All questions of Practice Test (EVS) for CTET & State TET Exam

Pulses are a rich source of which of the following? 
  • a)
    Carbohydrates 
  • b)
    Proteins 
  • c)
    Minerals 
  • d)
    Vitamin A 
Correct answer is option 'B'. Can you explain this answer?

Nisha Reddy answered
**Pulses are a rich source of which of the following?**

- a) Carbohydrates
- b) Proteins
- c) Minerals
- d) Vitamin A

**Correct answer is option 'B'.**

**Explanation:**

**Definition of Pulses:**
Pulses are a type of legume that includes beans, lentils, chickpeas, and peas. They are high in protein and fiber and are low in fat. Pulses are an important food source for many cultures around the world and are often a staple in vegetarian and vegan diets.

**Rich Source of Proteins:**
Pulses are considered a rich source of proteins. Proteins are essential nutrients that play a vital role in the growth, repair, and maintenance of tissues in the body. They are made up of amino acids, which are the building blocks of protein. Pulses contain a high concentration of amino acids, making them an excellent source of plant-based protein.

**Benefits of Protein Consumption:**
Including pulses in your diet can have several benefits:

1. Muscle Development and Repair: Proteins are essential for building and repairing muscles. Consuming an adequate amount of protein can help support muscle growth and recovery after exercise.

2. Satiety: Protein-rich foods are generally more filling and can help reduce hunger and cravings. Including pulses in your meals can help you feel satisfied and prevent overeating.

3. Weight Management: High-protein diets have been shown to be beneficial for weight management. Protein can help increase metabolism and reduce appetite, leading to a higher calorie burn and potential weight loss.

4. Nutrient Density: Pulses not only provide protein but are also packed with other essential nutrients such as fiber, vitamins, and minerals. Including them in your diet can help ensure you're getting a well-rounded intake of nutrients.

**Conclusion:**
In conclusion, pulses are a rich source of proteins. Including them in your diet can provide the essential amino acids needed for muscle development and repair, as well as offer other health benefits such as satiety, weight management, and nutrient density.

Which sanctuary in India is famous for Rhinoceros and in which state is it located? 
  • a)
    Gir, Gujarat 
  • b)
    Kaziranga, Assam 
  • c)
    Ranthambore, Rajasthan 
  • d)
    Corbett, Uttarakhand 
Correct answer is option 'B'. Can you explain this answer?

​Kaziranga National Park situated in Assam state of India, is a UNESCO world heritage sites of India and known for Great Indian one horned Rhinoceros. Kaziranga also boasts the highest density of tigers among the protected areas in the world and was declared a Tiger Reserve in 2006. 

Bandhavgarh National Park is located in which State? 
  • a)
    Maharashtra 
  • b)
    Madhya Pradesh 
  • c)
    Gujarat 
  • d)
    Jharkhand 
Correct answer is option 'B'. Can you explain this answer?

​Bandhavgarh National Park is one of the wild life sanctuaries in the Indian state Madhya Pradesh. Bandhavgarh was declared a national park in 1968. The density of the tiger population at Bandhavgarh is one of the highest known in India. 

Who among the following is associated with ‘NITI Aayog’? 
  • a)
    Rajiv kumar 
  • b)
    Kaushik Basu 
  • c)
    Amartya Sen 
  • d)
    P. Chidambaram 
Correct answer is option 'A'. Can you explain this answer?

Anand Desai answered
​The National Institution for Transforming India, also called NITI Aayog, was formed via a resolution of the Union Cabinet on January 1, 2015. Prime Minister Narendra Modi is the Chairman of NITI Aayog.Rajiv kumar is the Vice Chairperson. 

Which among the following is the major cause of acid rain? 
  • a)
    Carbon dioxide 
  • b)
    Carbon monoxide 
  • c)
    Nitrogen dioxide 
  • d)
    Oxygen 
Correct answer is option 'C'. Can you explain this answer?

Varun Ghosh answered
​Acid rain results when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents. The SO2 and NOX react with water, oxygen and other chemicals to form sulfuric and nitric acids. These then mix with water and other materials before falling to the ground. 

