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Heredity is?
Variation are more in?
Variation helps in ?
In Asexually reproducing organisms, variation is due to ?
Plants having thorns is an example of ?
In the population of asexually reproducing species if a trait A exists in 10% of population and trait B exists in 60% of population, which trait is likely to have arisen earlier?
If the baby have similar eye complexion as that of his mother then such type of traits are?
DNA has __ versions of each trait?
During cross pollination of tall pea plant and short pea plant, Mendel observed that?
During self pollination of first generation plants, Mendel observed that?
The trait whose single copy is enough to make the plant tall are called?
Self pollination of F1 generation plants (Tt × Tt) produced plants with TT, Tt, Tt, tt traits. All are tall except tt then the trait tt is called
If mendel would have carried out cross pollination of pea plant having tt trait with pea plant having Tt trait then the F1 progeny plants would have been?
The information source for making proteins in the cell is?
Genes are?
How many set of genes a particular individual contain?
How does the new organism will have stable number of chromosomes?
In Loggerhead turtles sex determination is done by?
If temperature is __ then the egg of loggerhead turtle forms male individual.
Which of the following is true with respect to sex chromosomes in human being?
Total number of chromosomes in healthy human body are?
Sex of human child depends on?
If child have XY chromosome then the child must be?
What do you mean by evolution?
Which of the following are acquired traits?
Which of the following are inherited traits?
Which of the following type of trait can be passed to next generation?
In population of red beetles, variation give rise to new green beetles. Crow can easily see and eat red beetles but green beetles are survived. This illustration signifies
There are different kinds of fishes in the sea. This is an illustration of
Why are acquired traits can’t be seen in next generation?
Why are the small numbers of surviving tigers a cause of worry from the point of view of genetics?
Speciation is __
In which of the following case geographical separation give rise to speciation?
In which of the case speciation is possible?
Years ago black and gray moths were living on tree trunks in surroundings of Birmingham, England. Due to growth of algae and fungi on trees, the trees started appearing gray. Birds can eat black moths easily but gray moths are survived because of similar color of tree causing increase in their population. During industrial revolution, pollution increased and trees became black. Due to which black moths were remain hidden from their predators while gray moths can’t so population of black moths increased and gray moths decreased. This illustration signifies.
What factors could lead to the rise of a new species??
To study evolutionary relationships, organisms can be grouped by
The structures which have similar structure but are modified to perform different function are called
Forelimbs of human, frog, bird and lizard have same set of bones then such organs are called?
The organs of different organisms which have different structures but perform similar function are called
Wing of bat and wing of bird are?
Which type of organs have common origin?
When we try to follow evolutionary relationships, how do we identify characteristics as common?
The traces of dead organisms found in earth crust are called
Methods to find age of Fossils are?
Fossils provide evidence about
Dinosaur use feather for ___ while the bird use them for ___
In Evolutionary terms we have more in common with?
Which of the following organism is better in terms of adaptability?
Bacteria is one of the simplest and oldest form of life that still survive in most harsh environment such as hot springs, deep-sea thermal holes, Antarctic ice, while spiders, fish and chimpanzees can not survive. From this statement it follows that
Methods used to study human evolution is?
The earliest human species is?
Human beings look so different from each other in terms of size, colour and looks still these all belong to same species. How?