CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set E

Read and download free pdf of CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set E. Download printable Biology Class 12 Worksheets in pdf format, CBSE Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants 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 2 Sexual Reproduction In Flowering Plants 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 2 Sexual Reproduction In Flowering Plants Worksheet Pdf

Sexual Reproduction in Flowering Plants
 
1. How many microspore mother cells are required to produce 1000 microspores/pollen grains?
(a) 100
(b) 150
(c) 200
(d) 250
 
2. Which of the following represents the female gametophyte in angiosperms?
(a) Embryo
(b) Embryo sac
(c) Synergid
(d) Endosperm
 
3. In a breeding experiment, the selected male parent is diploid and the female parent is tetraploid. What will be the ploidy level of the endosperm that will develop after double fertilisation?
(a) Diploid
(b) Triploid
(c) Tetraploid
(d) Pentaploi
 
4. The development of fruits without fertilisation of the ovary, is called
(a) parthenogenesis
(b) parthenocarpy
(c) agamospermy
(d) apomixis
 
5. When the pollen of a flower is transferred to the stigma of another flower on the same plant, the process is known as
(a) autogamy
(b) geitonogamy
(c) xenogamy
(d) cleistogamy
 
6. The number of meiotic divisions, required to produce 400 seeds in a pea plant, is
(a) 100
(b) 200
(c) 400
(d) 500
 
7. A dicotyledonous plant bears flowers but never produces fruits and seeds. The most probable cause for the above situation is [NCERT Exemplar]
(a) plant is dioecious and bears only pistillate flowers.
(b) plant is dioecious and bears both pistillate and staminate flowers.
(c) plant is monoecious.
(d) plant is dioecious and bears only staminate flowers.
 
8. Autogamy can occur in a chasmogamous flower if [NCERT Exemplar]
(a) pollen matures before maturity of ovule.
(b) ovules mature before maturity of pollen.
(c) both pollen and ovules mature simultaneously.
(d) both anther and stigma are of equal lengths.
 
9. Choose the correct statement from the following. [NCERT Exemplar]
(a) Cleistogamous flowers always exhibit autogamy.
(b) Chasmogamous flowers always exhibit geitonogamy.
(c) Cleistogamous flowers exhibit both autogamy and geitonogamy.
(d) Chasmogamous flowers never exhibit autogamy.
 
10. From among the situations given below, choose the one that prevents both autogamy and geitonogamy. [NCERT Exemplar]
(a) Monoecious plant bearing unisexual flowers.
(b) Dioecious plant bearing only male or female flowers.
(c) Monoecious plant with bisexual flowers.
(d) Dioecious plant with bisexual flowers.
 
11. In a fertilised embryo sac, the haploid, diploid and triploid structures are: [NCERT Exemplar]
(a) Synergid, zygote and primary endosperm nucleus.
(b) Synergid, antipodal and polar nuclei.
(c) Antipodal, synergid and primary endosperm nucleus.
(d) Synergid, polar nuclei and zygote.
 
12. In an embryo sac, the cells that degenerate after fertilisation are: [NCERT Exemplar]
(a) Synergids and primary endosperm cell.
(b) Synergids and antipodals.
(c) Antipodals and primary endosperm cell.
(d) Egg and antipodals.
 
13. Which of the following floral parts forms the pericarp after fertilisation?
(a) Nucellus
(b) Outer integument
(c) Ovary wall
(d) Inner integument
 
14. The stalk of the ovule is called _____ .
 
15. The outer integument of the ovule develops into _____ after fertilisation.
 
16. The exine of pollen grains is made up of ______ .
 
17. The outermost layer of endosperm in a maize grain is known as ______ .
 
18. A bisexual flower that never opens, is called ______ .
 
19. In the grass family, the single cotyledon is called ______ .
 
20. The hollow foliar structure that encloses the leaf primordia in a grass embryo, is called ______ .
 
21. In apple, the ______ also contributes to fruit formation and becomes edible.
 
22. Occurrence of more than one embryo in a seed, is known as ______ .
 
23. Dehydration and _____ of mature seeds are crucial for storage of seeds.
 
24. Match the terms in Column I with the descriptions in Column II.
 
Column I                                      Column II
A. Pericarp                                1. Cotyledon in the seeds of grasses.
B. Pollen grains of Vallisneria      2. Remains of nucellus in a seed.
C. Perisperm                             3. Mucilaginous covering.
D. Scutellum                             4. Wall of the true fruit.
 
