Are these practice questions for Life Processes in Plants based on the CBSE pattern?

Yes. Every practice question is modeled on the CBSE Class 7 Science exam pattern — including MCQs, assertion-reason questions, and short-answer formats that frequently appear in CBSE papers.

Are the practice questions for Life Processes in Plants free?

Yes. Every chapter includes free practice questions for Class 7 students to get you started.

What types of questions are included?

The practice set for Life Processes in Plants mainly includes MCQs and CBSE-style short-answer questions, with instant feedback on each answer. For full-length textbook practice, use the NCERT Solutions page.

Are the practice questions suitable for board exam preparation?

Yes. The questions test the same concepts and depth that CBSE asks in board exams. After finishing, also solve the NCERT and NCERT Exemplar exercises for Life Processes in Plants for full coverage.

How many practice questions are there for Life Processes in Plants?

The number scales with chapter length and concept density. Each chapter typically has 15-50 practice questions across MCQ and short-answer formats.

Life Processes in Plants Class 7 Science Practice Questions with Answers

easy

Name the green pigment present in plant leaves and explain its role in photosynthesis.

Try solving it in your notebook first, then check the solution.

easy

Recall the two main products produced during photosynthesis.

Try solving it in your notebook first, then check the solution.

easy

Explain why leaves are referred to as the 'food factories' of plants.

Try solving it in your notebook first, then check the solution.

easy

Describe how plants obtain carbon dioxide from the environment.

Try solving it in your notebook first, then check the solution.

easy

Evaluate the statement 'Plants are autotrophs, therefore they do not respire'.

Try solving it in your notebook first, then check the solution.

easy

Recall the word equation for respiration.

Try solving it in your notebook first, then check the solution.

easy

Define respiration in plants.

Try solving it in your notebook first, then check the solution.

easy

Define photosynthesis and identify the key ingredients required for this process.

Try solving it in your notebook first, then check the solution.

easy

List the raw materials required for photosynthesis.

Try solving it in your notebook first, then check the solution.

easy

Recall the word equation for photosynthesis.

Try solving it in your notebook first, then check the solution.

easy

Describe the role of stomata in plants.

Try solving it in your notebook first, then check the solution.

easy

Design a simple experiment to demonstrate that plants release carbon dioxide during respiration.

Try solving it in your notebook first, then check the solution.

easy

Demonstrate how you would test a leaf for the presence of starch. Detail the steps involved and the expected result if starch is present.

Try solving it in your notebook first, then check the solution.

easy

Identify the gas released during respiration in plants.

Try solving it in your notebook first, then check the solution.

easy

Apply your understanding of photosynthesis to explain why plants appear green. What specific substance is responsible, and how does it interact with light?

Try solving it in your notebook first, then check the solution.

medium

Analyze the role of stomata in the context of both photosynthesis and respiration in plants. Compare their function during the day and night.

Try solving it in your notebook first, then check the solution.

medium

Analyze how the rate of transpiration might affect the rate of water absorption by the roots of a plant. Describe the relationship and provide a reason.

Try solving it in your notebook first, then check the solution.

medium

Evaluate the role of stomata in both photosynthesis and respiration in plants, and explain how their function is essential for the plant's survival.

Try solving it in your notebook first, then check the solution.

medium

Critique the statement 'Plants only absorb water through their roots'.

Try solving it in your notebook first, then check the solution.

medium

Formulate a strategy for a farmer to improve the efficiency of photosynthesis in their crops, considering factors like water availability, nutrient supply, and light exposure.

Try solving it in your notebook first, then check the solution.

medium

Summarize the function of phloem in plants.

Try solving it in your notebook first, then check the solution.

medium

Examine the effect of blocking stomata on the lower surface of a leaf on the plant's ability to perform photosynthesis. What would happen to the rate of photosynthesis?

Try solving it in your notebook first, then check the solution.

medium

Explain the role of water in plant growth and development.

Try solving it in your notebook first, then check the solution.

medium

Critique the statement 'Plants only need sunlight and water to grow' based on your understanding of plant nutrition.

