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MCQOPTIONS
This section includes 2637 Mcqs, each offering curated multiple-choice questions to sharpen your 7th Class knowledge and support exam preparation. Choose a topic below to get started.
| 1851. |
Which of the following is the correct sequence of steps involved in processing of wool? |
| A. | Sorting\[\to \]Grading\[\to \]Shearing\[\to \]Scouring \[\to \]Picking of burrs\[\to \]Dyeing |
| B. | Shearing\[\to \]Scouring\[\to \]Picking of burrs\[\to \]Grading, Sorting\[\to \]Dyeing |
| C. | Scouring\[\to \]Shearing\[\to \]Grading\[\to \]Picking of burrs\[\to \]Dyeing\[\to \]Sorting |
| D. | Shearing\[\to \]Scouring\[\to \]Sorting\[\to \]Picking of burrs\[\to \]Grading\[\to \]Dyeing |
| Answer» E. | |
| 1852. |
Can all the fleece of sheep be used to make wool? |
| A. | No, sheep has hair of different thickness and quality like us. |
| B. | No, sheep stays dirty which makes some fleece useless |
| C. | Yes, it can be done in case of few sheep?s |
| D. | Yes, as sheep?s have hair of same thickness |
| Answer» B. No, sheep stays dirty which makes some fleece useless | |
| 1853. |
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: What is the use of the process shown in the given figure? |
| A. | Removal of fleece of sheep |
| B. | Removal of direct, grass or grease from fleece of sheep. |
| C. | Boiling of cocoon for extraction of silk fibre. |
| D. | Separation of fleece of different texture. |
| Answer» C. Boiling of cocoon for extraction of silk fibre. | |
| 1854. |
The process of removing fleece along with a thin layer of skin from the body of sheep is called |
| A. | scouring |
| B. | grading |
| C. | shearing |
| D. | sorting |
| Answer» D. sorting | |
| 1855. |
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: Identify the given process |
| A. | Grading |
| B. | Reeling |
| C. | Scouring |
| D. | Shearing |
| Answer» E. | |
| 1856. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) 1 kg of raw silk is obtained from approximately 5500 silkworms (ii) The cocoon is made of a single continuous thread of raw silk. |
| A. | Statement (i) is correct while statement (ii) is incorrect. |
| B. | Statement (ii) is correct while statement (i) is incorrect. |
| C. | Both statements are correct |
| D. | Both statements are incorrect. |
| Answer» D. Both statements are incorrect. | |
| 1857. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Vicuna, Alpaca and Nali belong to camel family. (ii) Fur on the body of Bactrian camel is used as wool. |
| A. | Statement (i) is correct while statement (ii) is incorrect. |
| B. | Statement (ii) is correct while statement (i) is incorrect. |
| C. | Both statements are correct |
| D. | Both statements are incorrect. |
| Answer» C. Both statements are correct | |
| 1858. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) A male camel yields about 5 kg to 10 kg of wool while a female camel yields 20 kg to 30 kg wool in a year (ii) Vicunas are endangered species. |
| A. | Statement (i) is correct while statement (ii) is incorrect. |
| B. | Statement (ii) is correct while statement (i) is incorrect. |
| C. | Both statements are correct |
| D. | Both statements are incorrect. |
| Answer» C. Both statements are correct | |
| 1859. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Silk is a protein fibre Reason (R): Silk consists of fibroin protein |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» B. Both A and R are true but R is not the correct explanation of A. | |
| 1860. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Silk is comfortable to be worn in warm weather Reason (R): Silk is a bad conductor of heat |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» E. | |
| 1861. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Wool is a natural fibre Reason (R): Wool is obtained from animals like sheep, llama and goats |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» B. Both A and R are true but R is not the correct explanation of A. | |
