MCQOPTIONS
Saved Bookmarks
This section includes 1249 Mcqs, each offering curated multiple-choice questions to sharpen your 3rd Class knowledge and support exam preparation. Choose a topic below to get started.
| 851. |
Muscles of our body can: |
| A. | Contract |
| B. | Expand |
| C. | Both [a] and [b] |
| D. | Either [a] or [b] |
| E. | None of these |
| Answer» D. Either [a] or [b] | |
| 852. |
This gas is produced by our body as a waste material. |
| A. | Oxygen |
| B. | Carbon dioxide |
| C. | Nitrogen oxide |
| D. | Carbon monoxide |
| E. | None of these |
| Answer» C. Nitrogen oxide | |
| 853. |
Which among the following is a body waste? |
| A. | Blood |
| B. | Saliva |
| C. | Sweat |
| D. | Cell |
| E. | None of these |
| Answer» D. Cell | |
| 854. |
The process of breathing includes: |
| A. | Inhaling air |
| B. | Exhaling air |
| C. | Both [a] and [b] |
| D. | Either [a] or [b] |
| E. | None of these |
| Answer» D. Either [a] or [b] | |
| 855. |
Match the following: Column A Column B (i) Stomach [A] Respiratory system (ii) Lungs [B] Nervous system (iii) Blood [C] Circulatory system (iv) Brain [D] Digestive system |
| A. | (i-D), (ii-A), (iii-C), (iv-B) |
| B. | (i-D), (ii-C), (iii-A), (iv-B) |
| C. | (i-B), (ii-A), (iii-D), (iv-C) |
| D. | (i-C), (ii-D), (iii-A), (iv-B) |
| E. | None of these |
| Answer» B. (i-D), (ii-C), (iii-A), (iv-B) | |
| 856. |
My work is to pump blood to all tissues in your body. Who am I? |
| A. | Brain |
| B. | Heart |
| C. | Eye |
| D. | Lungs |
| E. | None of these |
| Answer» C. Eye | |
| 857. |
I am present throughout your body and helps you to move and to lift objects. Who am I? |
| A. | Hands |
| B. | Legs |
| C. | Feet |
| D. | Muscles |
| E. | None of these |
| Answer» E. None of these | |
| 858. |
_____ are the smallest unit of our body. |
| A. | Tissues |
| B. | Cells |
| C. | Muscles |
| D. | Organs |
| E. | None of these |
| Answer» C. Muscles | |
| 859. |
Raghav is eating chocolate and he finds it sweet. Which sense organ enables him to taste? |
| A. | Nose |
| B. | Ear |
| C. | Tongue |
| D. | Finger |
| E. | None of these |
| Answer» D. Finger | |
| 860. |
To break a glass tile by hands, one needs to use one's _______ system. |
| A. | Reproductive |
| B. | Skeletal |
| C. | Muscular |
| D. | Both (b) and (c) |
| Answer» E. | |
| 861. |
The organ system by which young ones are produced. |
| A. | Respiratory system |
| B. | Reproductive system |
| C. | Nervous system |
| D. | Excretory system |
| E. | None of these |
| Answer» C. Nervous system | |
| 862. |
Select the correct option regarding the organ system shown here. |
| A. | If part P is removed, food will not be masticated and absorbed. |
| B. | If part Q is removed, water from food will not be absorbed. |
| C. | If part R is removed, complete digestion of all food components will not take place. |
| D. | None of these |
| Answer» E. | |
| 863. |
Which among the following is not a part of nervous system? |
| A. | Brain |
| B. | Spinal cord |
| C. | Ribs |
| D. | Nerves |
| E. | None of these |
| Answer» D. Nerves | |
| 864. |
The given picture shows two organ systems of our body, X and Y. Select the correct statement about these systems. |
| A. | System X helps in movement while system Y helps body to get rid of wastes. |
| B. | System X and Y work together to help body to move. |
| C. | System X supplies blood to different body parts while system Y helps to produce babies. |
| D. | None of these |
| Answer» C. System X supplies blood to different body parts while system Y helps to produce babies. | |
| 865. |
Exhalation of air means: |
| A. | Taking up air inside |
| B. | Giving out air |
| C. | Both [a] and [b] |
| D. | Either [a] or [b] |
| E. | None of these |
| Answer» C. Both [a] and [b] | |
| 866. |
Read the given statements made by four students.Priya - I love the smell of wet soil after rains.Shruti - My hair feel so rough after using this new shampoo.Om - Watch out! You can slip on this banana peel.Sam - I just love the musical sound made by wind chymes hanging at the door of my living room. Now, select the correct option regarding this. |
| A. | Priya used the sense which helps us to choose a good perfume. |
| B. | Shruti used the sense which helps us to identify a red and a blue object. |
| C. | Om used the sense which helps us to respond to a phone's ring. |