S Balachander is associated to which musical instrument? 
  • a)
    Sitar 
  • b)
    Santoor 
  • c)
    Veena 
  • d)
    Sarangi 
Correct answer is option 'C'. Can you explain this answer?

Gowri Datta answered
​S. Balachander, 60, is the unchallenged king of the veena on which he plays Carnatic music with dazzling virtuosity.

The normal, RBC count in adult male is - 
  • a)
    4.7- 6.1 million 
  • b)
    7.5- 8.5 million 
  • c)
    2- 3 million 
  • d)
    1.5- 2.5 million
Correct answer is option 'A'. Can you explain this answer?

Normal RBC Count in Adult Males

The normal range of red blood cell (RBC) count in adult males is typically between 4.7 and 6.1 million cells per microliter (µL) of blood. This range may vary slightly depending on the laboratory and the specific reference range used.

Red Blood Cells and Their Importance

Red blood cells, or erythrocytes, are an essential component of the blood. They are responsible for carrying oxygen from the lungs to different tissues and organs in the body, and they also play a role in removing carbon dioxide, a waste product of cellular metabolism.

The number of red blood cells in the bloodstream is an important indicator of overall health and can provide insights into various medical conditions. An abnormal RBC count can be a sign of anemia, polycythemia, or other blood disorders.

Factors Affecting RBC Count

Several factors can influence the RBC count in individuals, including age, sex, altitude, and certain medical conditions.

Age and Sex: RBC counts are generally higher in newborns and gradually decrease as individuals age. Additionally, males typically have higher RBC counts than females due to hormonal differences.

Altitude: At higher altitudes, where oxygen levels are lower, the body compensates by producing more red blood cells to ensure sufficient oxygen delivery. Therefore, individuals living at higher altitudes may have higher RBC counts.

Medical Conditions: Certain medical conditions, such as anemia, kidney disease, bone marrow disorders, and chronic lung diseases, can affect RBC production and lead to abnormal RBC counts.

Interpreting RBC Count Results

When interpreting RBC count results, healthcare professionals consider the individual's age, sex, medical history, and symptoms. If the RBC count falls outside the normal range, further investigation may be required to determine the underlying cause.

It is important to note that RBC count alone is not sufficient to diagnose a specific medical condition. Additional blood tests, such as hemoglobin and hematocrit levels, as well as a thorough medical evaluation, are necessary for accurate diagnosis and appropriate treatment.

Conclusion

In conclusion, the normal RBC count in adult males typically falls between 4.7 and 6.1 million cells per µL of blood. However, it is essential to consider other factors, such as age, sex, altitude, and medical conditions, when interpreting RBC count results. If there are concerns about an individual's RBC count, it is best to consult a healthcare professional for further evaluation and guidance.

India is a union of states means 
  • a)
    It is more centralised 
  • b)
    It is more decentralised 
  • c)
    It is a confederation 
  • d)
    None of the above 
Correct answer is option 'A'. Can you explain this answer?

Arya Gupta answered
​India is a union of states means that state have no right to secede from the federation .The federation is indestructible. The country is an integral whole and is divided into different state only for the convenience of administration. 

Which of the following is not a fundamental duty? 
  • a)
    To abide by constitution and respect the National Flag 
  • b)
    To promote harmony and brotherhood 
  • c)
    To uphold and protect the sovereignty 
  • d)
    Abolition of titles except military and academic 
Correct answer is option 'D'. Can you explain this answer?

