REPRODUCTION
1. Single celled organisms (bacteria, amoeba and paramecium) reproduce by ________.
2. Reproduction through _________ occurs in yeast. _________ occurs in spirogyra, lichens.
3. We get seedless fruits due to ___________ (shift from sexual to asexual reproduction).
4. Vegetative reproduction through leaves takes place in ___________.
5. Reproduction in fungi (rhizopus, mucor) occurs through __________.
6. Spores containing leaves in fern are called as ___________.
7. External fertilization is common in _________ animals (fishes and amphibians).
8. Epididymis (sperms are stored temporarily) is formed by ______________.
9. The development of male reproductive organs regulated by ____________.
10. The release of ovum by rupturing of graffian follicle is called __________.
11. From the 3rd month of pregnancy the embryo is called as _________.
12. The secretion of mammary glands after delivery of baby is called as __________.
13. Bottle guard and papaya are examples for __________ flowers.
14. No. of cells present in pollen tube are ________.
15. ___________ (secondary cell) in embryo sac contains two polar nuclei.
16. The second fertilization in plants gives rise to __________.
17. Mitosis was discovered by ____________ in 1879.
18. The structure of deoxy ribonucleic acid (DNA) is discovered by _______________.
19. DNA synthesis takes place in _________ (“S” stage).
20. Johnson and potu Rao revealed the structure of _____________.
21. Theodor Boveri confirmed the _____________ in 1904.
22. Cells that contain only one set of chromosomes are called _______________.
23. AIDS (Acquired immuno deficiency syndrome) is caused by _______.
24. Prevention of pregnancy in women is called _____________.
25. Birth control surgery in males called ___________ and in females called _____________.
Nice
More than bits in biology
Very nice, easy to practice
its really easy