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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.
| 101. |
The year 2003 AD was recognized as international year of fresh water, so as to |
| A. | propagate about the natural resource. |
| B. | make people aware of this dwindling natural resource. |
| C. | create awareness about the availability of water in the world. |
| D. | celebrate it as a long festival. |
| Answer» C. create awareness about the availability of water in the world. | |
| 102. |
Which of the following statements are incorrect regarding the given animals? (i) Both X and Y possess streamlined body and webbed feet. (ii) Both are good swimmers. (iii) Y has a thick layer of fat under its skin with fur on its body, while X has thick skin and a layer of fat under its skin. (iv) Both live together in large numbers and huddle together to keep themselves warm. (v) Y has very strong sense of smell unlike X. |
| A. | (ii) and (iv) only |
| B. | (i), (ii) and (iv) only |
| C. | (ii), (iii) and (v) only |
| D. | (iv) only |
| Answer» E. | |
| 103. |
Three species of fishes X, Y and Z with different body patterns are found in a lake. A predator who feeds on all these three fishes is introduced into the lake. Which of these fishes will be least affected? |
| A. | Fish Z because it lives near the ground. |
| B. | Fish V because it can show camouflage. |
| C. | Fish X because it lives near surface. |
| D. | All the three fishes will be equally affected. |
| Answer» C. Fish X because it lives near surface. | |
| 104. |
In which case will the air move faster? |
| A. | While moving from a region of pressure 2 atmospheres to that of 1 atmosphere |
| B. | While moving from region of pressure 1 atmosphere to that of 2 atmospheres |
| C. | While moving from a region of pressure 3 atmospheres to that of 1 atmosphere |
| D. | It will move with same speed in all the above cases. |
| Answer» D. It will move with same speed in all the above cases. | |
| 105. |
Which of these countries is most likely to be affected by cyclones? |
| A. | Nepal |
| B. | Indonesia |
| C. | Hungary |
| D. | Mongolia |
| Answer» C. Hungary | |
| 106. |
Identify the oil which may exist along with ground water over the bedrocks? |
| A. | Crude oil |
| B. | Mustard oil |
| C. | Sand oil |
| D. | Groundnut oil |
| Answer» B. Mustard oil | |
| 107. |
_____ and _____ soils are suitable for growing cereals like wheat and gram. |
| A. | Clayey and Loamy |
| B. | Sandy and Clayey |
| C. | Sandy and Loamy |
| D. | Silt and Sandy |
| Answer» B. Sandy and Clayey | |
| 108. |
Which of the following will rise the highest in the atmosphere? |
| A. | Air at \[{{10}^{\text{o}}}C\] |
| B. | Air at \[{{40}^{\text{o}}}C\] |
| C. | Air at \[{{20}^{\text{o}}}C\] |
| D. | Air at \[-{{5}^{\text{o}}}C\] |
| Answer» C. Air at \[{{20}^{\text{o}}}C\] | |
| 109. |
A man holding a suitcase of mass 15 kg and was waiting for a bus from past 15 minutes. Then the work done is |
| A. | Positive |
| B. | Negative |
| C. | Zero |
| D. | 15joule |
| Answer» D. 15joule | |
| 110. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 Vermi Processing toilet has been tested in India and has been found to be a novel, low water use toilet. This process is simple and hygienic. What is used to treat the human waste in these toilets? |
| A. | Chemicals |
| B. | Earthworms |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» C. Both (a) and (b) | |
| 111. |
Wind can be defined as: |
| A. | Dry air |
| B. | Humid air |
| C. | Moving air |
| D. | Hot air |
| E. | None of these |
| Answer» D. Hot air | |
| 112. |
Fill in the blank with the most appropriate option. _____ is caused by high speed wind. |
| A. | High pressure |
| B. | Rain |
| C. | Volcano |
| D. | Low pressure |
| E. | None of these |
| Answer» E. None of these | |
| 113. |
The rotting dead matter in the soil is called___ |
| A. | decomposition |
| B. | humus |
| C. | petrification |
| D. | minerals |
| Answer» C. petrification | |
| 114. |
Which organ is represented by X in the human body? |
| A. | The skin |
| B. | The heart |
| C. | The lungs |