Try solving it in your notebook first, then check the solution.

medium

Contrast the effect of high temperature versus low temperature on the rate of respiration in plants. Explain your reasoning.

Try solving it in your notebook first, then check the solution.

medium

Contrast the functions of xylem and phloem in the transport of substances within a plant. Provide specific examples of the materials each tissue transports.

Try solving it in your notebook first, then check the solution.

medium

Compare the effect of varying light intensity on the rate of photosynthesis in two identical plants. One plant is exposed to full sunlight, and the other is placed under a shade. Analyze the expected differences in starch production after one week.

Try solving it in your notebook first, then check the solution.

medium

List three factors that affect the rate of photosynthesis.

Try solving it in your notebook first, then check the solution.

medium

Identify the two types of transport tissues found in plants and explain what they transport.

Try solving it in your notebook first, then check the solution.

medium

Compare the process of respiration in plants and animals. Identify the similarities and differences in terms of gas exchange and energy production.

Try solving it in your notebook first, then check the solution.

medium

Examine the impact of deforestation on the global carbon cycle. How does the removal of trees affect the balance of carbon dioxide in the atmosphere?

Try solving it in your notebook first, then check the solution.

medium

A plant is placed in a closed container with a limited supply of air. Analyze how the concentrations of carbon dioxide and oxygen will change over time, and relate this to the processes of photosynthesis and respiration.

Try solving it in your notebook first, then check the solution.

medium

Analyze the effect of increasing the amount of water available to a plant on its rate of photosynthesis. Explain your reasoning.

Try solving it in your notebook first, then check the solution.

medium

A plant is kept in complete darkness for an extended period. Formulate a hypothesis about how this will affect the plant's ability to transport food and water.

Try solving it in your notebook first, then check the solution.

medium

Examine how the absence of carbon dioxide would affect the process of photosynthesis in a plant. Explain the immediate and long-term consequences for the plant's survival.

Try solving it in your notebook first, then check the solution.

medium

Propose a sustainable method for managing agricultural waste (e.g., crop residues) to benefit plant nutrition and reduce environmental impact.

Try solving it in your notebook first, then check the solution.

medium

Design an experiment to investigate if the rate of transpiration is higher on a windy day compared to a calm day.

Try solving it in your notebook first, then check the solution.

hard

Propose a method to determine whether a plant is actively respiring, even in the presence of light when photosynthesis is also occurring.

Try solving it in your notebook first, then check the solution.

hard

Propose a method to genetically modify a plant to enhance its photosynthetic efficiency under low light conditions. Justify your approach.

Try solving it in your notebook first, then check the solution.

hard

Design a system to monitor water transport in a plant using non-invasive methods.

Try solving it in your notebook first, then check the solution.

hard

Formulate a hypothesis regarding the impact of increased atmospheric carbon dioxide levels on the rate of photosynthesis and plant growth. Justify your hypothesis with scientific reasoning.

Try solving it in your notebook first, then check the solution.

hard

Evaluate the impact of deforestation on the carbon cycle and global climate change, specifically focusing on the role of plants in carbon sequestration.

Try solving it in your notebook first, then check the solution.

hard

Design an experiment to test the effect of different colors of light on the rate of photosynthesis in a submerged aquatic plant.

Try solving it in your notebook first, then check the solution.

hard

A farmer wants to increase the yield of their tomato crop. They decide to add fertilizer containing nitrates to the soil. Analyze how this action affects the plant's life processes, specifically water and food transport.

Try solving it in your notebook first, then check the solution.

hard

Calculate the rate of glucose production by a leaf if it absorbs

0.02

grams of carbon dioxide per second. Assume that all the carbon dioxide absorbed is converted into glucose (

C_6H_{12}O_6

). The molar mass of

CO_2

is

44 \text{ g/mol}

and

C_6H_{12}O_6

is

180 \text{ g/mol}

.

Try solving it in your notebook first, then check the solution.

Life Processes in PlantsClass 7 Science Practice Questions