Sonal Chauhan

Prasant

Asked: December 18, 2023In: Class 10 Science

Explain the ways in which glucose is broken down in absence of oxygen.

2023-2024 CBSE science class 10th sample question paper and answer pdf free download

shanti34

Asked: December 16, 2023In: Class 8 Social Science

Discuss the role of any two factors influencing population change.

NCERT Solutions for Class 8 Social Science Geography Chapter 4 Human Resources Question 1(iv). Page No. 52 NCERT Academic Session 2023-2024

Prasant

Asked: December 16, 2023In: Class 10 Science

The gene for red hair is recessive to the gene for black hair. What will be the hair colour of a child if he inherits a gene for red colour from his mother and a gene for black hair from his father? Express with the help of flow chart.

CBSE class 10 science sample question paper with answer 2023-2024

Mayur Arya

Asked: December 16, 2023In: Class 10 Science

Different species use different strategies to determine sex of a new born individual. It can be environmental cues or genetically determined”. Justify this statement giving reason/example.

Latest CBSE science class 10 sample question paper with answer 2023-2024 pdf download

Mayur Arya

Asked: December 16, 2023In: Class 10 Science

Explain with the help of labelled diagrams the development that takes place in each of the body parts of a Planaria where body is cut into three pieces. None this process and give an example of an organism in which a similar process can be observed.

CBSE class 10 science sample question paper with answer 2023-2024 download

Subham Kumar

Asked: December 16, 2023In: Class 10 Science

An organic compound ‘X’ is a liquid at room temperature. It is also a very good solvent and has the molecular formula C2 H6 O. on oxidation ‘X’ gives ‘Y’ which give, break effervescence on reacting with NaHCO3. X reacts with Y in the presence of conc.H2SO4to give another compound ‘Z’ which has a pleasant smell. Identify X, Y and Z. Also write chemical equations to show the formation of Y and Z.

CBSE science class 10 sample question paper 2023-2024

Subham Kumar

Asked: December 16, 2023In: Class 10 Science

What are isomers? “Isomers of the first three members of alkane series are not possible”. Give reason to justify this statement and draw structures of two isomers of butane, C4 H10.

NCERT CBSE class 10 science sample question paper 2023-2024

Subham Kumar

Asked: December 16, 2023In: Class 10 Science

When a concave mirror is placed facing Sunlight, the Sun’s rays or sun light converge to a point 10 cm from the mirror. Now, if you place 2 cm long candles flame 20 cm away on the principal axis of the mirror, where would you specify a place a screen to obtain the image of the candle? What would see the size of a image? Draw a ray diagram to justify your answer.

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

Subham Kumar

Asked: December 16, 2023In: Class 10 Science

List two secondary sexual characters of males that are different from that of females.

CBSE Class 10 Science sample question paper 2023-2024

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

Sonal Chauhan

Explain the ways in which glucose is broken down in absence of oxygen.

The gene for red hair is recessive to the gene for black hair. What will be the hair colour of a child if he inherits a gene for red colour from his mother and a gene for black hair from his father? Express with the help of flow chart.

Different species use different strategies to determine sex of a new born individual. It can be environmental cues or genetically determined”. Justify this statement giving reason/example.

Explain with the help of labelled diagrams the development that takes place in each of the body parts of a Planaria where body is cut into three pieces. None this process and give an example of an organism in which a similar process can be observed.

What are isomers? “Isomers of the first three members of alkane series are not possible”. Give reason to justify this statement and draw structures of two isomers of butane, C4 H10.

List two secondary sexual characters of males that are different from that of females.

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?

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