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Kiara Singh

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Kiara Singh

Asked: December 22, 2023In: Class 10 Science

Describe the role of prostate gland, seminal vesicle and testes in the human male reproductive system. How is the surgical removal of unwanted pregnancies misused? Explain the role of oral contraceptive pills in preventing conception.

2023-2024 CBSE Science Class 10 Sample Question Paper download

Kiara Singh

Asked: December 22, 2023In: Class 10 Science

Why do multicellular organisms use complex way of reproduction?

NCERT, CBSE Science Class 10 Sample Question Paper 2023-2024 download with solutions

Kiara Singh

Asked: December 22, 2023In: Class 10 Science

What is visible spectrum? Why is red used as the stopping light at traffic signals? (iii)Two triangular glass prisms are kept together connected through their rectangular side. A light beam is passed through one side of the combination. Will there be any dispersion? Justify your answer.

CBSE class 10 science sample question paper 2023-2024 for board exam

Kiara Singh

Asked: December 22, 2023In: Class 10 Science

Suppose your parents have constructed a two room house and you want that in the living room there should be a provision of one electric bulb, one electric fan, a refrigerator and a plug point for appliances of power up to 2 kilowatt. Draw a circuit diagram showing electric fuse and earthing as safety devices.

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

Kiara Singh

Asked: December 22, 2023In: Class 10 Science

It is desired to obtain an erect image of an object, using concave mirror of focal length of 12 cm. (i) What should be the range of the object distance in the above case? (ii) Will the image be smaller or larger than the object? Draw a ray diagram to show the formation of image in this case. (iii) Where will the image of this object be, if it is placed 24 cm in front of the mirror?

sample question paper for class 10 CBSE science with solutions 2023-2024

Kiara Singh

Asked: December 21, 2023In: Class 10 Science

Why do more and more people prefer to use condoms? What is the principle behind use of condoms?

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

Kiara Singh

Asked: December 21, 2023In: Class 10 Science

a) Explain why carbon forms covalent bond? Carbon forming a large number of compounds – Give Two reasons. b) The formation of ammonia molecule – Explain.

2024 CBSE Class 10 Science Sample Question Paper SQP download with solutions

Kiara Singh

Asked: December 21, 2023In: Class 10 Science

A compound A (C2H4O2) reacts with Na metal to form a compound ‘B’ and evolves a gas which burns with a pop sound. Compound ‘A’ on treatment with an alcohol ‘C’ in presence of an acid forms a sweet-smelling compound ‘D’ (C4H8O2). On addition of NaOH to ‘D’ gives back B and C. Identify A, B, C and D write the reactions involved.

CBSE class 10 science sample question paper SQP 2023-2024

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

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Kiara Singh

Describe the role of prostate gland, seminal vesicle and testes in the human male reproductive system. How is the surgical removal of unwanted pregnancies misused? Explain the role of oral contraceptive pills in preventing conception.

Why do multicellular organisms use complex way of reproduction?

What is visible spectrum? Why is red used as the stopping light at traffic signals? (iii)Two triangular glass prisms are kept together connected through their rectangular side. A light beam is passed through one side of the combination. Will there be any dispersion? Justify your answer.

Why do more and more people prefer to use condoms? What is the principle behind use of condoms?

a) Explain why carbon forms covalent bond? Carbon forming a large number of compounds – Give Two reasons. b) The formation of ammonia molecule – Explain.

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

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