Ques:Q: The medieval catapult has a heavy ballast on one end and what on the other end? Read this paragraph and choose the correct option from the provided answers: Choices: - fragment - pivot - propellant - projectile A:

Ans:projectile
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Ques:Q: What season is it in the southern hemisphere when it's winter in the northern? Read this paragraph and choose the correct option from the provided answers: Winter solstice for the Northern Hemisphere happens on December 21 or 22. The North Pole of Earth's axis points away from the Sun ( Figure below ). Light from the Sun is spread out over a larger area. With fewer daylight hours in winter, there is also less time for the Sun to warm the area. When it is winter in the Northern Hemisphere, it is summer in the Southern Hemisphere. Choices: - Winter - Spring - autumn - summer A:

Ans:summer
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Ques:Q: What is the name of the muscular tube that carries urine out of the body? Read this paragraph and choose the correct option from the provided answers: From the collecting ducts of the kidneys, urine enters the ureters , two muscular tubes that move the urine by peristalsis to the bladder (see Figure above ). The bladder is a hollow, sac-like organ that stores urine. When the bladder is about half full, it sends a nerve impulse to a sphincter to relax and let urine flow out of the bladder and into the urethra. The urethra is a muscular tube that carries urine out of the body. Urine leaves the body through another sphincter in the process of urination . This sphincter and the process of urination are normally under conscious control. Choices: - rectum - uterus - bladder - urethra A:

Ans:urethra
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Ques:Q: Decay of what provides some of earth's internal heat? Read this paragraph and choose the correct option from the provided answers: Earth's internal heat does not depend on the Sun for energy. This heat comes from remnant heat when the planet formed. It also comes from the decay of radioactive elements. Radioactivity is an important source of energy. Choices: - ionic elements - decaying elements - radioactive compounds - radioactive elements A:

Ans:
radioactive elements
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