| 1862. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage To improve the quality and production of wool, of our indigenous sheep, cross-breeding programme has been undertaken at a number of research centers in our country. During such trials, indigenous and exotic breeds of sheep are made to cross-breed for the production of superior wool quality and mutton. A superior quality sheep with desirable characteristics will be formed eventually after continuous selection and breeding programmes. Which of the following is Indian breed of sheep? |
| A. | Nellore |
| B. | Vienna |
| C. | Lohi |
| D. | Both (a) and (c) |
| Answer» E. | |
| 1863. |
Which kind of cloth can be used in both summer and winter? |
| A. | Wool |
| B. | Silk |
| C. | Cotton |
| D. | All of these |
| Answer» C. Cotton | |
| 1864. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II (A) Alpaca (p) Goat (B) Silkworm (q) Camel (C) Patanwadi (r) Mulberry (D) Angora (s) Sheep |
| A. | A\[\to \] (q), B\[\to \] (r), C\[\to \] (s), D\[\to \] (p) |
| B. | A\[\to \] (s), B\[\to \] (r), C\[\to \] (p), D\[\to \] (q) |
| C. | A\[\to \] (p), B\[\to \] (r), C\[\to \] (q), D\[\to \] (s) |
| D. | A\[\to \] (q), B\[\to \] (r), C\[\to \] (p), D\[\to \] (s) |
| Answer» B. A\[\to \] (s), B\[\to \] (r), C\[\to \] (p), D\[\to \] (q) | |
| 1865. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II (A) Australia (p) Silk (B) Science of rearing silkworms so as to obtain silk (q) Yields silk fibers (C) Cocoon (r) Wool (D) China (s) Sericulture |
| A. | A\[\to \] (r), B\[\to \] (q), C\[\to \] (s), D\[\to \] (p) |
| B. | A\[\to \] (r), B\[\to \] (s), C\[\to \] (q), D\[\to \] (p) |
| C. | A\[\to \] (p), B\[\to \] (s), C\[\to \] (q), D\[\to \] (r) |
| D. | A\[\to \] (q), B\[\to \] (s), C\[\to \] (r), D\[\to \] (p) |
| Answer» C. A\[\to \] (p), B\[\to \] (s), C\[\to \] (q), D\[\to \] (r) | |
| 1866. |
Woolen fibre is |
| A. | cellulose |
| B. | sericin |
| C. | polyester |
| D. | keratin |
| Answer» E. | |
| 1867. |
Workers of which fabric industry have maximum possibility of getting infected by anthrax? |
| A. | silk |
| B. | cotton |
| C. | nylon |
| D. | wool |
| Answer» E. | |
| 1868. |
Complete the following corelation: Silkworm: Cocoon:: Wool: ______ |
| A. | Jute plant |
| B. | Cotton plant |
| C. | Fleece of ship |
| D. | Hemp plant |
| Answer» D. Hemp plant | |
| 1869. |
Wool is graded according to its |
| A. | colour |
| B. | texture |
| C. | length |
| D. | All of these |
| Answer» E. | |
| 1870. |
The best wool is obtained from |
| A. | goat |
| B. | yak |
| C. | camel |
| D. | sheep |
| Answer» E. | |
| 1871. |
Silkworm feeds on |
| A. | mulberry leaves |
| B. | bamboo leaves |
| C. | neem leaves |
| D. | banyan leaves |
| Answer» B. bamboo leaves | |
| 1872. |
The silkworm is also called |
| A. | pupa |
| B. | silk moth |
| C. | caterpillar |
| D. | eggs |
| Answer» D. eggs | |
| 1873. |
A lot of feeding is required at the |
| A. | cocoon stage |
| B. | pupa stage |
| C. | larva stage |
| D. | adult stage |
| Answer» D. adult stage | |
| 1874. |
Silk thread is obtained from |
| A. | Pupa |
| B. | Larva |
| C. | Cocoon |
| D. | Adult moth |
| Answer» D. Adult moth | |
| 1875. |
Woollen clothes are made from |
| A. | Animals |
| B. | Plants |
| C. | Insects |
| D. | Bacteria |
| Answer» B. Plants | |
| 1876. |
Find from the following where Silk Industry began |
| A. | India |
| B. | China |
| C. | Tibet |
| D. | Africa |
| Answer» C. Tibet | |
| 1877. |
Silk fibre obtained from silk moth is______ |
| A. | Carbohydrate |
| B. | Fat |
| C. | Protein |
| D. | Sugars |
| Answer» D. Sugars | |
| 1878. |
Silkworm is reared through |
| A. | agriculture |
| B. | apiculture |
| C. | sericulture |
| D. | floriculture |
| Answer» D. floriculture | |
| 1879. |
Pashmina shawls are belongs to |
| A. | South America |
| B. | Kashmir |
| C. | South Africa |
| D. | Gujarat |
| Answer» C. South Africa | |
| 1880. |
The process of washing fleece to remove dust, dirt and grease is called |
| A. | Reeling |
| B. | Scouring |
| C. | Shearing |
| D. | Grading |
| Answer» C. Shearing | |
| 1881. |
Which Indian breed of sheep gives good quality wool? |
| A. | Nali |
| B. | Marwari |
| C. | Lohi |
| D. | None of these |
| Answer» D. None of these | |
| 1882. |
Cocoon is- |
| A. | a caterpillar |
