CTET Environmental Studies MCQs with Answers Set 02

Answer: (a) Wax, Coal tar, Grease

Explanation:
1. Wax and grease are products of petroleum refining, and the source key counts option (a).
2. Paint, plastic and rayon, and ethanol, are not direct petroleum fractions.

Teacher's Note:
1. Petroleum products include petrol, diesel, kerosene, wax, lubricating oil.
2. Coal tar actually comes from coal, so the question is not perfectly worded.

Answer: (b) North-West

Explanation:
1. Take X as the origin: A (100, 0), B (100, −500), C (50, −500), Y (50, −440).
2. From Y, house X is 50 m to the west and 440 m to the north, so it is North-West.

Teacher's Note:
1. Draw a quick sketch and compute net east-west and north-south displacements.
2. The direction asked is of the house from the court, not the reverse.

Answer: (c) Both (A) and (R) are true, but (R) is not the correct explanation of (A).

Explanation:
1. A is true because EVS is organised into themes such as Family and Friends and Food.
2. Themes allow integration of disciplines; the reason is not that they are easier, so R does not explain A.

Teacher's Note:
1. Themes integrate subject areas around the child's life.
2. Check if R gives the real reason.

Answer: (c) Developing an EVS kit from available material

Explanation:
1. Making an EVS kit from available material involves doing and making.
2. The other activities are mostly observation or collection.

Teacher's Note:
1. Hands-on means learners handle and create materials.
2. Low-cost kits are encouraged.

Answer: (c) A and C

Explanation:
1. Formative assessment is done during learning to improve it, so it is assessment for and as learning.
2. Assessment of learning is summative.

Teacher's Note:
1. Formative = for/as learning; summative = of learning.
2. 'Assessment about learning' is not a standard term.

Answer: (c) North-East; South-East

Explanation:
1. Uttar Pradesh lies to the north-east of Gujarat.
2. Andhra Pradesh lies to the south-east of Gujarat.

Teacher's Note:
1. Gujarat is on the west coast.
2. Use a map and compare positions.

Answer: (c) Muscular energy

Explanation:
1. Playing uses the energy of the body's muscles.
2. This is called muscular energy, the common answer at the primary level.

Teacher's Note:
1. Muscular energy comes from food eaten.
2. Keep to the primary-level term 'muscular energy'.

Answer: (a) Bora rice

Explanation:
1. Bora rice is the sticky rice of Assam, used for pitha and other dishes.
2. Arborio and Bomba are Italian and Spanish varieties; Ponni is from Tamil Nadu.

Teacher's Note:
1. Match rice varieties to regions.
2. Bora saul is also called glutinous rice.

Answer: (c) 58 km/h

Explanation:
1. Time from 17:30 on 12th to 17:30 on 14th is 48 h; subtract 12.5 h to 05:00, giving 35.5 h.
2. Speed = 2059 ÷ 35.5 = 58 km/h.

Teacher's Note:
1. Average speed = total distance ÷ total time.
2. Take care converting the time across two days.

Answer: (a) Andhra Pradesh, Odisha, Tamil Nadu

Explanation:
1. The east coast States are West Bengal, Odisha, Andhra Pradesh and Tamil Nadu.
2. Karnataka, Gujarat and Maharashtra are on the Arabian Sea.

Teacher's Note:
1. Bay of Bengal means east coast.
2. Remove any option with Gujarat, Maharashtra or Karnataka.

Answer: (b) A, C and D

Explanation:
1. Manipur means land of jewels, and Loktak lake has floating phumdis, so A and C are true.
2. Lavani is a Maharashtra folk dance, so B is false; the source key accepts D as true.

Teacher's Note:
1. Doubtful point: D is accepted from the source key; if D were false the answer would be (d).
2. Lavani belongs to Maharashtra and Manipur has Raslila and Pung Cholom.

Answer: (a) Uttar Pradesh, Chhattisgarh, Maharashtra

Explanation:
1. Madhya Pradesh borders Uttar Pradesh, Chhattisgarh, Maharashtra, Gujarat and Rajasthan.
2. Bihar, Jharkhand, West Bengal and Odisha do not share its border.

Teacher's Note:
1. MP has five neighbouring States.
2. Eliminate options with Bihar, Jharkhand, West Bengal or Odisha.

Answer: (c) B and D

Explanation:
1. Dengue and malaria are spread by mosquito bites.
2. Pneumonia and measles are spread by germs through the air.

Teacher's Note:
1. Mosquito-borne: malaria, dengue, chikungunya.
2. Prevent them by stopping water from collecting.

Answer: (d) Bhavai

Explanation:
1. In Bhavai, veiled women balance seven to nine brass pots on the head while dancing.
2. Terah Taali uses cymbals tied to the body, Kalbelia is a snake-charmer dance and Kathak is a classical dance.

Teacher's Note:
1. Remember Bhavai for pots on the head.
2. Terah Taali = 13 cymbals.

