Current Affairs 2nd Class

     Muscles   Read the following about muscles: Muscles are the internal part of the body. They are made of elastic tissues. Muscles are responsible for the force and motion of the body.   Look at the following picture of the human muscles:                Muscles are made of _____. (a) Milk     (b) Water (c) Elastic tissues   (d) Gas   Answers (C) Explanation  Muscles are made up of elastic tissues. Therefore, option (C) is correct and rest of the options is incorrect.          Which one of the following is true? (a) Muscle are not the part of the body (b) Muscles are external part of the body (c) Muscles are useless for the body (d) Muscles are internal part of the body   Answer: (d) Explanation  Muscles are internal part of the human body. Therefore, option (D) is correct and rest of the options is incorrect.  

   Nerves   They transfer senses from the various places of the body to brain. In fact, these are the part of nervous system along with brain and spinal cord (a long, thin, tubular bundle of nervous tissues). Nervous system controls and regulates the activity of all the other systems of body.   Look at the following picture of nerves system of the human body:            Nerves are the part of which one of the following system? (a) Nervous system (b) Reproductive system (c) Respiratory system (d) Excretory system   Answer: (a) Explanation Nerves are the part of Nervous system .Therefore, option (A) is correct and rest of the options is incorrect.           Which one of the following is true? (a) Leg is the part of nervous system (b) Hand is the part of nervous system (c) Brain is the part of nervous system   (d) Hair is the part of nervous system   Answer: (c) Explanation  Brain is the part of nervous system. Therefore, option (C) is correct and rest of the options is incorrect.       The acid in your stomach is strong enough to dissolve razor blades. Enamel in your teeth is the hardest substance in your body. Smallest bone in the human body is in ear. The average life of a taste bud is 10 days.       Brain which is located inside the head part is the thinking part ^and central organ of the nervous system. Human has one nose to take breath and smell. Eyes, nose and ears are head part and external part of the body and they are sense organs. Skin is a sense organ and covers all part of the body. Bones are internal rigid parts and make frame of the body. Bones produce blood, store minerals and support and protect various organs of the body. Muscles are made of elastic tissues, they cause motion of the body.

    Introduction   All living beings need food & clothes. Food gives energy to do various works. Clothes protect us from heat, dust, and cold.        Our Food We take different food items in our meal. For example, vegetables, fruits, meat, pulses, egg, milk, cereals etc.                                                                         Apple                                             Mango                                        Chapati                                                                                          Potato                                          Tomato                                       Cucumber                                                           Green beans                                   Carrot                                          Onion                                                                           Milk                                                Salad                                                Egg

    Animals as a Beast of Burden A beast of burden is a domesticated animal which has been trained to carry people or goods. Different animals are used around the world as beasts of burden. Some common examples are: elephants, donkeys, asses, horses, yaks, oxen, mules, buffaloes, camels etc. In other words working animals are considered as beast of burden.                                                                                                    Buffalo as a beast of burden              Donkey as a beast of burden                   Camel as a beast of burden                 What do you mean by "Beast of burden". (a) Walking animal (b) Working animal (c) Running animal (d) Laughing animal   Answer: (b) Explanation  Beast of burden means a working animal. Therefore, option (B) is correct and rest of the options is incorrect.          Which one of the following animal is considered as a beast of burden?                                                                               (a)                                        (b)                                             (c)                                       (d)   Answer: (b) Explanation  The picture in the option B is of an ass which is considered as the beast of burden. Therefore, option (B) is correct and rest of the options is incorrect.     A cockroach can survive without its head for nine days. An ant can lift a weight of 10 - 50 times of its own weight.     Domestic animals like cow, goat, horse, ox etc., live with human. Wild animals cannot live with human and can be dangerous for other living things. For example: Lion, tiger, bear and panther etc., are wild animals. Herbivorous animals eat plant food only. For example: cow, goat, rabbit, more...

    Other Uses of the Animals   Dogs are very loyal and very good housekeepers. Specialized or trained dogs are very helpful to solve crime related matters. Horses and oxen are used for cart pulling. Oxen are used for ploughing the agricultural land. Hides of animals are used for making shoes, belts, jackets, bags and other leather products. Ass is used for carrying goods. Camel is very useful for transportation in desert areas. This is the reason camel is called the ship of the desert.              Which one of the following is used for housekeeping? (a) Elephant                                       (b) Ass (c) Rabbit (d) Dog   Answer: (d) Explanation  Dogs are the good housekeepers. Therefore, option (D) is correct and rest of the options is incorrect.           Identify the animal that is called the ship of the desert.                                                                                                   (a)                                               (b)                                                  (c)                                              (d)   Answer: (a) Explanation  Camel is called the ship of the desert. Therefore, option (A) is correct and rest of the options is incorrect.

