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Prasant

Asked: December 21, 2023In: Class 10 Science

The flow of energy between various or many components of the environment has been extensively studied. List four findings.

CBSE Science Class 10 SQP, Sample Question Paper 2023-2024

Srushti

Asked: December 20, 2023In: Class 10 Science

The image of an object formed by a mirror is real, inverted and is of magnification -1. If the image is at the distance of 30 cm from the mirror, where is the object placed? Find the position of the image if the object is now moved 20 cm towards the mirror. What is the nature of the image obtained? Justify your answer with the help of ray diagram.

CBSE Science Class 10 Sample Question Paper 2023-2024 download with Solutions

Srushti

Asked: December 20, 2023In: Class 10 Science

A student conducted an experiment to show CO2 is released during respiration. List two precautions that he/she must take for obtaining correct observations.

Rationalised syllabus CBSE Class 10 Science Sample Question Paper 2023-2024

Srushti

Asked: December 20, 2023In: Class 10 Science

How is ozone both beneficial and damaging? How can depletion of ozone layer be prevented?

CBSE Class 10 Science Sample Question Paper new 2023-2024 with Solutions

Kiara Singh

Asked: December 19, 2023In: Class 10 Science

What is biogas? Describe the steps involved in obtaining biogas.

NCERT Science Class 10 sample question paper with solution 2023-24

Kiara Singh

Asked: December 19, 2023In: Class 10 Science

A variegated leaf with green and yellow patches in used for an experiment to prove that chlorophyll is required for photosynthesis. Before the experiment the green portions (A), and the pale-yellow portions (B), are observed. Now, answer that – what will be the colour of ‘A’ just before and after the starch test? Write also the equation of the process of photosynthesis and mark, as well as validate from which molecule the by-product is obtained.

Rationalised syllabus 2023-2024 CBSE Class 10 sample question paper

Rajshekhar

Asked: December 19, 2023In: Class 10 Science

In a flowering plant, summarize the events that take place after fertilization.

Rationalised syllabus CBSE NCERT Science Class 10 sample question paper with solution 2023-2024

Srushti

Asked: December 18, 2023In: Class 10 Science

An object of height 1.2m is placed before a concave mirror of focal length 20 cm so that a real image is formed at a distance of 60 cm from it. Find the position of an object. What will be the height of the image formed?

2023-2024 NCERT cbse class 10 science sample question paper and answer pdf free download

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