Chirag Chavan answered
Not a fundamental duty: Abolition of titles except military and academic

Explanation:

The fundamental duties are a set of moral obligations that are listed in Part IV-A of the Indian Constitution. These duties were added through the 42nd Amendment Act in 1976 and serve as a reminder to citizens about their responsibilities towards the nation. They are not legally enforceable, but they are considered essential for the overall well-being and progress of society.

a) To abide by the constitution and respect the National Flag:
This is one of the fundamental duties mentioned in Article 51A(a) of the Indian Constitution. It emphasizes the importance of respecting and following the principles enshrined in the constitution, which is the supreme law of the land. By abiding by the constitution and respecting the National Flag, citizens show their allegiance to the nation and its values.

b) To promote harmony and brotherhood:
This is another fundamental duty listed in Article 51A(e) of the Indian Constitution. It highlights the significance of fostering a sense of unity and goodwill among all individuals irrespective of their religion, language, or region. Promoting harmony and brotherhood helps in maintaining social cohesion and prevents conflicts and divisions within society.

c) To uphold and protect the sovereignty:
Upholding and protecting the sovereignty of the country is a fundamental duty mentioned in Article 51A(c) of the Indian Constitution. It signifies the responsibility of citizens to safeguard the integrity, independence, and security of the nation. By being vigilant and actively participating in the democratic process, citizens contribute to the protection of the country's sovereignty.

d) Abolition of titles except military and academic:
This statement is not a fundamental duty. It does not appear in the list of fundamental duties provided in Article 51A of the Indian Constitution. However, it is important to note that the Indian Constitution does have provisions that discourage the conferment of titles, except for military and academic distinctions. This is mentioned in Article 18, which prohibits the state from conferring titles and honors.

In conclusion, the correct answer is option 'D' - Abolition of titles except military and academic. This statement does not fall under the category of fundamental duties, although the Indian Constitution discourages the conferment of titles in general through Article 18.

The Estimates Committee of Parliament has how many members - 
  • a)
    35 
  • b)
    30 
  • c)
    25 
  • d)
    20 
Correct answer is option 'B'. Can you explain this answer?

Sagnik Verma answered
​Estimate Committee largest committee of Parliament of India. It consists of 30 members who are elected by the Lok Sabha every year from amongst its members. 

The uppermost layer over the earth's surface is called the ______. 
  • a)
    Mantle 
  • b)
    Core 
  • c)
    Crust 
  • d)
    Exosphere 
Correct answer is option 'C'. Can you explain this answer?

Sounak Sharma answered
The uppermost layer over the Earth's surface is called the Crust.

The Earth is composed of several layers, each with its own unique characteristics. The crust is the outermost layer and is the thinnest layer of the Earth, making up less than 1% of its total volume. It is also the layer that we interact with directly, as it is where the continents, oceans, and landforms are located.

The crust can be further divided into two types: the continental crust and the oceanic crust.

1. Continental Crust:
- The continental crust is primarily composed of granitic rocks, which are less dense than the rocks found in the oceanic crust.
- It is thicker than the oceanic crust, ranging from 25 to 70 kilometers in thickness.
- The continental crust is less dense and more buoyant than the underlying mantle, which allows it to "float" on top.

2. Oceanic Crust:
- The oceanic crust is primarily composed of basaltic rocks, which are denser than the rocks found in the continental crust.
- It is thinner than the continental crust, ranging from 5 to 10 kilometers in thickness.
- The oceanic crust forms the floors of the ocean basins and is constantly being created and destroyed through the process of seafloor spreading and subduction.

The crust is also characterized by its tectonic activity, which is responsible for the formation of mountains, earthquakes, and volcanic activity. The movement and interaction of the crustal plates, known as plate tectonics, is driven by the underlying convective currents in the mantle.

In conclusion, the uppermost layer over the Earth's surface is called the crust. It is divided into the continental crust and the oceanic crust, both of which have distinct compositions and characteristics. The crust is the layer we interact with directly and is responsible for the formation of landforms and tectonic activity.

_______________ is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration. 
  • a)
    Diffusion 
  • b)
    Osmosis 
  • c)
    Active Transport 
  • d)
    Passive Transport 
Correct answer is option 'C'. Can you explain this answer?

Anushka Saha answered
​Active transport is the movement of molecules across a membrane from a region of their lower concentration to a region of their higher concentration in the direction against the concentration gradient. 

Which of the following is least likely to be an effect of global warming? 
  • a)
    Increased frequency of hurricanes 
  • b)
    Loss of fertile delta region as for agriculture 
  • c)
    Decreased rate of photosynthesis in vegetation 
  • d)
    Shrinking of the polar ice regions 
Correct answer is option 'C'. Can you explain this answer?

