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Bihar STET Paper 1 Science Mock Test - 10 - Bihar PGT/TGT/PRT MCQ


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30 Questions MCQ Test - Bihar STET Paper 1 Science Mock Test - 10

Bihar STET Paper 1 Science Mock Test - 10 for Bihar PGT/TGT/PRT 2025 is part of Bihar PGT/TGT/PRT preparation. The Bihar STET Paper 1 Science Mock Test - 10 questions and answers have been prepared according to the Bihar PGT/TGT/PRT exam syllabus.The Bihar STET Paper 1 Science Mock Test - 10 MCQs are made for Bihar PGT/TGT/PRT 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Bihar STET Paper 1 Science Mock Test - 10 below.
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Bihar STET Paper 1 Science Mock Test - 10 - Question 1

In what plant structures are many waste products stored for eventual disposal?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 1
Many plant waste products are stored in old xylem tissues for eventual disposal. Xylem, which is responsible for transporting water and nutrients throughout the plant, also serves as a storage site for various waste substances. This storage mechanism helps plants manage waste materials effectively and maintain their overall health and function.
Bihar STET Paper 1 Science Mock Test - 10 - Question 2

Why is water considered less suitable for respiration compared to air for many aquatic animals?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 2
Water is considered less suitable for respiration than air for many aquatic animals because water is denser than air, requiring more energy to pass over the respiratory surface. Additionally, the solubility of oxygen in water is lower compared to air, meaning a given volume of water contains less oxygen than the same volume of air. These factors make respiration more challenging in aquatic environments.
Bihar STET Paper 1 Science Mock Test - 10 - Question 3

Which two metals react with concentrated alkalis?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 3

Groups IIA, IIIA, and IVA metals are less reactive than the neighbouring alkali metals. Thus Al and Zn are less reactive metals than Na, K and Mg.

Bihar STET Paper 1 Science Mock Test - 10 - Question 4

“Flow of energy is unidirectional”. It means that-

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 4
Flow of energy is unidirectional:
The statement "Flow of energy is unidirectional" means that energy flows in one direction only, and it does not come back to the previous levels. Let's understand this concept in detail:
Explanation:
1. Energy flow: Energy flows through various trophic levels in an ecosystem. It starts with the producers (autotrophs), which convert solar energy into chemical energy through photosynthesis.
2. Unidirectional: The flow of energy is unidirectional, meaning it moves from one trophic level to another and does not return to the previous levels. Once energy is transferred from one level to the next, it is used for various metabolic processes or lost as heat.
3. Higher trophic levels: As energy flows through the trophic levels, it is transferred from producers to primary consumers (herbivores), then to secondary consumers (carnivores), and so on. Each level feeds on the previous level, and energy is transferred along the food chain.
4. No return to lower trophic levels: Once energy is consumed by higher trophic levels, it is not returned to the lower trophic levels. The energy is used for growth, reproduction, and other metabolic activities of the organisms at each level. Some energy is also lost as heat in the process.
5. Energy loss: With each transfer of energy between trophic levels, there is a loss of energy. This loss occurs due to inefficient energy transfer, metabolic processes, and heat dissipation. As a result, the amount of energy available decreases with each level.
6. Energy input: The primary source of energy in ecosystems is the sun. The energy input from the sun is captured by autotrophs through photosynthesis and converted into chemical energy. This energy is then passed on to the rest of the food chain.
Therefore, the correct answer is option C: Energy which passes to the higher trophic levels doesn't come back to lower trophic levels.
Bihar STET Paper 1 Science Mock Test - 10 - Question 5

The image formed on the retina of the human eye is

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 5

Eye lens is convex, in nature. So, image formed by it on the retina is real and inverted.

Bihar STET Paper 1 Science Mock Test - 10 - Question 6

Identify the correct symbol of Gold. 

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 6

The chemical symbol for gold is Au, taken from the Latin word for gold- Aurum. Its atomic number is 79.

Bihar STET Paper 1 Science Mock Test - 10 - Question 7

Expiration involves –

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 7

Exhalation is a passive process because of the elastic properties of the lungs. During forced exhalation, internal intercostal muscles which lower the rib cage and decrease thoracic volume while the abdominal muscles push up on the diaphragm which causes the thoracic cavity to contract.

Bihar STET Paper 1 Science Mock Test - 10 - Question 8

Which of the following is correct pair of elements and its symbol?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 8

 

Silver has the symbol Ag, not Si.

Sodium has the symbol Na, not So.

Potassium has the symbol K, not Pt.

Sulphur has the correct symbol S, so this is the correct pair.

