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#1 Class 10 Science Life Processes 2026 Short 2M CBSE
The leaves of a plant first prepares food 'P' by photo-synthesis. Food 'P' is then converted to food 'Q', which is stored in the leaves if not used immediately. What are 'P' and 'Q'? What are the raw materials and con...
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#2 Class 10 Science Our Environment 2026 Short 2M CBSE
What are decomposers? List two important roles they play in the environment.
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#3 Class 10 Science Life Processes 2026 Short 3M CBSE
Give reasons for the following: (a) Plants do not have an excretory system so how they excrete their wastes? (1) (b) Why do mammals and birds have double circulation? (2)
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#4 Class 10 Science Our Environment 2026 Short 2M CBSE
(a) Explain the role of UV radiation in the formation of ozone layer. (b) Why is UV radiation considered as highly damaging to organisms?
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#5 Class 10 Science Life Processes 2026 Long 5M CBSE
(a) Draw a well-labelled diagram of nephron and label atleast 4 of its parts. (b) Write the role of capillary cluster inside Bowman's capsule. (c) What is meant by selective reabsorption?
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#6 Class 10 Science Life Processes 2026 Long 5M CBSE
(a) Draw a labelled diagram showing open and closed stomatal pore. (b) List the main events that occur during the process of photo-synthesis. (c) Write a balanced chemical equation showing photo-synthesis in plants.
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#7 Class 10 Science Control and Coordination 2026 Long 4M CBSE
Read the following passage and answer the questions that follow: Plants exhibit movements in response to various environmental stimuli to adopt and survive in their surroundings. These movements, influenced by externa...
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#8 Class 10 Science Heredity 2026 Short 3M CBSE
Use the following information for Pea plants: Dominant allele for tall plants - T; Recessive allele for short plants - t; Dominant allele for purple flowers - P; Recessive allele for white flowers - p. (a) Perform a c...
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#9 Class 10 Science Heredity 2026 Short 3M CBSE
Study the given table and answer the following questions: Parents: A pea plant with red flowers was crossed with a pea plant with white flowers. $F_1$: 30 seeds were sown and all bore plants with red flowers. $F_2$: 4...
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#10 Class 10 Science Control and Coordination 2026 Short 3M CBSE
Give reasons for the following: (a) Adrenal gland is known as the stress gland of the body. (b) Prenatal sex determination is banned in India. (c) Vegetative propagation is advantageous in some plants.
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#11 Class 10 Science Control and Coordination 2026 Short 2M CBSE
Sunil unconsciously touched the hot iron rod and immediately withdrew his hand. Which type of action is involved? Also define this action. Draw a flow chart to show the path followed for this action.
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#12 Class 10 Science Life Processes 2026 Short 2M CBSE
Varun is diabetic. His latest ultrasound reports showed a blockage in his pancreatic duct. How will this affect the dual functioning of the pancreas?
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#13 Class 10 Science Our Environment 2026 Short 2M CBSE
Explain why food chains generally consist of three or four steps.
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#14 Class 10 Science Life Processes 2026 Short 2M CBSE
"Transpiration in plants is a necessary evil." Comment on the statement giving two reasons.
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#15 Class 10 Science Life Processes 2026 Mcq 1M CBSE
Translocation is the process in which plants deliver:
A. Minerals from leaves to other parts of the plant.
B. Plant growth hormones from leaves to other parts of the plant.
C. Water and inorganic substances from leaves to other parts of the plant.
D. Organic substances from leaves to the other parts of the plant.
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#16 Class 10 Science Life Processes 2026 Mcq 1M CBSE
Four chambered heart is a characteristic of:
A. Fishes
B. Amphibians
C. Reptiles
D. Mammals
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#17 Class 10 Science How do Organisms Reproduce? 2026 Long 1M CBSE
Assertion (A): Reproduction, like any other life process, is essential to maintain the life of an individual organism. Reason (R): Reproduction involves creation of a DNA copy and additional cellular apparatus by the ...
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#18 Class 10 Science Life Processes 2026 Mcq 1M CBSE
Opening of stomata is regulated by:
A. Entry of water into guard cells
B. Exit of water from guard cells
C. Entry of air into the stomatal pore
D. Entry of water into the stomatal pore
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#19 Class 10 Science Our Environment 2026 Mcq 1M CBSE
In terms of various trophic levels of a food chain, which of the following organisms belong to the same level?
A. Snake and Grasshopper
B. Grass and tree
C. Lizard and elephant
D. Bacteria and grass
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#20 Class 10 Science Our Environment 2026 Long 1M CBSE
Assertion (A): Highest percentage of pesticides is found in tertiary consumers in a food chain. Reason (R): Chemicals / pesticides get accumulated progressively at each trophic level. Select the correct option.
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