Answer: (b) Sammakka Saralamma Jatara

Explanation:
1. The Sammakka Saralamma Jatara in Telangana is the largest tribal festival in South India.
2. Kumbh Mela, Kharchi and Gangaji are not South Indian tribal festivals.

Teacher's Note:
1. It is held every two years in Medaram.
2. Also called the Medaram Jatara.

Answer: (b) N₂

Explanation:
1. Carbon dioxide, nitrous oxide and methane trap heat.
2. Nitrogen gas (N₂) does not absorb infrared radiation and is not a greenhouse gas.

Teacher's Note:
1. N₂O is a greenhouse gas but N₂ is not.
2. Methane is another strong greenhouse gas.

Answer: (d) B and C

Explanation:
1. Diagnostic tests find the learning difficulties (B) and the pace of learning (C).
2. Measuring IQ and predicting future performance (D) are not purposes of diagnostic tests.

Teacher's Note:
1. Diagnostic = find problems; prognostic = predict.
2. Doubtful: source key gave B and D.

Answer: (b) A, B and D

Explanation:
1. Formative assessment gives feedback on teaching, shows deficiencies in teaching and identifies learning gaps.
2. Preparing monthly report cards is a reporting task, not part of formative assessment.

Teacher's Note:
1. Formative assessment is continuous and used to improve learning.
2. Report cards belong to summative reporting.

Answer: (d) Socio-Constructivist perspective of learning

Explanation:
1. NCF-based EVS views children as active constructors of knowledge in a social context.
2. This is the socio-constructivist perspective.

Teacher's Note:
1. Vygotsky's ideas of social interaction are part of it.
2. Constructivist alone ignores the social side.

Answer: (a) Discouraging students to ask questions

Explanation:
1. Role play, puppets and group work are active methods.
2. Discouraging questions blocks curiosity and inquiry.

Teacher's Note:
1. Encourage questions in EVS.
2. Read 'avoided' to pick the harmful practice.

Answer: (b) sarees with traditional geometric patterns of dying

Explanation:
1. Pochampally is a Telangana town famous for ikat sarees.
2. These have geometric patterns made by tie-and-dye of the threads.

Teacher's Note:
1. Pochampally ikat has a GI tag.
2. Link craft to place.

Answer: (c) Rishikesh

Explanation:
1. Rishikesh in Uttarakhand is called the Yoga capital of the World.
2. Ranikhet, Ooty and Gangtok are hill stations.

Teacher's Note:
1. Rishikesh hosts the International Yoga Festival.
2. Hill station options are distractors.

Answer: (d) to develop a better understanding of the immediate environment.

Explanation:
1. The themes are drawn from the child's surroundings.
2. Their main purpose is to deepen understanding of the immediate environment.

Teacher's Note:
1. EVS starts from the child's own environment.
2. Other options are secondary benefits.

Answer: (b) Surveys and discussions

Explanation:
1. Children can survey water use at home and school and then discuss it.
2. This links real data with reflection, which is stronger than discussion alone.

Teacher's Note:
1. Choose the strategy that gives first-hand data.
2. Water wastage is best observed in the community.

Answer: (a) Contextual experience

Explanation:
1. Children understand the environment best through experiences in their own context.
2. Abstract learning without context does not give holistic understanding.

Teacher's Note:
1. EVS moves from local to global, not global to local.
2. Context makes learning meaningful.

Answer: (d) Dissociation

Explanation:
1. Participation, leadership and cooperation are aspects of working together.
2. Dissociation means separating oneself, the opposite of collaboration.

Teacher's Note:
1. Rubric dimensions must match the skill.
2. Look for the opposite of the skill.

Answer: (a) Observation skill

Explanation:
1. Experiments require careful observation of changes and results.
2. Remembering and recognising are recall skills, not process skills.

Teacher's Note:
1. Process skills include observing, classifying, inferring.
2. Observation is the first process skill.

Answer: (c) Emphasis on the right answers by the students.

Explanation:
1. Discussion, school-based assessment and community visits are recommended.
2. Stressing only right answers discourages exploration and risk-taking.

Teacher's Note:
1. Accept varied answers and guide thinking.
2. Avoid right-answer-only teaching.

Answer: (b) A-IV, B-III, C-II, D-I

Explanation:
1. Cumin seeds are small and fragrant, saffron gives a yellow colour, chillies came from South America and clove looks like a nail.
2. This gives A-IV, B-III, C-II, D-I.

Teacher's Note:
1. Clove comes from the Latin word for nail.
2. Chillies were brought to India by the Portuguese.

Answer: (d) A and D

Explanation:
1. Torang means forest in Kuduk, and a large share of Mizoram's people depend on forests, so A and D are accepted.
2. The forest rights law dates from 2006 and uses a different residence criterion, so C is incorrect.

Teacher's Note:
1. The Forest Rights Act was passed in 2006.
2. Verify years and numbers in such statements.