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Let the present ages of Shivani and Shilpa be 7x years and 5x years, respectively. Present age of Shipra = (5x – 5) × 1.20 = 6x – 6 years So according to question: 7x + 5x + 6x – 6 = 3 × (5x + 2) 18x – 6 = 15x + 6 3x = 12, x = 4 So the present age of Shivani = 7 × 4 = 28 years
What are the respiratory organs of insects?
CO2 rich blood in lungs comes from ?
Prothrombin, which is responsible for blood clotting, is released by:
The process of mineralization releases:
__________results in the formation of zygote.
Hemoglobin has the highest affinity with which gas?
The term ‘GEAC’ stands for:
Arrange the following steps of DNA fingerprinting in proper sequence :
(A) Hybridisation using labelled VNTR probe
(B) Separation of DNA f...
The resistance of a conductor ________ and a semiconductor _________ on heating.