 

Bihar STET Paper 1 Science Mock Test - 10 - Question 9

Alloys are:

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 9

Alloys are homogeneous mixtures of two or more elements. The elements could be two metals, or a metal and a non-metal.
Example: Brass is an example of a substitution alloy of copper and zinc.

Bihar STET Paper 1 Science Mock Test - 10 - Question 10

Ethanol on complete oxidation gives

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 10

The correct option is A.
Ethanol is oxidised to produce ethanal by removing two hydrogen atoms. Ethanal is then oxidised to produce ethanoic acid, by adding an oxygen atom.

Bihar STET Paper 1 Science Mock Test - 10 - Question 11

Air shows the property of

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 11

Air is a mixture of gases consisting of approximately 4/5 Nitrogen and 1/5 Oxygen.

Bihar STET Paper 1 Science Mock Test - 10 - Question 12

An element has an atomic number of 15 with which of the following elements will it show similar chemical properties.        

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 12

The valence electrons of the atomic number 15 has 5 electrons in its outermost shell . Nitrogen also has 5 electrons in it's outer shell. It also belongs to 15 th group and has same chemical properties, others  have 2,8 and 6 in their outermost shell. 

Bihar STET Paper 1 Science Mock Test - 10 - Question 13

Voluntary muscles are found in______.

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 13

Limbs are the voluntary muscles because we can completely control them.

Bihar STET Paper 1 Science Mock Test - 10 - Question 14

Which one of the following elements exhibit the maximum number of valence electrons ?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 14

The greater the valency of the element, the greater is its unreactivity. Also, the valency in a period increases from the left to the middle, then again decreases from middle to the right. So we can say that the unreactive elements are located in the center of the period. Since phosphorus and Silicon are located at the center, they have the highest number of Valence electrons, and hence are the most unreactive in the period.

Bihar STET Paper 1 Science Mock Test - 10 - Question 15

Which of the following does not affect rate of evaporation?      

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 15

Factors Affecting Rate of Evaporation

- Wind Speed: Higher wind speeds can increase the rate of evaporation by removing the saturated air above the liquid surface, allowing more water molecules to evaporate.
- Surface Area: A larger surface area exposed to the air can increase the rate of evaporation as more water molecules are available to escape into the air.
- Temperature: Higher temperatures can increase the rate of evaporation as they provide more energy to the water molecules, allowing them to overcome the intermolecular forces holding them in the liquid phase.

Insoluble heavy impurities do not affect the rate of evaporation as they do not impact the ability of water molecules to escape into the air. These impurities do not alter the physical properties of water that determine its evaporation rate.

Bihar STET Paper 1 Science Mock Test - 10 - Question 16

In which of the following teaching methods can a learner participate proactively?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 16

Brainstorming is a large or small group activity that encourages students to focus on a topic and contribute to the free flow of ideas. The teacher may begin a brainstorming session by posing a question or a problem, or by introducing a topic. Students then express possible answers, relevant words and ideas.
Buzz group is a cooperative learning technique consisting the formation of small discussion groups with the objective of developing a specific task (idea generation, problem solving and so on) or facilitating a group of people reach a consensus on their ideas about a topic in a specific period of time. So, buzz groups allow covering the discussion about different aspects referred to the same study themes, maximizing the possibilities of partition of the members of the group.
Project method is also known as project-based learning. It is a dynamic approach to teaching in which students explore real-world problems and challenges, simultaneously developing cross-curriculum skills while working in small collaborative groups. In a project method or work, learner plays a very important role right from the initial stage (i.e. planning stage) to the last stage (i.e. reporting stage). This method also includes an instructor to correct learner.
Therefore, in all these ways, the learners can practice proactively.

Bihar STET Paper 1 Science Mock Test - 10 - Question 17

Effectiveness of a teacher is based on the

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 17

It is very important that the teacher has complete understanding of her subject so that each concept can be clearly explained to the students.

Bihar STET Paper 1 Science Mock Test - 10 - Question 18

Which of the following is a teacher's training technique for learning teaching skills?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 18

The term 'micro teaching' was coined by Dwight Allen of the Stanford University. This is an innovative teacher training technique and focuses on developing teaching skills. This is highly individualised training skill. Micro teaching can also be defined as a teaching technique especially used in teachers' pre-service education to train them systematically by allowing them to experiment main teacher behaviours. By the help of this technique, teacher candidates can experiment and learn each of the teaching skills by breaking them into smaller parts and without encountering chaotic environment of the crowded classes.
In the original process, a teacher is asked to prepare a short lesson (usually 20 minutes) for a small group of learners who may not have been his/her own students. This is then recorded on video. After the lesson, the teacher, teaching colleagues, a master teacher and the students together view the video recording and comment on what they see happening, referencing the teacher's learning objectives. Watching the video and getting comments from colleagues and students provide teachers with an often intense "under the microscope" view of their teaching.

