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Rajshekhar

Asked: December 15, 2023In: Class 10 Science

In tobacco plant, the male gametes have twenty-four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote?

CBSE Class 10 Science Sample Question Paper for Board Exam 2023-2024

Srushti

Asked: December 15, 2023In: Class 10 Science

What are the legally prescribed minimum age for marriage for females and males? Can you List four points of significance of reproductive health in a our society. Name any two areas related to reproductive health which have improved over the last past 50 years in our country.

CBSE Class 10 Science Sample Question Papers 2023-2024

Prasant

Asked: December 14, 2023In: Class 10 Science

A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water. Will the pencil appear to be bent to the same extent, if instead of water we use liquids like, kerosene or turpentine? Support your answer with reason.

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Sonal Chauhan

Asked: December 14, 2023In: Class 10 Science

4) A study found that children with light-coloured eyes are likely to have parents with light-coloured eyes. On this basis, can we say anything about whether the light eye colour trait is dominant or recessive? Why or why not?

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Sonal Chauhan

Asked: December 14, 2023In: Class 10 Science

In the given following food chain, vertical arrow indicate the energy lsot to the environment and horizontal arrows shows energy transferred to the next level of trophic. Now say, Which one of the three (3) vertical arrows (A, C and E) and which one of the two (2) horizontal arrows (B and D) will display more energy transfer? Give reason for your answer.

In the given following food chain, vertical arrow indicate the energy lsot to the environment and horizontal arrows shows energy transferred to the next level of trophic. Now say, Which one of the three (3) vertical arrows (A, C and E) and which one of the two (2) horizontal arrows (B and D) will display more energy transfer? Give reason for your answer.

Class 10 Science Sample Paper for 2023-2024

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