| D. | Sam used the sense which helps to differentiate between a hot and a cold coffee. |
| Answer» B. Shruti used the sense which helps us to identify a red and a blue object. | |
| 867. |
How many lungs do you have in your body? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| E. | None of these |
| Answer» C. Three | |
| 868. |
Beena, Shalu and Navpreet wanted to find out who among them had the biggest lung capacity. They decided to blow into a balloon with one breath and see how big it will become. Which of the following factors they must keep the same to make the test a fair one?1. Colour and design pattern of the balloon2. Size and shape of the balloon3. When to breathe in forcibly before blowing4. Material, balloon is made of |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 1, 3 and 4 only |
| D. | 2, 3 and 4 only |
| Answer» E. | |
| 869. |
_____ act as messengers for brain to send instructions to sense organs. |
| A. | Cells |
| B. | Nerves |
| C. | Tissues |
| D. | Blood |
| E. | None of these |
| Answer» C. Tissues | |
| 870. |
Study the given diagram, Which of the following represents the small intestine? |
| A. | W |
| B. | X |
| C. | Y |
| D. | Z |
| Answer» D. Z | |
| 871. |
Which one of the following organs is a part of respiratory system? |
| A. | Pancreas |
| B. | Stomach |
| C. | Trachea |
| D. | Intestine |
| E. | None of these |
| Answer» D. Intestine | |
| 872. |
What happens when we touch a hot kettle? |
| A. | Skin\[\to \]Nerves\[\to \]Hand is pulled back |
| B. | Skin\[\to \]Nerves\[\to \]Spinal cord\[\to \]Nerves\[\to \]Hand is pulled back |
| C. | Skin\[\to \]Brain\[\to \]Nerves\[\to \]Hand is pulled back |
| D. | None of these |
| Answer» C. Skin\[\to \]Brain\[\to \]Nerves\[\to \]Hand is pulled back | |
| 873. |
I am present inside human body and controls all the activities of human body? |
| A. | Stomach |
| B. | Eyes |
| C. | Hands |
| D. | Brain |
| E. | None of these |
| Answer» E. None of these | |
| 874. |
Sameer uses dumbbell to exercise. Which body systems are involved in bending and straightening of the arm? |
| A. | Muscular and Excretory systems |
| B. | Digestive and Nervous systems |
| C. | Muscular and Skeletal systems |
| D. | Skeletal and Reproductive systems |
| Answer» D. Skeletal and Reproductive systems | |
| 875. |
The given figure shows the human digestive system. In which labelled part food is both masticated and partially digested? |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» B. Q | |
| 876. |
Match the following: Column A Column B (i) Skeletal system [A] help in digestion of food (ii) Digestive system [B] Help in inhaling and exhaling (iii) Nervous system [C] Gives shape to our body (iv) Respiratory system [D] Controls activities of our body |
| A. | (i - D), (ii - C), (iii - B), (iv ? A) |
| B. | (i - C), (ii - A), (iii - D), (iv - B) |
| C. | (i - B), (ii - A), (iii - D), (iv - C) |
| D. | (i - C), (ii - D), (iii - B), (iv - A) |
| E. | None of these |
| Answer» C. (i - B), (ii - A), (iii - D), (iv - C) | |
| 877. |
Which organ among the following is not included in digestive system? |
| A. | Stomach |
| B. | Small intestine |
| C. | Mouth |
| D. | Oesophagus |
| E. | None of these |
| Answer» F. | |
| 878. |
Substances abundant in the dull, purplish red blood in the veins are _____.(a) Nutrients(b) Oxygen(c) Carbon dioxide(d) Waste materials |
| A. | (a) and (b) only |
| B. | (b) and (d) only |
| C. | (a) and (c) only |
| D. | (c) and (d) only |
| Answer» E. | |
| 879. |
Which is the longest bone in human body? |
| A. | Thighbone |
| B. | Backbone |
| C. | Leg bone |
| D. | Upper arm bone |
| E. | None of these |
| Answer» B. Backbone | |
| 880. |
Framework formed by the bones of our body is: |
| A. | Spinal cord |
| B. | Skeletal system |
| C. | Muscular system |
| D. | Nervous system |
| E. | None of these |
| Answer» C. Muscular system | |
| 881. |
This system protects the inner body parts from getting injured. |
| A. | Circulatory system |
| B. | Digestive system |
| C. | Skeletal system |
| D. | Excretory system |
| E. | None of these |
| Answer» D. Excretory system | |
| 882. |
Abhishek blew hard on a mirror surface. He observed that the mirror became misty because of tiny water droplets that formed on the mirror. What can he conclude from this activity? |
