CBSE solutions for English Language Skills Class 12 chapter D - Humans Against Virus [Latest edition]

(a) A recent opinion poll listed the following items as the ten most important inventions that have made our lives better. Working in groups, number these inventions according to their importance.

(b) Share your views with your partner. Change your choice if required. Share with the class.

What was the horrible memory of Pasteur’s childhood what made him determined to find a cure for rabies?

Where does the rabies microbe reside? How did Pasteur discover this fact?

Why did he inject the germs into the rabbits’ brain?

Who was Paul Bret? What information did Roux give about him?

How did Pasteur discover the seat of the most virulent germ?

Why did he select the most virulent germs for the anti-rabies vaccine?

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

Free from all bacteria:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

Moisture secreted from the glands in the mouth, essential for digestion:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

Minute living organisms visible only under a microscope:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

A carefully prepared substance, usually liquid, that contains a relatively harmless version of a serious disease:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

Fill air or body with dangerous germs:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

A state of helplessness:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

To force a liquid into the body with a syringe:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

Special room for experiments:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

To sear and render insensitive:

There are a number of medical terminologies in the passage. Find one word in the passage that fits the given description.

When a person/animal becomes incapable of moving:

Prepare a Powerpoint Presentation on A World Without Disease and make a 3-4 minute presentation to the class.

There are countless inventions that have significantly changed our lives. We often take them for granted when we should really be thankful to the inventors of these amenities.

As you listen to the passage about some of these inventions, write about them in the spaces provided.

Who invented this ______ When was it invented? ______ It helped by ______	Who invented this ______ When was it invented? ______ It helped by ______
Who invented this ______ When was it invented? ______ It helped by ______	Who invented this ______ When was it invented? ______ It helped by ______
Who invented this ______ When was it invented? ______ It helped by ______

A pharmaceutical company has manufactured a new vaccine for the prevention of polio. As the Head of the Marketing Department, design a brochure for the company in about 80-100 words.