which have a membrane of
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Amoug the human ancestors, the brain size was more than 1000 cc in
Amoug the human ancestors, the brain size was more than 1000 cc in
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Prehistoric cave art developed about …A… years ago. Agriculture came around …B… years back and human settlements started. Choose an appropriate option for A and B to complete the given NCERT statement
Prehistoric cave art developed about …A… years ago. Agriculture came around …B… years back and human settlements started. Choose an appropriate option for A and B to complete the given NCERT statement
BiologyGeneral
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A brief reduction in size of a population, due to natural calamities, usually leads to random genetic drift’. For this statement, identify the correct example from the following.
A brief reduction in size of a population, due to natural calamities, usually leads to random genetic drift’. For this statement, identify the correct example from the following.
BiologyGeneral
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The natural selection that acts against change in the form and keeps the population constant through the time is
The natural selection that acts against change in the form and keeps the population constant through the time is
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is also known as
is also known as
BiologyGeneral
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Tendrils in plants are an example of
Tendrils in plants are an example of
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Hugo de Vries based on his work on …A… brought forth the idea of …B…, large difference arising suddenly in a population. He believed that it is mutation which causes evolution and not the …C… that Darwin talked about. Mutations are random and …D…, while Darwinian variations are small and …E…
Choose the correct option for A,B,C,D and E to complete the given statement
Hugo de Vries based on his work on …A… brought forth the idea of …B…, large difference arising suddenly in a population. He believed that it is mutation which causes evolution and not the …C… that Darwin talked about. Mutations are random and …D…, while Darwinian variations are small and …E…
Choose the correct option for A,B,C,D and E to complete the given statement
BiologyGeneral
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Which of the following statements correctly defines the phenomenon of genetic drift?
I. Random change in gene allele frequency
II. Occur by chance
III. It is directional
IV. Causes elimination of certain alleles
V. Causes fixation of alleles
The correct combination is
Which of the following statements correctly defines the phenomenon of genetic drift?
I. Random change in gene allele frequency
II. Occur by chance
III. It is directional
IV. Causes elimination of certain alleles
V. Causes fixation of alleles
The correct combination is
BiologyGeneral
Biology
Which of the following statements regarding the evolution of plants and animals is/are correct?
I. Amphibians evolved into reptiles
II. Fish with stout and strong fins could move on land and go back to water. This was about 350 million years ago
III. Giants ferns fell to form wall deposits slowly
IV. About 65 million years ago dinosaurs died out
V. 
is the connection link between birds and reptiles
The correct combination is
Which of the following statements regarding the evolution of plants and animals is/are correct?
I. Amphibians evolved into reptiles
II. Fish with stout and strong fins could move on land and go back to water. This was about 350 million years ago
III. Giants ferns fell to form wall deposits slowly
IV. About 65 million years ago dinosaurs died out
V. is the connection link between birds and reptiles
The correct combination is
BiologyGeneral
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The variation in the natural selection is on, it is due to the random mutations. What does this imply about the natural selection?
The variation in the natural selection is on, it is due to the random mutations. What does this imply about the natural selection?
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