| D. | The kidneys |
| Answer» D. The kidneys | |
| 115. |
DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labeled 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): Water cycle maintains total water reserves on earth. Reason (R): Water cycle involves continuous cycling of water into solid, liquid and gaseous forms of water. |
| 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» C. A is true but R is false. | |
| 116. |
The heart pumps blood to transport oxygen from the lungs to the hand of a person. Which of these sequence shows the correct path for the flow of blood? |
| A. | Left atrium \[\to \] left ventricle \[\to \]aorta |
| B. | Left atrium\[\to \] aorta \[\to \] right ventricle |
| C. | Right atrium \[\to \] right ventricle \[\to \] aorta |
| D. | Right atrium \[\to \]aorta\[\to \]right ventricle |
| Answer» B. Left atrium\[\to \] aorta \[\to \] right ventricle | |
| 117. |
The use of any combination of materials, coloration for riding of an animals is called |
| A. | Camouflage adaptation |
| B. | Behavioral adaptation |
| C. | Physiological adaptation |
| D. | Structural adaptation |
| Answer» C. Physiological adaptation | |
| 118. |
The given bar chart shows the concentration of oxygen in blood samples from four places in the circulatory system of a man. Which sample was taken from the pulmonary artery? |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» B. Q | |
| 119. |
Read the following statements and select the correct option. Statement 1: Doctors use the urine test to diagnose some diseases in the body. Statement 2: An examination of urine tells a lot about whether various organs in the body are functioning normally or not. |
| A. | Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. |
| B. | Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. |
| C. | Statement 1 is true but statement 2 is false. |
| D. | Both statements 1 and 2 are false. |
| Answer» B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. | |
| 120. |
DIRECTIONS: Match Column I with column Ii and select the correct answers using the code given below the columns. Column-I Column-II (A) Ground water (p) Surface water (B) Ocean (q) Aquifers (C) Clouds (r) Rain (D) Precipitadon (s) Dirt and water vapours |
| A. | (A) \[\to \] (p),(B) \[\to \] (q),(C) \[\to \] (r),(D) \[\to \] (s) |
| B. | (A) \[\to \] (q),(B) \[\to \] (p),(C) \[\to \] (s),(D) \[\to \] (r) |
| C. | (A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (q) |
| D. | (A) \[\to \] (s),(B) \[\to \] (r),(C) \[\to \] (q),(D) \[\to \] (p) |
| Answer» C. (A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (q) | |
| 121. |
Paws of polar bear are wide and large. They |
| A. | help it to swim |
| B. | help it to walk with ease in snow |
| C. | both the above |
| D. | none of these is correct |
| Answer» D. none of these is correct | |
| 122. |
When high speed wind blows, an umbrella held upright sometimes get upturned. The reason being |
| A. | High speed wind creates a high pressure zone above and below the umbrella |
| B. | High speed wind creates a low pressure zone above and high pressure zone below the umbrella |
| C. | High speed wind creates a low pressure zone below and high pressure zone above the umbrella |
| D. | None of these |
| Answer» C. High speed wind creates a low pressure zone below and high pressure zone above the umbrella | |
| 123. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II (A) Bed rock (p) Made up of small lumps of rocks with cracks (B) C-horizon (q) Removal of top soil by water, wind and ice (C) Humus (r) Makes soil fertile (D) Soil erosion (s) Difficult to dig with a spade |
| A. | (A) \[\to \] (s), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (q) |
| B. | (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) |
| C. | (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (s) |
| D. | (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) |
| Answer» B. (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) | |
| 124. |
The figure below shows the blood flow from artery to Q and then to R. What is Q? |
| A. | Capillary |
