CTET Environmental Studies Flashcards

Who was the movement's founder?

Answer: S.L. Bahuguna

Sunderlal Bahuguna was a prominent Indian environmentalist and a key leader of the Chipko movement. He played a crucial role in advocating for the protection of forests in the Himalayan region through non-violent means, raising significant awareness about ecological conservation. His efforts made him a renowned figure in environmental activism.

Dual fertilization only takes place in

Answer: all seed producing flowers

Dual fertilization, also known as double fertilization, is a unique and complex fertilization mechanism found exclusively in flowering plants (angiosperms). Angiosperms are characterized by producing seeds enclosed within an ovary, which develops into a fruit. This process involves two sperm cells: one fertilizes the egg to form the embryo, and the other fertilizes the central cell to form the endosperm, which nourishes the embryo.

Which of the four teaching strategies used by the four different science professors to teach the subject of "Air Pollution" is the best?

Answer: Showing a documentary film on 'Air Pollution' to the students

This strategy promotes hands-on, inquiry-based learning, which is highly effective for scientific topics. Students actively engage in collecting data, conducting experiments, and analyzing findings, making the learning experience concrete, relevant, and memorable. This direct involvement fosters critical thinking and a deeper understanding of air pollution through personal investigation, rather than passive reception of information.

Whichever assertion regarding Mount Everest is accurate?

Answer: It is a part of Nepal and the height of its peak is 8900 m

Mount Everest is indeed located in the Mahalangur Himal sub-range of the Himalayas, straddling the border between Nepal and China (Tibet Autonomous Region). Its officially recognized height is 8,848.86 meters, which is approximately 8900 meters. This makes it the Earth's highest mountain above sea level.

There are four pupils in a class that perform below average. Which of the following tactics will be most successful in putting them on an equal footing with the majority of students?

Answer: Identify their weak areas of learning and provide remedial measures accordingly

Effective remedial teaching requires a diagnostic approach. Identifying the specific areas where students are struggling allows teachers to tailor interventions and provide targeted support, addressing the root causes of underperformance. This personalized approach is far more effective than general measures, as it directly tackles individual learning needs and helps bridge specific knowledge gaps.

Intake of tobacco is caused by:

Answer: Nicotine

Nicotine is the primary psychoactive and highly addictive chemical found in tobacco products. It acts as a stimulant and is responsible for the addictive properties of tobacco, leading to dependence and continued intake by users. The other options listed are not directly responsible for tobacco addiction.

The girls Jem and Jemai are little. Jem enjoys eating bread, cutlets, and samosas. Jemai, on the other hand, consumes a diet that is low in iron. Which condition(s) are Jem and Jemai most likely to have, respectively?

Answer: Obesity and Anaemia

Jem's diet, consisting of bread, cutlets, and samosas, is likely high in calories, fats, and refined carbohydrates. Regular consumption of such foods without balance can lead to excessive weight gain and obesity. Jemai's diet, being low in iron, directly increases her risk of developing anaemia, a condition caused by insufficient iron in the blood.

When speaking about what they like and don't like, a student states, "Both my mother and I enjoy eating snakes. We go to a nearby hotel and eat Ling-hu-fen whenever we feel like eating snakes." This pupil must be a member of

Answer: Hong Kong

The student mentions eating 'Ling-hu-fen,' which is a traditional Cantonese snake soup. This delicacy is a well-known culinary specialty primarily found in Hong Kong and southern China. Therefore, the student must be a member of Hong Kong, where this dish is a cultural staple.

The substance that causes global warming is

Answer: Carbon dioxide

Carbon dioxide (CO2) is the most significant greenhouse gas contributing to global warming. It is released through human activities like burning fossil fuels and deforestation, trapping heat in the Earth's atmosphere. While other gases also contribute, CO2 is the primary driver of the current climate change.

What would happen if you didn't have access to gasoline or diesel for a week in your village or town? is one of the "Think and Discuss" questions in a chapter of the EVS textbook for Class V. The statement's main objective is

Answer: Promoting imaginative and thinking skills to understand real life concerns

The question 'What would happen if you didn't have access to gasoline or diesel for a week...?' is designed to encourage students to think critically and creatively. It prompts them to imagine consequences and connect classroom learning to real-world issues like resource scarcity. This fosters imaginative and problem-solving skills, rather than just assessing factual knowledge or promoting judicious use.

They can be discovered in Ladyfinger.

Answer: Vitamin 'C'

Ladyfinger, also known as okra, is a vegetable rich in various nutrients. Among the given options, Vitamin C is notably present in ladyfinger, contributing to its health benefits. It is a good source of this essential vitamin, along with other dietary fibers and minerals.

A child's teeth are becoming loose and his gums are bleeding. The illness's official name and the vitamin that is inadequate are

Answer: Scurvy, Vitamin C

The symptoms of loose teeth and bleeding gums are classic indicators of scurvy. Scurvy is a disease caused by a severe deficiency of Vitamin C (ascorbic acid), which is crucial for collagen synthesis and maintaining healthy connective tissues throughout the body, including the gums.

Rajat remarked to his pal, "I have a fever, thus I am unable to play. I go through phases of shaking, fever, headache, and then sweating. My doctor gave me a bitter drug after a blood test?" Rajat could be struggling with

Answer: Malaria

Rajat's symptoms—phases of shaking (chills), fever, headache, and subsequent sweating—are characteristic of malaria. The mention of a blood test and a 'bitter drug' further supports this diagnosis, as quinine or artemisinin-based drugs are common treatments for malaria, often prescribed after blood smear confirmation.

The best strategy to pique Class V pupils' curiosity among the following is to

Answer: ask probing and imaginative questions

To pique curiosity in Class V students, engaging them actively in the learning process is most effective. Asking probing and imaginative questions encourages critical thinking, stimulates their natural inquisitiveness, and motivates them to explore topics more deeply. This approach makes learning more interactive and meaningful than passive methods.

Which of the following is a group of illnesses brought on by or spread by mosquitoes?

Answer: Chikungunya, Dengue, Malaria

Chikungunya, Dengue, and Malaria are all well-known diseases transmitted by mosquitoes. Chikungunya and Dengue are viral infections spread by Aedes mosquitoes, while Malaria is caused by a parasite transmitted through the bite of infected Anopheles mosquitoes. These three diseases represent a significant public health concern in many regions.

The week of wildlife is observed on

Answer: 1st October to 7th October

Wildlife Week is observed annually in India from October 1st to October 7th. This week is dedicated to raising awareness about the importance of wildlife conservation and protection. Various programs and activities are conducted to educate the public about India's rich biodiversity and the need to preserve it.