25. Match the terms in Column I with the descriptions in Column II.
 
Column I                             Column II
A. Syncarpous ovary    1. Occurrence of more than one embryo in a seed.
B. Polyembryony         2. Carpels in a flower are fused together.
C. Apomixis                3. Removal of Stamens from the bisexual flower bud.
D. Emasculation          4. Formation of seeds without fertilisation.
                                 5. Development of ovary into fruit without fertilisation.
 
26. Sepals and petals orperianth are inconspicuous in entomophilous flowers. [True/False]
 
27. In Zostera, the pollen grains are long and ribbon-like and released inside the water. [True/False]
 
28. Embryo sac → Nucellus → Integuments, is the correct sequence of parts in the ovule of an angiosperms. [True/False]
 
29. Conidia are formed endogenously while zoospores are formed endogenously. [True/False]
 
30. Meiosis does not occur in the organisms showing haplontic life cycle. [True/False]
 
Directions (Q31 to Q35): Mark the odd one in each of the following groups.
 
31. Antipodal cells, Synergids, Zygote, Female gamete
 
32. Zygote, Endosperm, Embryo, Persperm
 
33. Radicle, Plumule, Endosperm, Scutellum
 
34. Mango, Apple, Strawberry, Cashew
 
35. Epidermis, Endothecium, Middle layers, Sporogenous tissue.
 
36. How many microsporangia are present in a typical anther of an ar.giosperm? [Foreign 2013]


Please click on below link to download CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set E