| B. | Vein |
| C. | Heart |
| D. | Skin |
| Answer» B. Vein | |
| 125. |
In which one of the following process number of chromosomes gets doubled? |
| A. | Ovulation |
| B. | Pollination |
| C. | Fertilization |
| D. | Germination |
| E. | None of these |
| Answer» D. Germination | |
| 126. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) B-horizon is the most fertile part of the soil. (ii) Bed rock lies above sub-soil. |
| 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» E. | |
| 127. |
Dried _____ is used as manure |
| A. | sludge |
| B. | slury |
| C. | sewage |
| D. | sand |
| Answer» B. slury | |
| 128. |
What makes the earth appear blue from the outer space? |
| A. | The presence of forest |
| B. | The presence of sky |
| C. | The presence of water |
| D. | All of the above |
| Answer» D. All of the above | |
| 129. |
Chemical energy is converted into electrical energy by |
| A. | battery |
| B. | washing machine |
| C. | fen |
| D. | Refrigerator |
| Answer» B. washing machine | |
| 130. |
This is the organ in which oxygen is abstracted from the air and it remains under the protection of rib cage. Name the organ. |
| A. | Lungs |
| B. | Liver |
| C. | Kidney |
| D. | Heart |
| E. | None of these |
| Answer» B. Liver | |
| 131. |
Which one of the following works is not done by forests? |
| A. | Forests prevent floods |
| B. | Forests prevent soil erosion |
| C. | They supply carbon dioxide to the atmosphere |
| D. | They supply oxygen to the atmosphere |
| E. | None of these |
| Answer» D. They supply oxygen to the atmosphere | |
| 132. |
Which of the following is NOT affected by a difference in air pressure?= P-Hurricane Q - Tornado R - Volcano |
| A. | Only P and Q |
| B. | Only Q and R |
| C. | Only Q |
| D. | Only R |
| Answer» E. | |
| 133. |
Which crop is grown in black soil? |
| A. | Wheat |
| B. | Gram |
| C. | Paddy |
| D. | Cotton |
| Answer» E. | |
| 134. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) The inorganic impurities present in waste water are herbicides, pesticides, oil etc. (ii) The organic impurities are phosphates, metals, nitrates etc. (iii) There are no germs/bacteria present in waste water. |
| A. | Statements (i) and (iii) are incorrect but (ii) is correct. |
| B. | Statements (i) and (ii) are incorrect but (iii) is correct. |
| C. | All statements are correct. |
| D. | All statements are incorrect. |
| Answer» E. | |
| 135. |
A body goes 30 km east then 20 km north then 80 km west and then 50 km east. Find the displacement of the body from the initial position. |
| A. | 0 km |
| B. | 20 km |
| C. | 50 km |
| D. | 180 km |
| E. | None of these |
| Answer» C. 50 km | |
| 136. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II (A) A home for living organisms (p) Lesser amount of humus (B) Middle layer of the soil (q) Pots and toys (C) Cotton (r) All kinds of soil (D) Clayey soil (s) Sandy loam soil |
| A. | (A) \[\to \] (r), (B) \[\to \] (p), (C) \[\to \] (s), (D) \[\to \] (q) |
| B. | (A) \[\to \] (q), (B) \[\to \] (s), (C) \[\to \] (p), (D) \[\to \] (r) |
| C. | (A) \[\to \] (p), (B) \[\to \] (r), (C) \[\to \] (s), (D) \[\to \] (q) |
| D. | (A) \[\to \] (r), (B) \[\to \] (p), (C) \[\to \] (q), (D) \[\to \] (s) |
| Answer» B. (A) \[\to \] (q), (B) \[\to \] (s), (C) \[\to \] (p), (D) \[\to \] (r) | |
| 137. |
DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labeled 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): Middle layer of the soil is harder and more compact. Reason (R): The layer below middle layer is called bed rock. |
| 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» D. A is false but R is true. | |
| 138. |
Which one of the following processes is used for obtaining silk from cocoons? |
| A. | Scouring |
| B. | Combing |
| C. | Reeling |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 139. |
These animals have a highly developed sense of smell, can run very fast, have long, strong and sharp claws in their front legs to catch their prey. |
| A. | Toucans |
| B. | Big cats |
| C. | Elephants |
| D. | Monkeys |
| E. | None of these |
| Answer» C. Elephants | |
