Which of the following is a non vertebrate?(Snake, Fish, Cockroach, Frog) ?->(Show Answer!)

1. Which of the following is a non vertebrate?(Snake, Fish, Cockroach, Frog)

Answer: Cockroach

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MCQ-> Read the following passage and answer the questions. Passage: Rajendran belongs to the hula tribe, one of India's oldest indigenous communities, who live along the north-eastern coast of the state of Tamil Nadu. They are known for their ancient and intimate knowledge of snakes, and their skills form an important but nearly invisible part of the healthcare system in India. "Many people are scared of snakes," Rajendran said, "But we must remember that the snake is only interested in survival. If we move in agitation, the snake perceives a threat and can strike. If we stand still, however, it will often slither away." We were at the offices of the hula Snake Catchers Industrial Co-Operative Society, which was formed in 1978 in Vadanemmeli to capture snakes and extract their venom. Nearly 50,000 people die of snakebites each year in the country, and the only reliable treatment is the prompt administration of anti-venom. Six companies across India produce around 1.5 million vials of anti-venom annually, and most of it is derived from the venom extracted by the Indas. Rajendran showed us a sunken sandpit enclosed by a low brick wall A high thatched roof protected the space from the sun. and a small raised platform in the centre of the pit had a simple blackboard with details of the snakes being held in the facility. This was the venom extraction site. We aren't holding too many snakes right now," he said, pointing to the numerous rows of empty clay pots, neatly arranged outside the thatch structure. Each pot will be half-filled with sand before housing two snakes each, and the mouth of the pot will be carefully sealed with porous cotton cloth so that the snakes can't leave the pot but there is still enough air. The co-operative has official licenses to hold about 800 snakes at a time. "We keep every snake for 21 days, and extract venom four times during that period," Rajendran said. The snakes are then released into the wild. A small mark on their belly scales prevents the same snake from being caught repeatedly. "The mark goes away after a few moultings." Rajendran's confidence in handling snakes and his deep understanding of these creatures are derived from a childhood spent in the forests and scrublands of the region. Before he turned 10. he had seen hundreds of snakes being captured. The Imlas usually work in silence, even when they go into the forest with others. They instinctively know the significance of faint signs on the ground to either follow clues or dismiss them. However, they often find it hard to articulate the details of their understanding, even to people who study reptiles.What is the best way to save yourself when a snake is near you?
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MCQ-> Read the following passage carefully and answer the question given below it Certain words/phrases have been printed in bold to help you locate them while answering some of the questionsOnce a king saw some young boys pelting stones on a snake. He prevented the boys from killing the snake. Thus he saved its life.The snake, which was the King of the Snake World, thanked him and favoured him with a supernatural gift by which he could understand the language of any animal. But he warned him that that divulgence of the secret would cost him his life. One day, when the King was sitting in his garden and enjoying breakfast, a small portion of the sweet fell on the ground.Soon he heard an ant shouting, “My God”, what a big wagon-ful of sweet has fallen and there is none to consume it.Ah ! I can enjoy all, now.”Hearing this, the King smiled and chuckled.The queen, who was sitting next to him,was curious to note the changing countenance of the King.She asked him to tell her the reason for the smile. But the King kept silence,she attacked his self-respect by calling him a “liar” and muttered that all his expressions of endearment like-You are dearer to me than my very life”.-were nothing but a pack of lies.The King, however,could not bear the attacks on his self-respect and eventually conceded to divulge the secret on the following day in the royal,garden; and made up his mind to sacrifice his life. A donkey overheard the King’s resolve and decided to save him,because the King was righteous.So, he picked up one of his friends-the goat and they both decided to save the King. Next day, when the King and his retinues were on the way to the royal park,the donkey and the goat stood conversing on one side of the path.The King overheard the goat saying to the donkey, “You are a fool but not as big a fool as in the king. “Having heard so, the King was curious to know as to why was he being called a “bigger fool”. So, he said to the goat. “Pray, then tell me what to do as I am now committed to tell her on her back”. When the King reached the garden he said to the queen “I am now ready to tell you the secret on the condition that you are willing to receive one hundred lashes in return”.The queen considered the condition a joke and nodded in agreement.The King then waved at one of his guards to lash her with all his power.And no sooner than she received two lashes she wailed and shouted “No ! No ! Stop, do not lash me ! I don’t want to know the secret now”. The King then said scornfully, “You wanted to know the secret at the cost of my life, but now you don’t want to know because you have to save your skin.You deserve a few more lashes.”But before he could order his man to give her a few more lashes, the King’s trustworthy minister intervened and requested him to forgive her.Thus the queen was not lashed further, yet she received the same honour and dignity.Why did the snake give a gift to the King ?
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MCQ-> In the following questions, you have a brief passage with 5 questions following carefully and choose the best answer to each question out of the four alternatives.PASSAGE Fat comes in two types; Omega-3 which is found in marine life and Omega-6 which is concentrated in vegetable oils. The first is good, the other ios plain rotten. The best source of Omega-3 is preferably sea-fish. But frying it in Omega-6 rich vegetable oil kills all its goodness.Ageing brains have low levels of thiamin, which is concentrated in wheat germ and bran, nuts, meat and cereals. More good brain-food comes from liver, milk and almonds, which are rich in riboflavin and extremely good for memory. Carotene, available in deep green leafy vegetables and fruits, is also good for geriatric brains. So is a high iron diet; it can make old brains gallop hyperactively like young ones. Iron comes from greens; liver, shellfish, red meat and soybeans. Seafood, very high in iron, is an excellent diet supplement. The New England Journal of Medicine reported in its May 1985 issue that 30 grams of fish a day could result in a dramatic drop in the chances of acquiring a cardiovascular disease. Sea fish, particularly shellfish, crabs, mackerel and sardines, are more effective than riverine fish because the latter is more vulnerable to chemical effluents.30 grams of fish a day could result in:
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