Chapter 01 Reproduction in Organisms
CBSE Class 12 Biology Reproduction In Organisms Question Bank
CBSE Class 12 Biology Reproduction in Organisms Worksheet Set A
CBSE Class 12 Biology Reproduction In Organisms Worksheet Set B
CBSE Class 12 Biology Reproduction In Organisms Worksheet Set C
CBSE Class 12 Biology Reproduction In Organisms Worksheet Set D
CBSE Class 12 Biology Reproduction In Organisms Worksheet Set E
CBSE Class 12 Biology Reproduction In Organisms Worksheet Set F
CBSE Class 12 Biology Sexual Reproduction In Human Beings Worksheet
Chapter 02 Sexual Reproduction In Flowering Plants
CBSE Class 12 Biology Sexual Reproduction in Flowering Plants Worksheet Set A
CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set A Solved
CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set B
CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set C
CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set D
CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set E
CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Worksheet Set F
Chapter 03 Human Reproduction
CBSE Class 12 Biology Human Reproduction Question Bank
CBSE Class 12 Biology Human Reproduction Worksheet Set A
CBSE Class 12 Biology Human Reproduction Worksheet Set B
CBSE Class 12 Biology Human Reproduction Worksheet Set C
CBSE Class 12 Biology Human Reproduction Worksheet Set D
CBSE Class 12 Biology Human Reproduction Worksheet Set E
CBSE Class 12 Biology Human Reproduction Worksheet Set F
CBSE Class 12 Biology Human Reproduction Worksheet Set G
CBSE Class 12 Biology Human Reproduction Worksheet Set H
Chapter 04 Reproductive Health
CBSE Class 12 Biology Human Reproductive Health Question Bank
CBSE Class 12 Biology Reproductive Health Worksheet Set A
CBSE Class 12 Biology Reproductive Health Worksheet Set B
CBSE Class 12 Biology Reproductive Health Worksheet Set C
CBSE Class 12 Biology Reproductive Health Worksheet Set D
CBSE Class 12 Biology Reproductive Health Worksheet Set E
CBSE Class 12 Biology Reproductive Health Worksheet Set F
CBSE Class 12 Biology Reproductive Health Worksheet Set G
Chapter 05 Principles of Inheritance and Variation
CBSE Class 12 Biology Principles of Inheritance And Variation Question Bank
CBSE Class 12 Biology Principles of Inheritance And Variation Worksheet Set A
CBSE Class 12 Biology Principles of Inheritance And Variation Worksheet Set B
CBSE Class 12 Biology Principles of Inheritance and Variation Worksheet Set C
CBSE Class 12 Biology Principles of Inheritance and Variation Worksheet Set D
CBSE Class 12 Biology Principles of Inheritance And Variation Worksheet Set E
CBSE Class 12 Biology Sexual Principles of Inheritance And Variation Worksheet
Chapter 06 Molecular Basis of Inheritance
CBSE Class 12 Biology Molecular Basis of Inheritance Question Bank
CBSE Class 12 Biology Molecular Basis of Inheritance Worksheet Set A
CBSE Class 12 Biology Molecular Basis of Inheritance Worksheet Set B
CBSE Class 12 Biology Molecular Basis of Inheritance Worksheet Set C
CBSE Class 12 Biology Molecular Basis of Inheritance Worksheet Set D
CBSE Class 12 Biology Molecular Basis of Inheritance Worksheet Set E
CBSE Class 12 Biology Molecular Basis of Inheritance Worksheet Set F
Chapter 07 Evolution
CBSE Class 12 Biology Evolution Question Bank
CBSE Class 12 Biology Evolution Worksheet Set A
CBSE Class 12 Biology Evolution Worksheet Set B
Chapter 08 Human Health and Diseases
CBSE Class 12 Biology Human Health And Diseases Question Bank
CBSE Class 12 Biology Human Health And Diseases Worksheet Set A
CBSE Class 12 Biology Human Health And Diseases Worksheet Set B
CBSE Class 12 Biology Human Health And Diseases Worksheet Set C
CBSE Class 12 Biology Human Health And Diseases Worksheet Set D
Chapter 09 Strategies for Enhancement In Food Production
CBSE Class 12 Biology Strategies For Enhancement In Food Production Worksheet Set A
CBSE Class 12 Biology Strategies For Enhancement In Food Production Worksheet Set B
CBSE Class 12 Biology Strategies For Enhancement In Food Production Worksheet Set C
Chapter 10 Microbes In Human Welfare
CBSE Class 12 Biology Microbes In Human Welfare Worksheet Set A
CBSE Class 12 Biology Microbes In Human Welfare Worksheet Set B
CBSE Class 12 Biology Microbes In Human Welfare Worksheet Set C
CBSE Class 12 Biology Microbes In Human Welfare Worksheet Set D
Chapter 11 Biotechnology Principles and Processes
CBSE Class 12 Biology Bio Technology Principles And Processes Question Bank
CBSE Class 12 Biology Biotechnology Principles and Processes Worksheet Set A
CBSE Class 12 Biology Principles And Processes of Biotechnology Worksheet
Chapter 12 Biotechnology and Its Application
CBSE Class 12 Biology Biotechnology And Its Application Question Bank
CBSE Class 12 Biology Biotechnology and Its Applications Worksheet Set A
Chapter 13 Organisms and Populations
CBSE Class 12 Biology Materials Organisms And Population Worksheet
CBSE Class 12 Biology Organisms And Population Worksheet Set A
CBSE Class 12 Biology Organisms And Population Worksheet Set B
CBSE Class 12 Biology Organisms And Population Worksheet Set C
CBSE Class 12 Biology Organisms And Populations Question Bank
Chapter 14 Ecosystem
CBSE Class 12 Biology Ecosystem Question Bank
CBSE Class 12 Biology Ecosystem Worksheet Set A
CBSE Class 12 Biology Ecosystem Worksheet Set B
Chapter 15 Biodiversity and Conservation
CBSE Class 12 Biology Biodiversity And Conservation Question Bank
CBSE Class 12 Biology Biodiversity And Conservation Worksheet Set A
CBSE Class 12 Biology Biodiversity And Conservation Worksheet Set B
CBSE Class 12 Biology Biodiversity And Conservation Worksheet Set C
CBSE Class 12 Biology Biodiversity And Conservation Worksheet Set D
CBSE Class 12 Biology Biodiversity and Conservation Worksheet Set E
Chapter 16 Environmental Issues
CBSE Class 12 Biology Environmental Issues Question Bank
CBSE Class 12 Biology Environmental Issues Worksheet Set A
CBSE Class 12 Biology Environmental Issues Worksheet Set B
Printable Worksheets Class 12 Biology
CBSE Class 12 Biology All Chapters Question Bank
CBSE Class 12 Biology Worksheet Set A Solved
CBSE Class 12 Biology Worksheet Set B Solved
CBSE Class 12 Biology Worksheet Set C Solved
CBSE Class 12 Biology Worksheet Set D Solved
CBSE Class 12 Biology Worksheet Set E Solved
CBSE Class 12 Biology Worksheet Set F Solved
CBSE Class 12 Biology Worksheet Set G Solved
CBSE Class 12 Biology Worksheet Set H Solved
CBSE Class 12 Biology Worksheet Set I Solved

Chapter 2 Sexual Reproduction In Flowering Plants CBSE Class 12 Biology Worksheet

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