Anushka Saha answered
Some important effects of Global Warming are rising seas and increased coastal flooding, more destructive hurricanes, more frequent and intense heat waves, an increase in extreme weather events, more severe droughts, melting ice, destruction of coral reefs, loss of fertile delta region as for agriculture. Decreased rate of photosynthesis in vegetation is least likely to be an effect of global warming. 

On the average, what percentage of human body has the element of oxygen? 
  • a)
    65 
  • b)
    25 
  • c)
    10 
  • d)
Correct answer is option 'A'. Can you explain this answer?

Anand Desai answered
​In the human body, the oxygen is absorbed by the blood stream in the lungs, being then transported to the cells where an elaborated change process takes place. Approximately 65% of human body contains oxygen. 

Which of the following country doesn't matches to its famous tourist place? 
  • a)
    China – Great Wall of China 
  • b)
    Bhutan – Paro Taktsang 
  • c)
    Nepal – Pashupatinath Temple 
  • d)
    Sri Lanka – Padmanabhaswamy Temple 
Correct answer is option 'D'. Can you explain this answer?

Saanvi Kumar answered
​Padmanabhaswamy Temple is located in Thiruvananthapuram, Kerala, India. The temple is built in an intricate fusion of the indigenous Kerala style and the Dravidian style of architecture. 

Who was the second woman to become the president of the Indian National Congress in 1925 and the first Indian woman to do so? 
  • a)
    Vijaylakshmi Pandit 
  • b)
    Sarojini Naidu 
  • c)
    Padmaja Naidu 
  • d)
    Fathima Bibi 
Correct answer is option 'B'. Can you explain this answer?

Debanshi Ahuja answered
​Sarojini Naidu was a famous Indian poet and a major freedom fighter who went on becoming the first Indian woman to be appointed the president of the Indian National Congress in 1925 and second woman after Annie Besant to became president of Indian National Congress. 

‘Red Data Book’ provides an account of 
  • a)
    Endangered plants only 
  • b)
    Fossil plants 
  • c)
    Endangered plants and animals 
  • d)
    Extinct animals only 
Correct answer is option 'C'. Can you explain this answer?

Saanvi Kumar answered
The Red Data Book is the state document established for documenting rare and endangered species of animals, plants and fungi as well as some local sub-species that exist within the territory of the state or country. 

The study of Fungi is also known as - 
  • a)
    Cytology 
  • b)
    Myology 
  • c)
    Mycology 
  • d)
    Neurology 
Correct answer is option 'C'. Can you explain this answer?

Kaavya Patel answered
​Mycology is the branch of biology concerned with the study of fungi, including their genetic and biochemical properties, their taxonomy and their use to humans. 

Sandstone is which type of rock? 
  • a)
    Calcareous Rock 
  • b)
    Igneous Rock 
  • c)
    Metamorphic Rock 
  • d)
    Sedimentary Rock 
Correct answer is option 'D'. Can you explain this answer?

Aryan Banerjee answered
Sandstone is a type of sedimentary rock.

Sedimentary rocks are formed from the accumulation and consolidation of sediments or particles derived from pre-existing rocks, minerals, or organic material. These sediments are transported and deposited by wind, water, ice, or gravity. Over time, these sediments undergo compaction and cementation, resulting in the formation of sedimentary rocks.

Formation of Sandstone:

1. Sediment Accumulation: Sandstone is primarily composed of sand-sized grains of mineral, rock, or organic material. These grains are derived from the weathering and erosion of pre-existing rocks. The sediments are typically transported and deposited by rivers, wind, or ocean currents.

2. Compaction: As the sediments accumulate, the weight of the overlying layers causes the lower layers to become compacted. This compaction reduces the pore spaces between the grains, resulting in the expulsion of air and water.

3. Cementation: The remaining pore spaces within the compacted sediment are filled with cementing materials, such as silica, calcite, or iron oxide. These cementing materials act as a binding agent, holding the grains together and forming a solid rock.

