1.

Answer the following questions briefly and to the point:(i) Give a significant point of difference between Oestrous and Menstrual cycle. (ii) Give the biological name of the organism causing typhoid. (iii) If the haploid number of chromosomes in a plant species is 20, how many chromosomes will be present in the cells of the shoot tip? (iv) Name a plant which flowers every twelve years. (v) Name the diagnostic test for AIDS. (vi) Name the terminal stage of ageing in the life cycle of plants. (vii) Which organisms constitute the last trophic level? (viii) What is emasculation?

Answer»
Oestrous cycleMenstrual cycle
Occurs in non-primate mammals There is no blood flow. Female allows mating only during heatOccurs in primate mammals. Blood flow occurs. Female always allow mating.

(ii) Salmonella typhi 

(iii) 40 chromosomes 

(iv) Strobilanthes kunthiana / Neelakuranji 

(v) ELISA test/ Western blot test 

(vi) Senescence 

(vii) Decomposers 

(viii) Emasculation is removal of anthers from bisexual flower before maturing for cross-fertilization.



Discussion

No Comment Found

Related InterviewSolutions