Point out one feature in the practice of federalism in India that is similar to and one feature that is different from that of Belgium.
[question] Question. Point out one feature in the practice of federalism in India that is similar to and one feature that is different from that of Belgium. [/question] [solution] Solution: In India, just like in Belgium, the central government has to share its powers with the regional governments. However, unlike India, Belgium has a community government in addition to the central and the state government. [/solution]...
Read More →Identify and shade three federal countries (other than India) on a blank outline political map of the world.
[question] Question. Identify and shade three federal countries (other than India) on a blank outline political map of the world. [/question] [solution] Solution: [/solution]...
Read More →A study found that children with light-coloured
[question] Question. A study found that children with light-coloured eyes are likely to have parents with light-coloured eyes. [/question] [solution] solution: Let us assume that children with light-coloured eyes can either have LL or L l or ll genotype. If the children have LL genotype, then their parents will also be of LL genotype. If the children with light-coloured eyes have ll genotype, then their parents will also have ll genotype. Therefore, it cannot be concluded whether light eye colou...
Read More →Locate the following States on a blank outline political map of India:
[question] Question. Locate the following States on a blank outline political map of India: Manipur, Sikkim, Chhattisgarh and Goa [/question] [solution] Solution: [/solution]...
Read More →In evolutionary terms,
[question] Question. In evolutionary terms, we have more in common with: (A) a Chinese school-boy. (B) a chimpanzee (C) a spider. (D) a bacterium. [/question] [solution] solution: (A) a Chinese school-boy. [/solution]...
Read More →Joseph jogs from one end A to the other end B of a straight
[question] Question. Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 50 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph's average speeds and velocities in jogging (a) from A to B and (b) from A to C ? [/question] [solution] Solution: The required figure is as shown (a) Distance covered = 300 m Time taken $=2 \mathrm{~min}$ and $50 \mathrm{~s}=170 \mathrm{~s}$ Now average speed from $A$ to $B$ is given by $\math...
Read More →An example of homologous organs is:
[question] Question. An example of homologous organs is: (A) our arm and a dog's fore-leg. (B) our teeth and an elephant's tusks. (C) potato and runners of grass. (D) all of above. [/question] [solution] solution: (D) all of above. [/solution]...
Read More →Match list I (forms of power sharing) with List II (forms of government) and select the correct answer using the codes given below in the lists:
[question] Question. Match list I (forms of power sharing) with List II (forms of government) and select the correct answer using the codes given below in the lists: [/question] [solution] Solution: [/solution]...
Read More →An athlete completes one round of a circular track of diameter 200 m in 40 s.
[question] Question. An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 minutes 20 s ? [/question] [solution] Solution: Given Diameter of circular track, $2 \mathrm{r}=200 \mathrm{~m}$ Circumference of circular track $=2 \pi \mathrm{r}$ $s=\pi(2 r)=\frac{22}{7} \times 200=\frac{4400}{7} \mathrm{~m}$ Time for completing one round $=40 \mathrm{~s}$. Time for which the athlete ran $=2 \mathrm{~min}$ an...
Read More →In evolutionary terms, can we say which among bacteria,
[question] Question. In evolutionary terms, can we say which among bacteria, spiders, fish and chimpanzees have a ‘better’ body design? Why or why not? [/question] [solution] solution: No, They all are of different branches of evolution. Evolution cannot always be equated with progress or better body designs. Evolution simply creates more complex body designs. However, this does not mean that the simple body designs are inefficient. In fact, bacteria having a simple body design are still the mos...
Read More →Why are human beings who look so different
[question] Question. Why are human beings who look so different from each other in terms of size, colour and looks said to belong to the same species? [/question] [solution] solution: Because all human beings are a single species. A species is a group of organisms that are capable of interbreeding to produce a fertile offspring. Skin colour, looks, and size are all variety of features present in human beings. These features aregenetic but also environmentally controlled. Various human races are ...
Read More →Consider the following statements about power sharing arrangements in Belgium and Sri Lanka.
[question] Question. Consider the following statements about power sharing arrangements in Belgium and Sri Lanka. Α. In Belgium, the Dutch-speaking majority people tried to impose their domination on the minority French-speaking community. B. In Sri Lanka, the policies of the government sought to ensure the dominance of the Sinhala-speaking majority. C. The Tamils in Sri Lanka demanded a federal arrangement of power sharing to protect their culture, language and equality of opportunity in educat...
Read More →What are fossils?
[question] Question. What are fossils? What do they tell us about the process of evolution? [/question] [solution] solution: Fossils are remains or impressions of the hard parts of the extinct organism preserved in the sedimentary rock or other media. They tell us about the development of the structures from simple structured to complex structured organisms. They tell us about the phases of evolutions through which they must have undergone in order to sustain themselves in the competetive enviro...