| 140. |
Animal with silver-white 'mane' which surrounds its head from the cheecks down to its chin. |
| A. | Lion |
| B. | Elephant |
| C. | Lion-tailed Macaque |
| D. | Musk ox |
| E. | None of these |
| Answer» D. Musk ox | |
| 141. |
DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labeled 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): The underground network of big and small pipes that carries sewage from point of being produced to the point of disposal is known as sewerage; Reason (R): In sewerage manholes are located at every 30 m to 40 m. |
| 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» D. A is false but R is true. | |
| 142. |
Air pressure at poles is ____air pressure at equator is ______. |
| A. | High, low |
| B. | Low, high |
| C. | Low, low |
| D. | High, high |
| E. | None of these |
| Answer» B. Low, high | |
| 143. |
Centre of cyclone is known as: |
| A. | Epicentre of cyclone |
| B. | Eye of cyclone |
| C. | Focus of cyclone |
| D. | Wall of cyclone |
| E. | None of these |
| Answer» C. Focus of cyclone | |
| 144. |
The sludge waste originates from |
| A. | kitchen |
| B. | toilets |
| C. | industrial organizations |
| D. | commercial organizations |
| Answer» B. toilets | |
| 145. |
Read the following statements. (i) ___tissue is involved in transportation of food in plants. (ii) Transpiration produces a__ pull in the plant that causes the water to move upwards. (iii) __ is the loss of water from leaves and other aerial parts of a plant. ' (iv) __ are known as soldiers of the body. Select the option that correctly fills up the blanks in any two of the statements. |
| A. | (i)-Phloem; (iii)-Transpiration |
| B. | (ii)-Suction; (iv)-Platelets |
| C. | (i)-Xylem; (iv)-Leucocytes |
| D. | (iii) Transpiration; (iv) Plasma |
| Answer» B. (ii)-Suction; (iv)-Platelets | |
| 146. |
The parts of human excretory system are given below. (i) Bladder (ii) Kidney (iii) Ureter (iv) Urethra In which order does urine pass through these structures? |
| A. | (ii)\[\to \](iii)\[\to \](i)\[\to \](iv) |
| B. | (i)\[\to \](iii)\[\to \](iv)\[\to \](ii) |
| C. | (ii)\[\to \](iv)\[\to \](i)\[\to \](iii) |
| D. | (iv)\[\to \](iii)\[\to \](i)\[\to \](ii) |
| Answer» B. (i)\[\to \](iii)\[\to \](iv)\[\to \](ii) | |
| 147. |
DIRECTION: Match column-I with Column-II and select the correct answer using the code given below the columns. Column I shows some devices and column II shows transformation of energy for which they are used. Column-I Column-II (A) Electric motor (p) Electrical energy to heat energy (B) Automobile engine (q) Electrical energy to mechanical energy (C) Electric heater (r) Light energy to electrical energy (D) Photocell (s) Heat energy to mechanical energy |
| A. | A\[\to \] (q), B\[\to \] (s), C\[\to \] (p), D\[\to \] (r) |
| B. | A\[\to \] (r), B\[\to \] (p), C\[\to \] (s), D\[\to \] (q) |
| C. | A\[\to \] (p), B\[\to \] (q), C\[\to \] (r), D\[\to \] (s) |
| D. | A\[\to \] (s), B\[\to \] (r), C\[\to \] (q), D\[\to \] (p) |
| Answer» B. A\[\to \] (r), B\[\to \] (p), C\[\to \] (s), D\[\to \] (q) | |
| 148. |
Humus: |
| A. | makes the soil fertile |
| B. | provides nutrients to growing plants |
| C. | Both the above |
| D. | None of these |
| Answer» D. None of these | |
| 149. |
DIRECTIONS: Read the passages given below and answer the questions that follow. Passage - 1 The weather forecast for a week has been shown in the table below. Day Max \[{{(}^{\mathbf{o}}}\mathbf{C})\] Min \[{{(}^{\mathbf{o}}}\mathbf{C})\] Forecast Sun 36 24 Sunny and hot Mon 34 22 Sunny Tue 30 20 Dry and cloudy Wed 32 21 Cloudy Thurs 27 16 Rain Fri 30 20 Light Showers Sat 32 21 Cloudy Based on this information answer the following questions: On which day will clothes dry faster? |
| A. | Saturday |
| B. | Sunday |
| C. | Friday |
| D. | Thursday |
| Answer» C. Friday | |
| 150. |
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Which of the horizon in this soil profile shown below is expected to have maximum amount of humus? |
| A. | Horizon-A |
| B. | Horizon-B |
| C. | Horizon-C |
| D. | Bedrock |
| Answer» B. Horizon-B | |