CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E

Read and download free pdf of CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E. Download printable Biology Class 12 Worksheets in pdf format, CBSE Class 12 Biology Chapter 1 Reproduction in Organisms Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Biology Class 12 Assignments and practice them daily to get better marks in tests and exams for Class 12. Free chapter wise worksheets with answers have been designed by Class 12 teachers as per latest examination pattern

Chapter 1 Reproduction in Organisms Biology Worksheet for Class 12

Class 12 Biology students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Biology will be very useful for tests and exams and help you to score better marks

Class 12 Biology Chapter 1 Reproduction in Organisms Worksheet Pdf

TOPIC : REPRODUC TION IN ORGANISMS
 
1. Define a) life span  b) clone. 
 
2. Identify the asexual reproductive structures in the following organisms
a) Algae     b) Penicillium   c) Hydra     d) Sponge
 
3. Name the vegetative propagules of
a) Potato   b) Ginger         c) Agave    d) Bryophyllum    e) Water hyacinth
 
4. Amoeba is called immortal. Justify.
 
5. In yeast and Amoeba the parent cell divides to give rise to two new individual cells. How does the cell division differ in these two organisms?
 
6. What are gemmules? Name the organisms which produce gemmules. 
 
7. Which plant is known as ‘Terror of Bengal’? Why?
 
8. Mention the site where syngamy occurs in amphibian and reptiles respectively. 
 
9. Vegetative propagation is considered as a type of asexual reproduction. Give reason. 
 
10. Algae and fungi shift to sexual method of reproduction just before the onset of adverse conditions. Give reason.
 
11. What is Juvenile phase? How is it referred to as in plants?
 
12. Name two plants showing unusual flowering phenomenon. 
 
13. Differentiate between oestrous cycle and menstrual cycle.
 
14. Mention the events of sexual reproduction. 
 
15. A moss plant produces a large number of antherozoids but relatively only a few egg cells. Why? 
 
16. Differentiate between unisexual and bisexual organisms. 
 
17. Name the phenomenon and one bird where the female gamete directly develops into a new organism.
 
18. Define: a) Parthenocarpy
b) Parthenogenesis
 
19. Differentiate between external and internal fertilization. 
 
20. Explain a) Gametogenesis
b) Embryogenesis
 
21. Describe the post fertilization changes occurring in a flower.


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CBSE Class 12 Biology Chapter 1 Reproduction in Organisms Worksheet

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