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The acidification of oceans is increasing. Why is this phenomenon a cause of concern? 1. The growth and survival of calcareous phytoplankton will be adversely affected. 2. The growth and survival of coral reefs will be adversely affected. 3. The survival of some animals that have phytoplanktonic larvae will be adversely affected. 4. The cloud seeding and formation of clouds will be adversely affected. Which of the statements given above is/are correct?
The following sentences form a paragraph. The sentences are numbered as P, Q, R, S and T. These sentences are not given in their proper order. Read the sentences and out of the five alternatives,  choose the right option that correctly arranges the sentences in the correct sequence.  Though the speech as a whole is captivating and edifying, his saying “women are not meant for appeasing her near and dear ones, they have their individuality and identity and they themselves should be aware of this fact.”  In his speech, he stresses on education, health, women empowerment and child care.  Rightly this speech is gaining popularity and is spreading like a wildfire.  But the question remains whether the widespread circulation of this speech be equally complemented with its objective of comprehensive awareness.  In a speech uploaded in the internet, we see our school teacher Rambabu addressing the masses from a stage.
After introducing "reported speech" to grade 6 students, a teacher set up a pair activity: Student A takes a piece of direct speech from a book and conveys it to Student B in reported speech. Student B tries to guess what the direct speech would have been. Student A modifies his reported speech if needed, repeatedly, till Student B guesses correctly. The above activity MOST closely represents...
Given is a statement followed by two assumptions numbered I and II. Consider the statement and the following assumptions and decide which of the assumptions is/are implicit in the statement. Statement: Global warming, species extinction and deforestation are posing a threat to the environment. Assumptions: I. The more we exploit and degrade our environment, the more ecological imbalance we create, ultimately putting the very existence of human life at risk. II. Every species is dependent on every other species for survival, directly or indirectly. Human beings are the ones who depend on maximum number of species for not only our survival but also for our development needs.
You wanted to find out the importance of the DNA polymerases. So, you mutated the polymerases one by one and checked for survival. In which of these mutant cases will you see least survival rate?
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. The chasm ______________ the needs of the people who struggle ______________ survival, action and inaction by representatives, and lack ofremedial justice has compromised representative democracy _________________. Defections from one party to another indicate_______________ of the basic obligations of representatives, even ___________ their own people starve. who struggle ______________ survival, action
Consider the following statements regarding evolution and choose the correct answer:
1. Basically, evolution is the result of the differential survival in each generation of the progeny of the individuals with certain special characteristics
2. The organization of genes in chromosomes and the behaviour of these during cell division do not affect the mechanisms of evolution
3. Due to sexual reproduction there is a tremendous increase in variability
4. Differential survival is always partly due to capacity to adopt to the physical environment
Consider the following statements and choose the correct answer:
1. Darwinism accounts for the survival of the fittest but not the arrival of the fittest
2. Natural selection is able to explain the existence of some structures in plants and animals which are not helpful in their survival
3. Darwinism explains the struggle amongst young individuals as well as its influence upon adult characteristics
4. Variations, that occur at random, can never be of the utmost importance and can not explain the production of highly organised and specialised structures
The letters P, Q, R, S, T and U are to be placed one per vertex on a regular convex hexagon, but not necessarily in the same order. Consider the following statements: The line segment joining R and S is longer than the line segment joining P and Q. The line segment joining R and S is perpendicular to the line segment joining P and Q. The line segment joining R and U is parallel to the line segment joining T and Q. Based on the above statements, which one of the following options is CORRECT?
In a plane, line X is perpendicular to line Y and parallel to line Z; line U is perpendicular to both lines V and W; line X is perpendicular to line V. Which one of the following statements is correct?