| B. | the fibre cover spun by the silk larva around its body on changing into pupa state |
| C. | a silk moth |
| D. | a variety of silk |
| Answer» C. a silk moth | |
| 1883. |
Which breed of sheep gives finest wool? |
| A. | Merino |
| B. | Patanwadi |
| C. | Nali |
| D. | None of these |
| Answer» B. Patanwadi | |
| 1884. |
The process of taking out thread from the cocoon for use as silk is called |
| A. | Rolling |
| B. | Spinning |
| C. | Reeling |
| D. | Grading |
| Answer» D. Grading | |
| 1885. |
Electric fuse is used to protect household electric appliances from accidental: |
| A. | Small flow of current |
| B. | Large flow of current |
| C. | No flow of current |
| D. | All the above |
| E. | None of these |
| Answer» C. No flow of current | |
| 1886. |
"A wire carrying an electric current possesses a magnetic field around it" was concluded by: |
| A. | Charles Darwin |
| B. | Galileo Galilei |
| C. | H.C. Oersted |
| D. | Albert Einstein |
| E. | None of these |
| Answer» D. Albert Einstein | |
| 1887. |
Element of electric iron become red-hot on passing current because: |
| A. | Colour of element is red. |
| B. | It has very high resistance. |
| C. | It has a thick wire. |
| D. | All the above |
| E. | None of these |
| Answer» C. It has a thick wire. | |
| 1888. |
Nichrome is an alloy of: |
| A. | Chromium |
| B. | Iron |
| C. | Nickel |
| D. | All the above |
| E. | None of these |
| Answer» E. None of these | |
| 1889. |
Scientist who showed white light is made up of seven colours was: |
| A. | Galileo Galilei |
| B. | Isaac Newton |
| C. | Nicolaus Copernicus |
| D. | James watt |
| E. | None of these |
| Answer» C. Nicolaus Copernicus | |
| 1890. |
Look at the following figure and find the position of the image |
| A. | At pole |
| B. | At focus |
| C. | Between focus and centre of curvature |
| D. | Beyond centre of curvature |
| E. | None of these |
| Answer» D. Beyond centre of curvature | |
| 1891. |
Phenomenon of advance sunrise and delayed sunset is caused by: |
| A. | Reflection of light |
| B. | Refraction of light |
| C. | Dispersion of light |
| D. | All the above |
| E. | None of these |
| Answer» C. Dispersion of light | |
| 1892. |
Radius of curvature of a concave mirror is 8 cm. What is the focal length the concave mirror? |
| A. | 8 cm |
| B. | 4 cm |
| C. | 16 cm |
| D. | 20 cm |
| E. | None of these |
| Answer» C. 16 cm | |
| 1893. |
A ray of light is incident on a plane mirror and angle of incidence is\[{{80}^{o}}\]. Calculate the angle between incident ray and the reflected ray. |
| A. | \[{{80}^{o}}\] |
| B. | \[{{40}^{o}}\] |
| C. | \[{{160}^{o}}\] |
| D. | \[{{100}^{o}}\] |
| E. | None of these |
| Answer» D. \[{{100}^{o}}\] | |
| 1894. |
A person is standing 2.5m from a plane mirror. How far is the image from the person? |
| A. | 2.5 m |
| B. | 3 m |
| C. | 5 m |
| D. | 2.8 m |
| E. | None of these |
| Answer» D. 2.8 m | |
| 1895. |
Which one of the following is the S.I. unit for potential difference? |
| A. | Ampere |
| B. | Ohm |
| C. | Volt |
| D. | Metre |
| E. | None of these |
| Answer» D. Metre | |
| 1896. |
Images that can be obtained on screen are: |
| A. | Virtual images |
| B. | Real images |
| C. | Shadows |
| D. | Reflected images |
| E. | None of these |
| Answer» C. Shadows | |
| 1897. |
From which one of the following you will always get a virtual, erect and of the same size as object image? |
| A. | Concave mirror |
| B. | Convex mirror |
| C. | Plane mirror |
| D. | Concave lens |
| E. | None of these |
| Answer» D. Concave lens | |
| 1898. |
The given figure is showing: |
| A. | Converging of light rays. |
| B. | Diverging of light rays. |
| C. | Dispersion of light. |
| D. | All the above |
| E. | None of these |
| Answer» B. Diverging of light rays. | |
| 1899. |
Distance from focus to the centre of lens is: |
| A. | Focal point |
| B. | Focal length |
| C. | Centre of Curvature |
| D. | Radius of Curvature |
| E. | None of these |
| Answer» C. Centre of Curvature | |
| 1900. |
A dentist uses ____ to see a magnified image of a teeth. |
| A. | Concave mirror |
| B. | Convex mirror |
| C. | Plane mirror |
| D. | Concave lens |
| E. | None of these |
| Answer» B. Convex mirror | |