Characteristics of Sandstone:

- Sandstone is predominantly composed of sand-sized grains, which are typically between 0.0625 and 2 millimeters in diameter.
- The grains are often well-rounded and well-sorted, indicating that they have undergone significant transport and sorting processes.
- The color of sandstone can vary, depending on the types of minerals present. Common colors include tan, yellow, red, brown, and gray.
- Sandstone often exhibits distinct bedding or layering, which is a result of the different depositional environments or variations in sediment supply over time.
- It has a medium grain size, falling between the coarser-grained conglomerate and the finer-grained siltstone.

Uses of Sandstone:

Due to its durability, weather resistance, and aesthetic appeal, sandstone has been used for various purposes throughout history. Some common uses of sandstone include:

- Building and construction materials, such as bricks, blocks, and cladding.
- Monumental and architectural structures, such as temples, palaces, and forts.
- Paving stones, flooring tiles, and decorative features.
- Grindstones and abrasive materials for shaping and polishing.
- Landscaping and garden features, such as rock walls and pathways.

In conclusion, sandstone is a type of sedimentary rock that forms from the accumulation, compaction, and cementation of sand-sized sediments. It is characterized by its grain size, color, bedding, and uses in various industries.

Saraswati Samman is given to which field? 
  • a)
    History 
  • b)
    Science 
  • c)
    Literature 
  • d)
    Social Harmony 
Correct answer is option 'C'. Can you explain this answer?

Prasad Kumar answered
​The Saraswati Samman is an annual award for outstanding prose or poetry literary works in any 22 Indian language listed in Schedule VIII of the Constitution of India. It is named after an Indian goddess of learning and is considered to be among the highest literary awards in India. 

People with Down’s syndrome invariably affected by: 
  • a)
    Huntington’s disease 
  • b)
    Alzheimer’s disease 
  • c)
    Meningitis 
  • d)
    Brain haemorrhage 
Correct answer is option 'B'. Can you explain this answer?

Saanvi Kumar answered
​The best-known and most common chromosome abnormality in humans is Down’s syndrome, a condition associated with an extra chromosome 21. Down’s syndrome individuals also almost invariably develop Alzheimer’s disease, a form of dementia that is fairly common among the elderly.

Tsangpo is the other name in Tibet for ____________ . 
  • a)
    Kosi 
  • b)
    Gandak 
  • c)
    Brahmaputra 
  • d)
    Ganga 
Correct answer is option 'C'. Can you explain this answer?

Advait Datta answered
​The Brahmaputra's source is the Chemayungdung Glacier, which covers the slopes of the Himalayas. Tsangpo is the other name in Tibet for Brahmaputra. 

The outermost layer of skin is - 
  • a)
    Epidermis 
  • b)
    Dermis 
  • c)
    Tissues 
  • d)
    Hypodermis 
Correct answer is option 'A'. Can you explain this answer?

Rashi Ahuja answered
​The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. 

DNA stands for _____. 
  • a)
    Di Nucleic Acid 
  • b)
    Deoxy Nucleic Acid 
  • c)
    Diribonucleic Acid 
  • d)
    Deoxyribonucleic Acid 
Correct answer is option 'D'. Can you explain this answer?

Aditi Kulkarni answered
DNA stands for Deoxyribonucleic Acid.

Explanation:

Definition: DNA is a long molecule that contains the genetic instructions used in the development and functioning of all known living organisms. It is often referred to as the "blueprint" of life.

Breaking down the acronym:

- Deoxyribonucleic Acid: The "D" in DNA stands for "Deoxyribose," which is a sugar molecule. The "N" stands for "Nucleic Acid," which refers to the type of biomolecule that DNA is.

Structure of DNA:

- Double Helix: DNA has a unique structure known as a double helix. It consists of two strands that are twisted around each other in a spiral shape.
- Nucleotides: Each strand of DNA is made up of smaller units called nucleotides. A nucleotide consists of three components: a sugar molecule (deoxyribose), a phosphate group, and a nitrogenous base (adenine, thymine, cytosine, or guanine).
- Base Pairing: The two strands of DNA are held together by hydrogen bonds between the nitrogenous bases. Adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G). This complementary base pairing allows DNA to replicate and transfer genetic information.

