Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer?

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Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earth's atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.

Q. When an asteroid hit the earth 65 million years ago, the following things happened except ?

a)
there was a big explosion
b)
there were tons of dust on earth
c)
there was no sunlight on earth for a long period
d)
many types of vegetation died

Correct answer is option 'B'. Can you explain this answer?

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Direction: Dinosaurs developed in many different ways, but none of the...

There were tons of dust in the earth's atmosphere and not on earth's surface.

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Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.What did the many dinosaurs, who died due to starvation, feed on ?

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Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death. Q. According to the passage, dinosaurs disappeared because ?

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Direction: Read the following passage and answer the questions given below:Move aside cheetah and peregrine falcon, there is a new contender for the title of fastest animal on Earth: the Dracula ant. Scientists have discovered that the small tropical insect can snap its mandibles at up to 90 metres a second (more than 200mph), the fastest animal movement on record.The ants use the explosive motion to attack, stun and kill prey, which is then fed to their larvae. “They’re cruising around underground and if they encounter something like a centipede or a termite they can smack them with the mandibles to kill or stun them,” said Andrew Suarez, an animal biology professor at the University of Illinois, who led the work. “They can then sting it to further incapacitate it and then they carry it back to the nest.”“Even among ants that power-amplify their jaws, the Dracula ants are unique,” said Adrian Smith, of the North Carolina Museum of Natural Sciences, who was a co-author of the study.The species, Mystriumcamillae, was already known to have highly specialised appendages. However, scientists were able to ascertain the exact speed of the snapping motion only with the advent of high-speed video technology over the past 10 years. The scientists also used x-ray imaging technology to observe the ants’ anatomy in three dimensions to better understand how the movement works.The observations showed that Dracula ants power up their mandibles by pressing the tips together, spring-loading them with internal stresses. Eventually, when one mandible slides across the other, each is released, in a similar motion to people clicking their fingers. Dracula ants are mostly found in the tropics in Africa and Asia. They live in large colonies underground, or inside tree trunks, so are rarely seen. Their name derives from their unusual feeding habits, which involves a form of non-destructive cannibalism. The adult ants are unable to process solid food; instead, they feed prey to their larvae and then chew holes in the larvae and drink their blood. Scientists call the arrangement a “social stomach”. Scientists are conducting more studies in their natural environment to understand these ants betterQ. The Mystriumcamillae ants are called Dracula ants because

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Direction: Read the following passages carefully and answer the question that follows.A new consciousness is to dawn. Science has not been able to demystify existence. This is now recognized not by ordinary technicians but by geniuses, because they are the pioneers; they can see the dawn very close by, they are the prophets. Albert Einstein said that science has failed in demystifying existence, that on the contrary, it has mystified things even more.e.g., it was so easy-just 100 years ago-for the scientist to say that all is matter. Now matter has disappeared; in neon-physics there is no entity called matter. The deeper the physicist went into the world of matter, the less matter was found ; it is all pure energy . Can we define energy ? Energy can not be material; it is something totally different from matter . Matter is static, energy is dynamic; matter is a noun, energy is a verb. Matter is measurable. That is exactly, the meaning of the word matter. It comes from measure, the root means measurable. Matter can be measured, thats why it is called matter. Energy is immeasurable, it can not be called matter. Hence, physicists get more puzzled the more they probe into the world energy.Q.What is the difference in "todays science and earlier science"?

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Direction: Read the following passages carefully and answer the question that follows.The ancient Harappan Civilization emerged, flourished and collapsed under a steadily weakening monsoon, according to new research findings, that scientists say, provide the strongest evidence yet to link its risk and fall to changing climate. A team of scientists has combined multiple sets of date to show that weakening monsoon and reduced river water initially stimulated intensive agriculture and urbanisation, but later precipitated the decline and collapse of the subcontinents earliest cities. The scientist said their research also suggests that a larger river, summed to be the mythical Saraswati, which once watered the Harappan Civilizations heartland between the suggests it was a glacier fed river with origins in the Himalyas. The findings appear today in the US Journal Proceedings of the National Academy of ScienceQ. What task the team of scientists was assigned to?

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Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer?

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Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer? for SSC CGL 2024 is part of SSC CGL preparation. The Question and answers have been prepared according to the SSC CGL exam syllabus. Information about Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for SSC CGL 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer?.

Solutions for Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for SSC CGL. Download more important topics, notes, lectures and mock test series for SSC CGL Exam by signing up for free.

Here you can find the meaning of Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Direction: Dinosaurs developed in many different ways, but none of them ever developed a good brain. One of the reasons dinosaurs disappeared may be that they were not intelligent enough to know how to survive and escape from all their natural enemies. But some scientists believe that changes in the earth and in climate killed off the dinosaurs. Swamps dried up and mountains appeared, making life became difficult for dinosaurs that could not live on dry land . Also, changes in climate produced changes in vegetation, and since many dinosaurs were plant eaters, their food supply disappeared. Finally, as the earth began to have seasons, shifting from hot summers to snowy winters, dinosaurs could not fit themselves to these changes and gradually became extinct. There are other scientists who believe that the dinosaurs disappeared because of an incident that happened 65 million years ago. An enormous and very heavy asteroid hit the earth. There was a huge explosion and this caused tons of dust to be blasted into the earths atmosphere. There was such a thick layer of dust covering our earth that it blocked out sunlight for as five years. That was how plants died and the dinosaurs were deprived of food. Eventually they starved to death.Q.When an asteroid hit the earth 65 million years ago, the following things happened except ?a)there was a big explosionb)there were tons of dust on earthc)there was no sunlight on earth for a long periodd)many types of vegetation diedCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice SSC CGL tests.

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