Which of the following is a disadvantage that results from the location of a snake's heart in close proximity to its head?

A decrease in the efficiency with which the snake regulates the flow of blood to the brain.

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A decrease in the number of orientations in space that a snake can assume without loss of blood flow to the brain.

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A decrease in blood pressure at the snake's midpoint when it is tilted at various angles with its head up.

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An increase in the tendency of blood to pool at the snake's head when the snake is tilted at various angles with its head down.

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An increase in the amount of effort required to distribute blood to and from the snake's tail.

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Solution

The correct option is E An increase in the amount of effort required to distribute blood to and from the snake's tail.
The final sentence from the third paragraph tells us that a closer distance from the heart to the head requires that the blood travel a greater distance from the tail back to the heart. This is the only disadvantage associated with the closer distance. Hence, E is the correct choice.
The rest of the options are unsupported by the passage and are incorrect.

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Given below is the summary of the poem Snake in short paragraphs. However they are jumbled. Work in pairs and put the summary into a logical sequence.

(a) After drinking water to satisfaction, the snake raised his head dreamily and flickered his forked tongue and licked his lips. The snake looked around like a God and then slowly proceeded to curve round and move away from the water trough.

(b) The poet felt much like the ancient mariner who had killed the albatross for no reason. He wishes that the snake would come back. He thinks of the snake as a king in exile who has to be crowned again. He also regrets having missed his opportunity of knowing and understanding one of the lords of life.

(c) As the snake put his head into the hole to retreat into the earth, the poet was filled with a protest against the idea of the snake withdrawing into his hole. The poet put down his pitcher, picked up a log and hurled it at the snake. The snake twisted violently and with great alacrity vanished into the hole in the wall.

(d) A snake visited the poet's water trough on a hot afternoon to quench his thirst. The poet who had also gone to the trough to fill water in a pitcher waited for the snake since he had come at the trough prior to the poet.

(e) The voices of education inside the poet tell him that it was the fear for the snake that made him refrain from killing him. However, the poet feels that though he was quite afraid of the snake, he did actually feel honored that a snake had come to seek his hospitality from the deep recesses of the earth.

(f) He is guilt-ridden and feels that he has to atone for the meanness of his action of throwing a log at the snake.

(g) The snake rested his throat upon the stone bottom and sipped the water into his slack long body. After drinking water, he raised his head just like cattle do and flashed his forked tongue, thought for a moment and then bent down to drink some more water.

(h) Education and social conventions make the poet think that the golden brown poisonous snake must be killed and that as a brave man he must undertake the task of killing the snake.

(i) The poet instantly felt sorry for his unrefined and contemptible act and cursed the voices of education and civilization that had shaped his thought processes and urged him to kill the snake.

(j) However, the poet instinctively likes the snake, treats him like a guest and feels honoured that it had come to drink at his water trough. The poet questions himself and wonders whether his not daring to kill the snake proved that he was a coward and whether his desire to talk to the snake reflected his perversity.

The words in the box are all words that describe movement. Use them to fill in the blanks in the sentences below.

dived	gliding	Sprang
darting	whipped…back	delving

1. When he began to trust me, the squirrel began _________ into my pockets for morsels of cake.

2. I saw a cobra ___________ out of a clump of cactus.

3. The snake hissed, his forked tongue ____________ in and out.

4. When the cobra tried to bite it, the mongoose _____________ aside.

5. The snake _______________ his head ________________ to strike at the crow.

6. The birds _______________ at the snake.

It was rainy season and Karan was enjoying the rain in his garden just when he saw a snake moving towards him. He ran inside at full speed, brought a stick and killed the snake with it. He thinks that the snake was sent to kill him by one of his enemy. Do you think he is right?

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