CTET Teacher Eligibility Test Science Solved Question Paper (3)- Solved board exam question papers prepared for CBSE students by the best teachers in Delhi.
1. Adding salt and sugar to food substances helps In preserving them for a longer duration. It is because excess salt and sugar
(1) plasmolyse the microbial cells
(2) cause rupturing of microbial cells
(3) cause change in the shape of microbial cells
(4) remove water from food
2. Hormone Adrenaline
(1) helps control level of sugar in the blood
(2) helps the body to adjust stress level when one is very angry or worried
(3) helps control height
(4) helps control balance of electrolytes in the body
3. The green house effect which is causing an increase in the atmospheric temperature is mainly due to
(3) carbon dioxide
4. Green plants appear to release oxygen instead of carbon dioxide into the atmosphere during the day time because
(1) green plants do not respire during the night time
(2) green plants respire only during the night time
(3) green plants respire during the day time but are involved in photosynthesis during the night time
(4) the rate of photosynthesis is higher than the rate of respiration during the day time
5. A common characteristic feature of plant sieve-tube cells and mammalian erythrocytes is
(1) absence of nucleus
(2) absence of chloroplast
(3) absence of cell wall
(4) presence of haemoglobin
6. Most Boards of Education have banned the dissection of animals because
(1) animals are no longer available for dissection
(2) procuring animals has become an expensive proposition
(3) there is a need to sensitise students to prevention of cruelty to animals
(4) they may spread new diseases
7. The main aim of conducting Mathematics and Science Olympiads is to
(1) promote excellence in the subject by nurturing creativity and experimentation
(2) grade students according to their capabilities
(3) help students score high marks in professional examinations
(4) grade schools based on the performance of their students
8. Four applicants for a post of TGT (Science) were asked to plan a lesson on "Consequences of Deforestation", Which one of the following lesson plans reflects the scientific approach ?
(1) Explains in detail the consequences of deforestation
(2) Provides a variety of examples to explain the concept
(3) Includes activities that children can perform in groups and draw conclusions through a Power Point presentation
(4) Mentions about the use of ICT to help students understand the concept
9. Ms. Patel, Principal of a School XYZ, is keen about integrated approach to teaching of Science rather than teaching different disciplines separately. The basis of this is
(1) non-availability of qualified teachers in her school to teach separate disciplines
(2) difficulty to adjust the teachers in the time-table
(3) difficulty of students to adjust to different teachers
(4) all the disciplines are interlinked and a teacher can draw on cross-curricular linkages
10. A teacher plans to teach "Components of Food" in Class-VI. Which of the following can be used as an essential question ?
(1) List the food items your mother serves you in lunch.
(2) Why does your mother serve you a meal with a variety of food items ?
(3) Does your mother prepare a definite set of food items for lunch every day?
(4) Do you eat all the items served in your lunch every day?
11. While teaching the concept, "force can change the shape of an object" to students, a teacher plans the following activities:
a. Explain concepts using commonly observed examples.
b. Provide a dough on a plate and ask the students to press it down with the hand.
c. Show an audio-visual• film explaining the concept with some examples.
d.The teacher is using different approaches to learning because
(1) she wants to prove her knowledge
(2) she knows she must follow her lesson plan
(3) she wants to prepare students for a test
(4) there are different kinds of learners in the class and she wants to address multiple intelligences
12. Which of the following can be assessed when Geeta is using only MCQ as a tool to assess "Nutrition in Humans" ?
(1) Analytical ability to classify food items and make a poster
(2) Misconceptions related to food habits
(3) Learners' ability to apply knowledge and prepare a role play to present in the morning assembly
(4) Learners' ability to comprehend the importance of components of food and write a long essay
13. While selecting a performance task to help students develop research oriented skills in a Science class, a teacher may pick up a topic
(1) from the content given in the syllabus which must be completed in time
(2) which majority of the students in a class find interesting
(3) which she thinks is important for the students
(4) related to a problem faced by students in their day-to-day functioning and which is a part of the concepts to be covered for this class
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