Class 12th Biology 2017 Set1 Delhi Board Paper Solution
Question 16
What precaution(s) would you recommend to a patient requiring repeated blood transfusion?
Answer
If a person or patient requires repeated blood transfusion then, he must follow some precautions as:
1) Strerilized synergies or needles should be used, avoid infected needles or using same needles can cause HIV AIDS.
2) He should not be drug abuser or addicted.
3) Transfusion of contaminated blood and blood products should be avoided.
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(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals. - Q:- With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
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- Q:- Explain the Law of Dominance using a monohybrid cross.
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(a) Producers
(b) Primary consumers
(c) Secondary consumers
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