12th Class Biology Quiz Ranking Competition

1. Syngamy means

2. What is the correct surgical method for preventing pregnancy in which the vas deferens is cut?

3. In a population, unrestricted reproductive capacity is called

4. The end of vegetative phase in plants which marks the beginning of the reproductive phase can be easily seen in the higher plants when they come to

5. A woman with albinic father marries an albinic man. The proportion of her progeny is

6. Which of the following is a transporting tube leading from the bladder to which brings urine outside the body via penis?

7. Wind pollination is common in

8. From among the sets of terms given below, identify those that are associated with the gynoecium

9. Fertilizins are emitted by

10. What would be the number of chromosomes in the cells of the aleuronelayer in a plant species with 8 chromosomes in its synergids?

11. The technique which makes use of amniotic fluid for the detection of prenatal disorder is called as

12. Through which cell of the embryo sac, does the pollen tube enter the embryo sac?

13. When a certain character is inherited only through female parent, it probably represents

14. In protists and monerans, asexual reproduction occurs by

15. Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino ?

16. Meiosis is best observed in dividing

17. How does human sperm locomote?

18. If a genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny, the disease is

19. What is common between vegetative reproduction and apomixis ?

20. In the young cob of maize, numerous filamentous hair like structures protruding from its tip are