CBSE Worksheet for chapter-9 How Do Organisms Reproduce class 10

Worksheet For class 10

This page is prepared by the Academic team of Physics Wallah which consists of CBSE Board Worksheet for Class 10 Biology. Students of Class 10 Biology can get a free Worksheet for Class 10 Biology in PDF format prepared as per the newest syllabus and examination pattern in your schools.

Standard 10 students can practice questions and answers which are given here for Biology in Grade 10 that will help them to improve their knowledge of all important chapters and their topics. Students can also download free pdf of Class 10 Botany Notes prepared by teachers and solve important problems provided here with solutions on daily basis to get more scores in school exams and tests.

For those who are preparing for NEET Exam can check the Biology MCQ for NEET.

Q1. The ovary of a flower becomes…………after fertilization.

Q2. The female organ of reproduction in the flower is the………

Q3. In a flower, the parts that produce male and female gametes are respectively:

1. Sepal and anther
2. Filament and stigma
3. Anther and ovary
4. Stamen and style

Q4. Which of the following is the correct sequence of events of sexual reproduction in a flower?

1. Pollination, fertilization, seed, embryo
2. Seed, embryo, fertilization, pollination
3. Pollination, fertilization, embryo, seed
4. Embryo, seed, pollination, fertilization

Subejctive Type Questions

Q5. What are the reproductive organs in a flower?

Q6. Explain the term ‘fertilization’.

Q7. Explain the terms ‘self-pollination’ and ‘cross-pollination?

Q8. What is meant by ‘unisexual flowers’ and ‘bisexual flowers’? Give two examples of each.

Q9. What changes take place in the flower after fertilization which leads to the formation of seeds?

Q10. What are the advantages of sexual reproduction over asexual reproduction ?

Q11. “The chromosome number of the sexually reproducing parents and their offspring is the same ” Justify this statement.

Q12. Draw a diagram of the longitudinal section of a flower and label it.

Q13. What is double fertilization in plants ?

Q14. Draw a diagram to illustrate fertilization in flowering plant and label the following :

• Pollen grains
• Egg

Q15. List the reproductive parts of a flower. The process of fertilization is termed as double fertilization in animals, why ?