12th Bio - Botany (CHAP 1-5 ) Important Questions
- XII Bio - Botany (CHAP 1-5 ) Important Questions - 👇scroll down
- XII Bio - Botany (CHAP 6-10) Important Questions - click here
××× (Most important questions) (1st level)
×× (Important) (2nd level)
× ( Have a glance) (3rd level)
- 1
1.Define diaspores(2)*
2. What is epiphyllous buds(2)**
3. Define between Grafting and layering(4,5)**
4. Explain the process and types of microsporogenesis(6)***
5. Structure of T.S of mature Anther(7)***
6. Write the functions of Tapetum(8)***
7. Difference between Intine and Exine(8)*
8. What is Polenkit ? (9)**
9. Explain the structure of Ovule(10)***
10. Write the types of ovules(10)**
11. Structure of Embryo Sac(12)**
12. Write the Characteristics of Anemophilous flowers(15)**
13. Define Cantharophily,Mellitophilly(17)***
14. Write the Characteristics of Entornoptilaes flowers(17)***
15. Explain the Pollination in Salvia(17)*
16. Explain the events of fertilisation (18)*
17. Entry of Pollen Tube into the Ovule (19)***
18. Write and Explain the types and functions of Endosperm(21)**
19. Explain the structure of Monocot and dicot seed(22,23)**
20. Define Apomixis(24)**
21. What is Polyembryony?(24)**
22. Explain Parthenocarpy?(25)***
(B.B - 25,28,34,37)
- 2
1.Difference between Discontinuous and continuous variations (32)***
2. Write the Importance of Variation (32)*
3. How/why Mendet was successful in his Experiment (32)***
4. Why Mendet choose pea plant for his Experiment?(32)***
5. Seven characters of pea plant (34)**
6. Define Alleles (34)*
7. Explain law of dominance (35)**
8. Explain Monohybrid cross (35)*
7. What is Test Cross (36)***
8. What is Black cross? (37)***
9. Explain Dihybrid cross (37)** and Dihybrid Test cross (39)
10. Gene interaction (40)**
11. Difference between Incomplete Dominance and codominance(41)**
12. What is a lethal gene? (42)**
13. What is pleiotropy? (42)***
14. Explain Dominant Epistasis (42)***
15. Explain cytoplasmic inheritance and chloroplast inheritance (45)***
16. Define Atavism (46)*
(B.B -28)
Chapter - 3
1.Salient features of Sutton and Boveri concept/theory (51)**
2. Difference between Mendelian factors and chromosome behaviour (51)**
3. What is coupling and repulsion? (52)**
4. Difference between complete and Incomplete linkage(54)**
5. Difference between Linkage and crossing over (54)***
6. Explain the Mechanism of 6 crossing over and types of Synopsis (54)***
7. Incomplete of crossing over (55)***
8. Define Gene Mapping and uses of Genetic Mapping (56)***
9. Define Multiple Alleles and write their Characteristics (56)***
10. Explain Self-sterility in Nicotiana (56)*
11. Define mutation and types (58)**
12. Draw the flowchart of classification of ploidy (61)***
13. Explain man-made cereal triticale (63)**
14. Write the significance of ploidy (64)**
Chapter - 4
1.Define zymology (69)*
2. What are secondary metabolites? (70)**
3. What is SCP and its application? (70)***
4. Steps involved in Recombinant DNA Technology (71)**
5. What are restriction enzymes ? (72)**
6. What are vectors?(74)*
7. What do you know about PBR 322 plasmid?(75)***
8. Write a note on Ti Plasmid Bacteria (75)*
9. Write a note on Gel Electrophoresis (79)*
10. Write a note on ELISA (79)*
11. Explain the types of Blotting techniques (79)***
12. Write the advantages of Herbicide Tolerant crops (83)**
13. What are the advantages and disadvantages of BT cotton (83)**
14. GM - Food - Benefits and risks (84,85)**
15. What is bio Pharming? (85)*
16. Explain Bioremediation (85)**
17. Write the applications of Biotechnology (88)***
(B.B - 18,21)
Chapter - 5
1.What are the Basic concepts of plant tissue culture?(97)***
2. Explain the technique involved in PTC (98)***
3. Define Cybrid (100)**
4. Explain Cell Suspension culture (100)**
5. What is Somatic Embryogenesis? Applications(102)***
6. Write the applications of PTC (102)***
7. Difference between somaclonal and Gametoclonal variations (100)**
8. What are Artificial seeds ? Write it's advantages (103)**
9. What is Germplasm conservation (103)*
10. Write about Cryopreservation (103)**
11. Write a note on patenis (104)*
12. Write a note on Future of Biotechnology (105)*
(B.B - 20)
- XII Bio - Botany (CHAP 1-10 ) Important Questions - CLICK HERE
➤ CLASS 12 All SUBJECTS wise Important Questions - CLICK HERE
➤ CLASS 11 All SUBJECTS unit wise Important Questions - CLICK HERE
➤ CLASS 10 All SUBJECTS unit wise Important Questions - CLICK HERE
******📣
Join *whatsapp group* 🔈
TN 12,11,10th IMPORTANT QUESTION and Centum Plan for board exams...
📣Join *whatsapp group* 🔈
*For Class 11,12th :* (only 11&12th should join here) https://chat.whatsapp.com/GxIjB2C6QsL2TVLDZoDgyR
*For Class 10th:*(only 9th & 10th should join here) https://chat.whatsapp.com/GUn6LRGKEd47j29yA3prF6
*You guys too join the group and share it with your school friends and make them to join this whatsapp group ...*