Functions of DNA:

- Genetic Information: DNA carries the genetic instructions that determine an organism's traits and characteristics. It contains the information necessary for the development and functioning of cells, tissues, and organs.
- Replication: DNA can replicate itself, allowing for the transmission of genetic information from one generation to the next.
- Protein Synthesis: DNA serves as a template for the synthesis of proteins. The information encoded in DNA is transcribed into RNA, which is then translated into proteins.

Conclusion:

In summary, DNA stands for Deoxyribonucleic Acid. It is a molecule that carries the genetic instructions used in the development and functioning of all living organisms. DNA has a unique double helix structure and plays a crucial role in determining an organism's traits and characteristics.

What is the name of the balloon – borne instrument set to be launch by NASA to study heavy cosmic particles? 
  • a)
    Super LAMBA 
  • b)
    Super TIGER 
  • c)
    Super LION 
  • d)
    Super MAMA 
Correct answer is option 'B'. Can you explain this answer?

​NASA scientists in Antarctica are set to launch a balloon-borne instrument to collect information on cosmic rays, high-energy particles from beyond the solar system that enters Earth's atmosphere every day. The instrument, called the Super Trans-Iron Galactic Element Recorder (SuperTIGER), is designed to study rare heavy nuclei, which hold clues about where and how cosmic rays attain speeds up to nearly the speed of light 

Animals living on the tree trunks are known as- 
  • a)
    Arboreal 
  • b)
    Volant 
  • c)
    Amphibious 
  • d)
    Aquatic 
Correct answer is option 'A'. Can you explain this answer?

Ameya Desai answered
​Arboreal animals are creatures who spend the majority of their lives in trees. They eat, sleep and play in the tree canopy. There are thousands of species that live in trees, including monkeys, koalas, possums, sloths, various rodents, parrots, chameleons, geckos, tree snakes and a variety of insects.

Corbett National Park was established to protect which animal? 
  • a)
    Bengal Tigers 
  • b)
    Snow Leopards 
  • c)
    Asiatic Lions 
  • d)
    One-Horned Rhinos 
Correct answer is option 'A'. Can you explain this answer?

Jim Corbett National Park is the oldest national park in India and was established in 1936 as Hailey National Park to protect the endangered Bengal tiger. It is located in Nainital district of Uttarakhand. 

Bhutan does not share its border with which Indian state? 
  • a)
    West Bengal 
  • b)
    Sikkim 
  • c)
    Meghalaya 
  • d)
    Arunachal Pradesh 
Correct answer is option 'C'. Can you explain this answer?

Ameya Desai answered
​Bhutan is a land locked country.Bordered by Indian states- Sikkim in west, Arunachal Pradesh in east and West Bengal in south. 

Plant cell wall is made up of - 
  • a)
    Cellulose 
  • b)
    Glucose 
  • c)
    Sucrose 
  • d)
    Fructose 
Correct answer is option 'A'. Can you explain this answer?

Gowri Datta answered
​The plant cell wall is composed of cellulose. Cellulose is a structural carbohydrate and is considered a complex sugar because it is used in both protection and structure. 

Types of vertebrate animals which creep and crawl are called - 
  • a)
    Mammalians 
  • b)
    Amphibians 
  • c)
    Molluscs 
  • d)
    Reptilians 
Correct answer is option 'D'. Can you explain this answer?

Hridoy Jain answered
​Reptilians are the vertebrate animals which creep and crawl. Examples of organisms belonging to this class Chelone (Turtle), Chameleon (Tree lizard). 

Tamil is the official language of _________. 
  • a)
    Puducherry 
  • b)
    Dadra and Nagar Haveli 
  • c)
    Daman and Diu 
  • d)
    Delhi 
Correct answer is option 'A'. Can you explain this answer?

Saanvi Kumar answered
Tamil Language used by the union territory government, especially used when communicating within and between the Tamil majority districts of (Pondicherry and Karaikal). 

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