Ques:Answer the following question given this paragraph: Volvox Colony. Volvox cells live in a colony shaped like a hollow ball. The cells of the colony may be connected by strands of cytoplasm and can function together. For example, the whole colony can swim from one place to another as one. Q: What shape is the colony of a volvox cell? Choices: - pyramid - coil-shaped - tubular - hollow ball shaped A:

Ans:hollow ball shaped
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Ques:Answer the following question given this paragraph: Unsafe drinking water causes 88% of diseases worldwide. In many nations, these diseases are the leading cause of death in children under the age of five. More than 14,000 people die every day from such diseases. Cholera is caused by bacteria. A person gets guinea worm from drinking the guinea worm larvae ( Figure below ). The cholera bacteria and guinea worms are pathogens. Q: What is cholera? Choices: - protein - energy - glucose - bacteria A:

Ans:bacteria
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Ques:Answer the following question given this paragraph: All crocodilians have, like humans, teeth set in bony sockets. But unlike mammals, they replace their teeth throughout life. Crocodiles and gharials (large crocodilians with longer jaws) have salivary glands on their tongue, which are used to remove salt from their bodies. This helps with life in a saltwater environment. Crocodilians are often seen lying with their mouths open, a behavior called gaping . One of its functions is probably to cool them down. Q: Lying with their mouths open, a behavior called gaping, probably serves what function for crocodiles? Choices: - sleeping - digesting - eating - cooling down A:

Ans:cooling down
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Ques:Answer the following question given this paragraph: The sparks from a steel grinder are molten iron. The iron reacts with oxygen to form iron(III) oxide. Q: When sparks from a steel grinder react with oxygen, what do they form? Choices: - rust - spontaneous combustion - steel oxide - iron oxide A:

Ans:
iron oxide
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