| A. | Carbon dioxide is given off when we exhale, |
| B. | Oxygen is given off when we exhale. |
| C. | Water vapours are given off when we exhale. |
| D. | None of these |
| Answer» D. None of these | |
| 883. |
Match the columns and select the correct option.Column IColumn II(a) Excretory system1. Kidney(b) Digestive system2. Blood(c) Nervous system3. Liver(d) Circulatory system4. Brain(e) Skeletal system5. Heart 6. Bones 7. Lungs |
| A. | (a)-2, (b)-3, (c)-4, (d)-5, (e)-6 |
| B. | (a)-1, (b)-3, (c)-6, (d)-2, (e)-5 |
| C. | (a)-3, (b)-6, (c)-4, (d)-5, (e)-2 |
| D. | (a)-1, (b)-3, (c)-4, (d)-2, (e)-6 |
| Answer» E. | |
| 884. |
Number of bones in human body are: |
| A. | 204 |
| B. | 203 |
| C. | 206 |
| D. | 205 |
| E. | None of these |
| Answer» D. 205 | |
| 885. |
_______ is the only organ system that consists of different organs in a man and a woman. |
| A. | Nervous system |
| B. | Reproductive system |
| C. | Circulatory system |
| D. | Respiratory system |
| Answer» C. Circulatory system | |
| 886. |
Select the one that does not belong to that organ system to which the other three belong. |
| A. | Brain |
| B. | Spinal cord |
| C. | Nerves |
| D. | Lungs |
| Answer» E. | |
| 887. |
____ is the house used by the people who keep moving from one place to another. |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» D. | |
| 888. |
_____ is an example of synthetic fibre. |
| A. | Nylon |
| B. | Acrylic |
| C. | Polyester |
| D. | All of these |
| Answer» E. | |
| 889. |
A/An ______ can be made using the materials shown here. |
| A. | Igloo |
| B. | Houseboat |
| C. | Caravan |
| D. | Pucca house |
| Answer» E. | |
| 890. |
Select the correct statement about the clothes made of fibre obtained from the animal shown here. |
| A. | They do not trap air. |
| B. | They keep us warm. |
| C. | They are waterproof. |
| D. | They cannot be burnt. |
| Answer» C. They are waterproof. | |
| 891. |
The person shown in the given figure is supposed to be in his ____. |
| A. | Bathroom |
| B. | Kitchen |
| C. | Dining room |
| D. | Bedroom |
| Answer» E. | |
| 892. |
DIRECTION: Refer to the given word grid and answer the question. How many of these fibres are obtained from animals? |
| A. | Two |
| B. | Five |
| C. | Six |
| D. | One |
| Answer» B. Five | |
| 893. |
DIRECTION: Refer to the given word grid and answer the question. How many names of different fibres are hidden In the given word grid? |
| A. | Seven |
| B. | Three |
| C. | Six |
| D. | Four |
| Answer» C. Six | |
| 894. |
Select the option in which INCORRECT odd member is encircled. |
| A. | Nylon, Acrylic, Polyester, |
| B. | Tent, Caravan, Houseboat, |
| C. | Cotton, Silk, , Wool |
| D. | Raincoat, Skirt, T-shirt |
| Answer» E. | |
| 895. |
DIRECTION: Refer to the given picture and answer the question. Savitri is a nomad. To earn bread, she works as a helper in three homes which are on different floors. She lives in a and works in b. Which of the following options correctly identifies a and b in the figure? |
| A. | a-3, b-1 |
| B. | a-2, b-1 |
| C. | a-3, b-2 |
| D. | a-2, b-3 |
| Answer» D. a-2, b-3 | |
| 896. |
DIRECTION: Refer to the given picture and answer the question. The given houses can be grouped into two as ______. |
| A. | Portable and temporary houses |
| B. | Movable and portable houses |
| C. | Temporary and permanent houses |
| D. | Permanent and skyscraper houses |
| Answer» D. Permanent and skyscraper houses | |
| 897. |
Study the given flow chart carefully. Cotton and silk are represented by the letters ____ and ____ respectively. |
| A. | P, Q |
| B. | Q, R |
| C. | Q, S |
| D. | R, S |
| Answer» C. Q, S | |
| 898. |
Which of these can explain the reason for mud houses being common in desert areas like Rajasthan? |
| A. | Mud houses remain comparatively cooler in summers. |
| B. | Rainfall is very scarce in Rajasthan. |
| C. | The roofs are made of thorny bushes. |
| D. | Both (a) and (b) |
| Answer» E. | |
| 899. |
Select the correct match of the place and the houses commonly found there. |
| A. | |
| B. | |
| C. | |
| D. | All of these |
| Answer» E. | |
| 900. |
Which of the following items are used for cleaning purposes in the house? |
| A. | (a) and (b) only |
| B. | (b), (c) and (d) only |
| C. | (c) and (d) only |
| D. | (a), (b), (c) and (c) |
| Answer» C. (c) and (d) only | |