       Food from Animals   The following are the food which are obtained from animals: Meat of a sheep and a goat is called mutton. Meat of a cow, ox and a buffalo is called beef. Meat of a pig is called pork. Meat of a deer is called venison. Meat of a hen or a cock is called chicken. Eggs from hen Fishes Milk from cow, buffalo and goat Curd, paneer, ghee are also food items prepared from the milk of cow, buffalo and goats.               Which one of the following foods we get from animals? (a) Apple                                                             (b) Orange (c) Meat                                                               (d) Mango   Answer: (c) Explanation  Meat is obtained from animals. Therefore, option (C) is correct and rest of the options is incorrect.            Egg is the food product of which of the following living organism?                                                                                 (a)                                          (b)                                                 (c)                                              (d)   Answer: (c) Explanation Hen lays eggs which are the food product for human. Therefore, option (C) is correct and rest of the options are incorrect.

     Scavengers   Scavengers eat dead and decaying organic matter hence they are also called carnivorous. Some living organisms are not dependent on scavenging for their food and eat both vegetarian and non-vegetarian food. But, some time they exhibit their scavenging behavior also. Such living organisms are flies, fishes, ants, crows, dog and hyena etc.           Look at the following picture of some scavengers:                                                       Raccoon                                 Vulture                                    Hyena                                   Tasmanian Devil                Which one of the following is correct about the food for scavengers? (a) Rice (b) Pulses (c) Meat (d) Fruits   Answer: (c) Explanation  Scavengers are flesh eaters from the dead body of living organisms. Therefore, option (C) is correct and rest of the options is incorrect.            Identify the scavenger out of the following pictures.                                                                                   (a)                                                (b)                                                (c)                                               (d)   Answer: (c) Explanation  The animal who eats flesh from dead body of animal is called scavengers. The picture in the option (C) is of vulture, which is a scavenger. Therefore, option (C) is correct and rest of the options is incorrect.

     Omnivorous Animals Omnivorous animals eat both vegetarian and non-vegetarian food. Some birds like crow and peacock are omnivorous. Crow and peacock eat both plants product and flesh of animal, hence are called omnivorous.            Look at the following picture of some omnivorous:                                                            Dog                                                  Bear                                              Peacock                                        Crow                Which one of the following is true? (a) Omnivorous animals eat vegetables only (b) Omnivorous animals eat flesh only (c) Omnivorous animals eat fruits only (d) Omnivorous animals eat plant foods and flesh both   Answers (d) Explanation  Omnivorous are the animals which eat both flesh and plant products. Therefore, option (D) is correct and rest of the options are incorrect.           Identify the omnivorous animal given in the picture below. (a) This is a dog                                                 (b) This is a cat (c) This is a vulture                                           (d) This is a peacock   Answer: (a) Explanation The given picture is of a dog. Therefore, option (A) is correct and rest of the options are incorrect.

   Herbivorous Animals Herbivorous animals do not eat flesh they eat only plants and plant products. Therefore cereal, vegetables, grass, fruits, etc. are the food for herbivorous animals. Cow and buffalo are well known domestic animal which do not eat flesh. Leaves of plants and grasses are the common food for these animals.   Look at the following picture of some herbivorous animals:                                                                               Giraffe                                        Donkey                                               Elephant                                    Kangaroo                Which one of the following is true about the herbivorous animals? (a) They eat flesh (b) They eat grasses (c) They do not eat anything (d) They eat other animals   Answer (b) Explanations Herbivorous animals eat only plants and plants' product. Therefore, option (B) is correct and rest of the options are incorrect.          Identify the herbivorous animal given in the picture below. (a) Horse   (b) Buffalo (c) Ox (d) Ass   Answers (A) Explanation The given picture is of a horse. Therefore, option (A) is correct and rest of the options are incorrect.

   Introduction We have studied about the plant in previous chapter. Plant and animal both are living organism, whereas animals are known as the consumer and plants are called producer in food chain, because plants provide food for animal. Let us learn about different types of animal in this chapter.          Domestic Animals The animal which depends on human for their food and shelter is called domestic animal. Cow is a domestic animal which is used by the human for milk and other purpose. Horse is used for traveling from one place to another.   The following are the characteristics features of domestic animals: They live with human. Domestic animals depend on human for food, shelter, etc. They are not dangerous for the human being like wild animals.             Look at the following picture of some domestic animals and their use:                                   Horse used for transport                                 Cow used for milk                                   Donkey used for load carrying                   Oxen used for cultivation              Which one of the followings is the name of the given domestic animal? (a) Goat (b) Cow (c) Buffalo (d) Horse   Answer: (a) Explanations Given picture is a goat. Therefore, option (A) is correct and rest of the options is incorrect.           Which one of the following is true? (a) Horse is not a domestic animal            (b) Horse kills the domestic animals (c) Horse is a domestic animal                    (d) Horse is an insect   Answer: (c) Explanations  Horse is a domestic animal. Hence the statement which is given in the option (C) is correct.          Wild Animals Animal which lives independently in the forest is called wild animal. Most of the wild animals are dangerous. They do not need human beings for their food and shelter.   The following are the characteristic features of wild animals:   They are non-domestic animals. They can live without humans. Some wild animals are land animals, while some are water animals. They do not need people to provide them food, shelter or breeding partners. Some of the wild animals are neither flesh eaters nor they are dangerous for human.            Look at the following picture of some wild animals:                                                           Giraffe                 more...