JAC 12th Biology Chapter 2 Sexual reproduction in flowering plants Important Questions: झारखण्ड बोर्ड कक्षा 12th सभी विद्यार्थियों के लिए Biology में Chapter 2 sexual reproduction in flowering plants के पिछले वर्षो में जो भी प्रश्न पूछे गए हैं, उनकी चर्चा हम इसमें करेंगे तो इन Important Questions को पढ़ लीजिए.
JAC 12th Biology Chapter 2 Sexual reproduction in flowering plants Important Questions
विद्यार्थी इसका उत्तर स्वयं करें। ये सारे प्रश्न आपके परीक्षा (JAC 12th Biology Important Questions For Board Exams)में बार – बार पूछे जा रहे है। इसमें आपको सभी chapter का अलग-अलग पिछले 16 वर्षों के महत्वपूर्ण प्रश्न मिलेंगे। यानि 2006-2020 इसमें आपको ये भी बताया जा रहा है कि कौन से प्रश्न किस तरह से एवं कितने Biology के पूछे जा रहें है.
| Name of Organisation | Jharkhand Academic Council Ranchi |
| Category | Important Question |
| Article | JAC 12th Biology Important Questions |
| State | Jharkhand |
| Question Types | Previous Year & Important Questions |
| Class | 12th(Inter) |
| Stream | Science |
| Subject | Biology |
| Chapter | 2nd Chapter |
| Chapter Name | Sexual Reproduction in flowering Plants |
| Telegram | Join Us |
JAC 12th Biology Ch 2 Previous Years Important Questions
Chapter 2:- Sexual Reproduction in flowering plants.
1 marks question
Q1. Pollination by snail is called. [JAC 2006]
Q2. Development of fruit without act of fertilization is called:-
a)parthenocarpy
b) parthenogenesis
c) Apomixis [JAC2008]
Q3. Which part of ovule forms the perisperm? [ JAC2009]
Q4. In most cases pollen grains shed at… …
Q5. In which of the following Aril is not found?
a) Custard
b) Apple
c) Mango
d) Lichi [JAC 2012]
Q6. Which one is false fruit ?
a) Mango
b) Coconum
a) Incomplete
b) Perfect
c) Apple
d) Lady’s finger [JAC 2013]
Q7. A flower consisting of both androecium and gynoecium is called:-
[JAC 2014]
Q8. The edible part of coconut is:-
a) epicarp
b) Mesocarp
c) Endocarp
d) Endosperm[JAC 2014]
Q9. Insect pollinated flowers are known as:-
a) Entomophily
b) Ornithophily
c) Anemophily
d) HHydrophily [JAC 2014]
Q10. The edible part of Apple is:-…
a) Endocarp
b) Mesocarp(2 celled /4celled) stage. [JAC 2011]
c) Endosperm
d) Thalamus [JAC 2014,2018]
Q11. Which one is the female gametophyte?
a) Embryo
b) Egg
c) Embryo sac
d) Antipodal cells [JAC 2014]
Q12.which part of the flower is the source of saffron/kesar of Zafran?
a) Style
b) Stigma
c) Petals
d) Pedicle[JAC 2015]
Q13.which type of the self-pollination takes place in underground bi-sexual flowers which never open?
a) Herkogamy
b) Homogamy
c) Cleistogamy
d) Decliny [JAC 2016]
Q14. Which of the following is a diploid structure?
a) Egg cell
b) Synergids
c) Antipodal cell
d) Secondady nuclei [JAC 2016]
Q15.Aril is found in which of the following fruits?
a) Mango
b) Apple
c) Custard apple
d) Pear [JAC 2016]
Q16. Cross -pollination in maize plant takes place by means of –
a) Entomophily
b) Zoophily
c) Melacophily
d) Anemophily [JAC 2017, 2019]
Q17. The Science which deals with the study of fruits is known as :-
a) Pomology
b) Carpelology
c) Horticulture
d) None of these [ JAC2017]
Q18. Conidia is an asexual reproducing structure of which organism?
a) Algae
b) Fungi
c) Bryophytes
d) Protozoa [JAC2018]
Q19.Perisperm is remaining part of which of the following?
a) Nucellus
b) Embryo
c) Endosperm
d) Integument[JAC 2019]
Q20. Removal of anther to prevent self-pollination is called:-
a) Anthesis
b) Emasculation
c) Fermentation
d) None of these [JAC 2019]
Q21.A mature angiosperm embryo sac is :-
a) 7 celled- 7nucleate
b) 8 celled -8nucleate
c) 7celled-8 nucleate
d) 8celled-7 nucleate [JAC 2020]
2 marks questions
Q1. What is double fertilization and triple fusion? [JAC-2006,2008]
Q2.What is parthenocarpy?[JAC 2011]
Q3. The chromosomal ploidy status of a zyogte is (a)__and that of Endosperm is (b)____ [2014]
Q4.Match column A with Column B from the following:-
1.Sporopollenin———-> Pollen
2. Coconut ———–> Endosperm [JAC-2014]
Q5. What is the significance of double fertilization? [JAC 2015]
Q6. Write two advantages of seed dormancy. [JAC 2015]
3 marks questions
Q1.Draw a neat and labelled diagram of a typical anatropous ovule. [ JAC2009]
Q2.What are fruits? Draw labelled diagrams of it showing the internal parts. [JAC2010]
Q3. How does embryo develop in Dicotyledonous ? What are the differences between monocot and Dicot embryo?[JAC 2011]
Q4. What do you understand by double fertilization? Give it’s significance. [JAC 2012]
Q5. Draw a neat labelled diagram of a typical angiosperm ovule? [JAC2013, 2015]
Q6. Choose and label the diagram with appropriate term from the options given – [JAC 2014]
Q7. Write short notes on the following :-a) embryo sac
b)endosperm
c) parthenocarpic fruit [JAC 2016]
Q8. Why the process of fertilization in angiosperm is referred as double fertilization?[JAC2019]
5 marks questions
Q1. What is polyembryony? Discuss its causes and importance.. [JAC 2011]
Q2. How do seeds and fruits develop in angiosperm? Explain with example..[JAC 2012]
Q3. Differentiate between self and cross pollination. Mention two contrivances of each. [JAC2014]
Q4. Define pollination. Give an account of the varied means of cross-pollination in plants.[JAC 2016]
Q5. Describe the structure of typical Angiospermic microsporangium with diagram. Also explain the functions of each part. [JAC2018]
Q6. What do you understand by Seed dormancy? What are the natural ways of breaking the seed dormancy? [JAC 2019]
Q7. With a neat diagram explain the development of 7-celled 8-nucleate female gametophyte in angiosperms.[JAC 2020]
Conclusion
उम्मीद करते हैं या आर्टिकल(JAC 12th Biology Important Questions Chapter 2) आपको पसंद आया होगा अगर आया हो तो कृपया करके अपना प्यारा सा कंमेंट नीचे कर दे उसके साथ ही अधिक अपडेट जानने के लिए हमारे टेलीग्राम ग्रुप में ज्वाइन कर ले.