Bihar STET Paper 1 Science Mock Test - 10 - Question 19
What instructional adaptations should a teacher make while working with students who are ‘Visually Challenged’?
Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 19

The child with Special Need: Also known as a specially-abled child, a child with special needs is the one who needs special attention and requires necessities that other children do not. There are many types of special needs one of which is for visually impaired children.

  • A visually challenged child is the one who has a problem seeing with the naked eyes or is not able to see completely.

Important Points

Instruction adaptations that a teacher can follow while working with students who are ‘visually challenged’ are:

  • Should speak clearly and audibly to help them learn through listening or auditory learning
  • Use a lot of touches and feel materials.
    • Make use of material adaptations according to the individual needs, the actual degree of functional vision, presence of any other disabilities
    • Using a variety of tactile materials like rough or smooth, cold or hot, wet or dry, vibrate or stationary helps the students to touch, feel, and understand the differences between the materials
  • Break the entire learning process into smaller units
  • Provide ample time for the challenged learner to learn in his/her own way
  • Provide support and independence wherever necessary
  • Braille, tactile symbols, large prints, recorded materials, etc. can be used as teaching aids for visually challenged learners
  • A touch and feel tool for the visually challenged person

Hence, we can conclude that a teacher should speak clearly and use a lot of touches and feel materials while working with students who are ‘Visually Challenged’.

Bihar STET Paper 1 Science Mock Test - 10 - Question 20

Cooperative learning is one of the best researched of all teaching strategies. Cooperative learning is a way that:
a. Addresses the needs of gifted students
b. Gives complete independence to students, while the teachers are free
c. Helps students in acquiring interpersonal skills
d. Develops the ability to work collaboratively in students
Choose from the options given below:

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 20

Cooperation teaches the values of committing oneself to the common good, seeing success as depending on the efforts of all participants, feeling happy when others succeed, seeing others as resources to help one succeed, viewing worth as unconditional, and viewing diverse others in positive ways.
Cooperative learning is a teaching way for students to learn essential interpersonal life-skills and develop the ability to work collaboratively, a skill now greatly in demand in the workplace. Thus, it provides faster and efficient learning. In cooperative learning, the diverse students in the school are to be transformed into a symphony. Students need positive self-esteem, the psychological health to face conflict and challenge, and the social competencies required to work effectively with diverse peers. Personal and superordinate identities are developed through group processes.

Bihar STET Paper 1 Science Mock Test - 10 - Question 21

Mr. Rajesh aims to develop good speech habits in the learners. He should exploit

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 21

Best speech habits are developed in language labs. Thus, to develop good speech habits in the learners, he should exploit language labs. Language labs involve students in language learning exercises more actively and also let them participate more as compared to a traditional classroom setting.

Bihar STET Paper 1 Science Mock Test - 10 - Question 22
Which of the following provides excellent resources to explore?
Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 22

Teaching-learning process can be made more effective and efficient by using various teaching-learning tools.

Key Points

  • Teaching-learning tools made learning an active process and these include LCD projectors, Interactive smart boards, animation movies, presentations, and many more.
  • The Internet can be used in the teaching program to explore more resources as the internet act as a platform where all the information related to all the topics can be found.
  • The Internet is basically a collection of information that can be accessed at any point to gain new knowledge and insights about a particular topic. Besides this internet can also be used to learn new skills 
  • Advantages of internet-
    • Cost Effective
    • Enhances student-teacher interaction
    • Easy access to quality education
    • Updated and latest information
    • Efficient learning 

Thus we can conclude that the Internet provides excellent resources to explore.

Bihar STET Paper 1 Science Mock Test - 10 - Question 23

A teacher can be instrumental in protecting the Rights of the Child in the school. One of the important role of teacher according to RTE is

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 23

The Right Of Children To Free And Compulsory Education Act (RCFCE Act - 2009) is briefly known as the Right To Education Act (RTE - 2009). 

  • Its main aim is to provide quality elementary education to all children.
  • It enforces Education as a Fundamental Right (Article 21).