Read More →Can the wing of a butterfly and the wing
[question] Question. Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not? [/question] [solution] solution: Those organs which have different origin and structural plan but appear similar and perform similar functions are called analogous organs.So the wing of a butterfly and the wing of a bat can to be considered homologous organs [/solution]...
Read More →Different arguments are usually put forth in favour of and against power sharing.
[question] Question. Different arguments are usually put forth in favour of and against power sharing. Identify those which are in favour of power sharing and select the answer using the codes given below? Power sharing: A. reduces conflict among different communities B. decreases the possibility of arbitrariness C. delays decision making process D. accommodates diversities E. increases instability and divisiveness F. promotes people’s participation in government G. undermines the unity of a cou...
Read More →Give an example of characteristics being
[question] Question. Give an example of characteristics being used to determine how close two species are in evolutionary terms. [/question] [solution] solution: Feathers in some ancient reptiles like dinosaurs, as fossils indicate, evolved to provide insulation in cold weather. However, they cannot fly with these feathers later on birds adapted the feathers to flight. This indicates that they are evolutionary related. [/solution]...
Read More →Will geographical isolation be a major factor in
[question] Question. Will geographical isolation be a major factor in the speciation of an organism that reproduces asexually? Why or why not? [/question] [solution] solution: No, because geographical isolation does not affect much in asexually reproducing organisms. Asexually reproducing organisms pass on the parent DNA to offsprings that leaves no chance of speciation. [/solution]...
Read More →Read the following passage and pick out any one of the prudential reasons for power sharing offered in this.
[question] Question. Read the following passage and pick out any one of the prudential reasons for power sharing offered in this. "We need to give more power to the panchayats to realise the dream of Mahatma Gandhi and the hopes of the makers of our Constitution. Panchayati Raj establishes true democracy. It restores power to the only place where power belongs in a democracy − in the hands of the people. Given power to panchayats is also a way to reduce corruption and increase administrative eff...
Read More →After reading this chapter, three students drew different conclusions. Which of these do you agree with and why?
[question] Question. After reading this chapter, three students drew different conclusions. Which of these do you agree with and why? Give your reasons in about 50 words. Thomman − Power sharing is necessary only in societies which have religious, linguistic or ethnic divisions. Mathayi − Power sharing is suitable only for big countries that have regional divisons. Ouseph − Every society needs some form of power sharing even if it is small or does not have social divisions. [/question] [solution...
Read More →Will geographical isolation be a major factor in the speciation
[question] Question. Will geographical isolation be a major factor in the speciation of a self- pollinating plant species? Why or why not? [/question] [solution] solution: No, Because both male and female reproductive organs are present in same organism. [/solution]...
Read More →A stone is thrown in vertically upward direction with a velocity of 5 ms–1.
[question] Question. A stone is thrown in vertically upward direction with a velocity of 5 ms–1. If the acceleration of the stone during its motion is 10 ms–2 in the downward direction, what will be the height attained by the stone and how much time will it take to reach there? [/question] [solution] Solution: Given, initial velocity, $\mathrm{u}=5 \mathrm{~ms}^{-1}$ Final velocity, $\mathrm{v}=0$ Since, $\mathrm{u}$ is upward \& a is downward, it is a retarded motion. $\therefore \mathrm{a}=-10...
Read More →State one prudential reason and one moral reason for power sharing with an example from the Indian context.
[question] Question. State one prudential reason and one moral reason for power sharing with an example from the Indian context. [/question] [solution] Solution: A prudential reason for power sharing is that it leads to an avoidance of conflict between social groups. Since social conflict often leads to violence and political instability, power sharing is a good way to ensure the stability of political order. In India, seats have been reserved in legislatures for the socially weaker sections kee...
Read More →What factors could lead
[question] Question. What factors could lead to the rise of a new species? [/question] [solution] solution: Mutation, natural selection, geographical isolation. [/solution]...
Read More →Why are the small numbers of surviving
[question] Question. Why are the small numbers of surviving tigers a cause of worry from the point of view of genetics? [/question] [solution] solution: The small number of members in a population of tigers do not allow large number of variation to occur which are essential to survival of the species. A natural calamity may cause death of all the tigers, Resulting loss of these genes. of The small number of the species, lesser number of traits which reduces the chance of adaptibility to change o...
Read More →What are the different forms of power sharing in modern democracies?
[question] Question. What are the different forms of power sharing in modern democracies? Give an example of each of these [/question] [solution] Solution: Different forms of power sharing in modern democracies: Horizontal division of power: It is the sharing of power among the different organs of government. The division of government into the executive, the legislature and the judiciary is an example of horizontal division of power. In such a power sharing arrangement, different organs of gove...
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