HSC 2027 BIOLOGY CHAPTER 1 REPRODUCTION IN PLANTS
MOST EXPECTED QUESTIONS
1. DIFFERENCE BETWEEN CHALAZOGAMY & POROGAMY
2. DEFINE SIPHONOGAMY
3. MENTION POLLINATING AGENT OF MAIZE FLOWERS
4. HOW MANY HAPLOID NUCLEI ARE PRESENT IN MATURE FEMALE GAMETOPHYTE OF ANGIOSPERMS
5. HOW MANY MEIOTIC DIVISIONS ARE REQUIRED TO FORM 300 SEEDS IN ANGIOSPERMS
6. NAME THE GYNOCEIUM THAT DETERMINES COMPATIBILITY OF POLLEN GRAINS
7. SKETCH AND LABEL THE DIAGRAM OF ANATROPOUS OVULE
8. EXPLAIN 2 CELL STAGE OF POLLEN GRAIN IN ANGIOSPERMS
9. DIFFERENCE BETWEEN SEXUAL & ASEXUAL REPRODUCTION
10. SIGNIFICANCE OF DOUBLE FERTILIZATION
11. DEFINE POLYEMBRYONY. STATE ITS DIFFERENT TYPES
12. WHAT IS POLLINATION
13. DEVELOPMENT OF MALE GAMETOPHYTE FROM MICROSPORE
14. DIFFERENCE BETWEEN ANAEMOPHILY & ENTOMOPHILY
15. SKETCH AND LABEL ENTRY OF POLLEN TUBE INTO OVULE
16. DEFINE ENDOSPERM ? DESCRIBE TYPES OF ENDOSPERM
17. EXPLAIN GRAFTING , APOMIXIS, POLYEMBRYONY,PARTHENOCARPY
18. 4 CONTRIVANCES TO PREVENT SELF POLLINATION
19. DESCRIBE 3 ADAPTATIONS IN ANAMOPHILOUS FLOWERS
20. DESCRIBE 3 ADAPTATIONS IN HYDROPHILOUS FLOWERS
21. DESCRIBE OUTBREEDING WHICH ENCOURAGE CROSS POLLINATION
22. EXPLAIN NUCLEAR AND HELOBIAL TYPES OF ENDOSPERM WITH EXAMPLES