Key Points

  • RTE act aims to provide primary education to all children aged 6 to 14 years from class 1st to class 8th.
  • Non enrolled/drop-out children be admitted to an age-appropriate class after a period of Special Training.
  • No child shall be failed or expelled from school up to class VIII (corresponds to the age group 6-14) under the no-detention policy.
  • It emphasized banning corporal punishmentcontinuous and comprehensive evaluation, making schools and classrooms truly inclusive, and so on. 
  • The role of a teacher to conduct the teaching-learning activities in such a way that it helps the child to be free of fear, trauma, and anxiety and helping the child to express views freely.
  • The teacher should demonstrate gender equality in the classroom to remove the gender stereotypes among children and to provide equal opportunities to all irrespective of their gender.
    • The teacher shouldn't follow gender biases like Girls can perform well in dance, music, and arts while boys are generally good in science and mathematics.
  • The teacher should follow a child-centred approach to meet the needs and learning goals of learners.
  • When the child-centred approach is used in the teaching-learning process, then the child participation will automatically increase as they will take interest in learning.

So, one of the important roles of the teacher according to the RTE is to demonstrate Gender Equality.

Bihar STET Paper 1 Science Mock Test - 10 - Question 24
In which teaching method, does the learner practically work to achieve the goal?
Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 24

Practice-based learning is more than 'learn the theory then go to work. ' With practice-based learning, students combine theory and work experience with a strategic, reflective process throughout the duration of your learning. Students don't just learn the theory first, then jump into the classroom and apply it afterward. Key Points

Advantages of practical teaching method

  • Practical-Learning assists students in identifying their real interests and choose a career accordingly.
  • Makes the learner practically work to achieve the goal.
  • Provides Basic Skills for Students. Practice and drills give students an opportunity to learn certain concepts quickly and effectively.

Hence, we can conclude that in practical teaching method does the learner practically work to achieve the goal.Additional Information

Bihar STET Paper 1 Science Mock Test - 10 - Question 25

Rohit is an above average intelligence student. He has always been praised by his teachers for his academic progress in the class. But, recently his achievement was not up to satisfaction. Which of the following could be a reason for his poor performance?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 25

The cause of Rohit's poor performance can be either physical problems, family disturbances or his maturation process.
Rohit may not be physically fit or may be suffering from some physical ailment, which might be affecting his studies and resulting in poor performance.
There may be some disturbances at home, which may be affecting his studies. A construction work at home or a fight amongst elders could be the reason behind his recent performance.
The mental capabilities of Rohit are maturing but maybe not up to the level that is required to understand the concepts taught in the class. Thus, he might be performing poorly.
Apart from this, the teacher might lack the required knowledge of modern educational and psychological theories. This can lead to students' poor academic performance. Several other factors also lead to poor academic achievement, such as social factors, economic factors and political conditions.

Bihar STET Paper 1 Science Mock Test - 10 - Question 26

What should be the criterion for evaluating a teacher's performance?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 26

The overall performance of the teacher needs to be assessed for evaluating a teacher's performance. It is not possible to evaluate it at once. Comprehensive view of teacher during the whole session is must for evaluating her performance.

Bihar STET Paper 1 Science Mock Test - 10 - Question 27

Which case is famous for the definition of basic structure of the Indian Constitution?

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 27
  • Kesavananda Bharati Case is a landmark case where the Supreme Court defined the basic structure of the Indian Constitution. The judgement for this case was delivered on April 24, 1973.
  • The case is also known as the Fundamental Rights Case. The Supreme Court asserted its right to strike down amendments to the constitution that were in violation of the fundamental architecture of the constitution.
Bihar STET Paper 1 Science Mock Test - 10 - Question 28

Directions: Answer the following question by selecting the most appropriate option.
At the primary stage, assessments should consist of

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 28

Unstructured observation is an important tool for collecting assessment data because it does not interrupt the daily life of classroom- thereby being strong on reliability and validity. An unstructured observation records incidents that take place spontaneously. This observation must be shared with the parents and the learners.
Formal tests, Examinations, and Pass or fail categories for primary students may not help the student to learn. These enhance rote memorization, which is not the motive of teaching.

Bihar STET Paper 1 Science Mock Test - 10 - Question 29

Directions: Answer the following question by selecting the most appropriate option.
While discussing about friction, a teacher gave a number of examples to explain the concept. Some of the examples where friction is useful in our day-to-day lives as quoted by the teacher are given below:
A. We are able to write because of friction between the tip of the pen and the paper.
B. We are able to walk because of friction between our feet and the ground.
C. A ball thrown vertically upwards comes back to us due to friction.
D. We are able to stop a moving vehicle by applying brakes because of friction.
The correct examples are

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 29

A, B and D are the correct options because we can write only because of friction between the tip of the pen and the paper. We can walk because of the friction between our feet and the ground. We are able to stop a moving vehicle by applying brakes because of friction.

Bihar STET Paper 1 Science Mock Test - 10 - Question 30

Detailed Solution for Bihar STET Paper 1 Science Mock Test - 10 - Question 30

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