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Sonal Chauhan

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Sonal Chauhan

Asked: December 26, 2023In: Class 10 Science

Rajesh observed a patch of greenish black powdery mass on a stale piece of bread. a. Name the organism responsible for this and its specific mode of asexual reproduction. b. Name its vegetative and reproductive parts.

Asexual reproduction involves the creation of offspring without the union of gametes. It results in genetically identical or nearly identical offspring to the parent, common in plants, bacteria, and fungi.

Sonal Chauhan

Asked: December 26, 2023In: Class 10 Science

State the number of sets of chromosomes present in a zygote.

Chromosomes are thread-like structures in cells containing DNA. They carry genetic information, determining an organism’s traits. Humans have 23 pairs, with one set inherited from each parent.

Sonal Chauhan

Asked: December 26, 2023In: Class 10 Science

Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.

Male gamete (sperm) is small, mobile, and contributes genetic material. Female gamete (egg) is larger, non-motile, and provides nutrients. Fusion during fertilization forms a zygote, initiating development.

Sonal Chauhan

Asked: December 21, 2023In: Class 10 Science

(i) Write two observations when lead nitrate is heated in a test tube. (ii) Name the type of reaction. (iii) Write a balanced chemical equation to represent the above reaction.

CBSE sample paper class 10 science 2023-24 with solutions

Sonal Chauhan

Asked: December 21, 2023In: Class 10 Science

Define catenation. How does valency of an element vary across a period?

CBSE Class 10 Science Board Sample Question Paper 2023-24

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?

CBSE sample papers for class 10 biology latest question

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

Sonal Chauhan

Asked: December 14, 2023In: Class 10 Science

Why is the flow of signals in a synapse from axonal end of one neuron to dendritic end of another neuron but not the reverse?

CBSE class 10 science sample questions paper 2023-2024

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