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XII BOARDS PREVIOUS YEAR-XII BOARDS-Set I
- Sate the chromosomal defect in individuals with Turner's syndrome.
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- These pictrues show the gynaeceum of (A) Papaver and (B) Michellia flo...
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- Mention the economic value of Apis indica.
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- Shark is eurythermal while polar bear is stenothermal. What is the adv...
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- What is EcoRI ? How does EcoRI differ form an exonuclease ?
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- (a) What are the after effects of the degradation of ozone ? (b) Ho...
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- A childless couple has agreed for a test tube baby programme. List onl...
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- Banana fruit is said to be parthenocarpic where as turkey is said to b...
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- Is sweet potato analogous or homologous to potato tuber ? Give reasons...
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- Why is Taq polymerase preferred in PCR ? Mention the source of this en...
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- Our farmers still use DDt. How is the affecting the local bird populat...
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- How does the HIV breakdown the immune system of the AIDS patient ?
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- The above diagrams shows human male reproductive system (one side only...
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- How did industrialization play a role in Natural Selection of light a...
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- What do you infer from the resemblance between flying squirrel and fly...
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- A patient is down with Amoebiasis. List the symptoms that confirm this...
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- (a) Differentiate between a template strand and coding strand of DNA. ...
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- Explain succession of plants in xerophytic habitat until it reaches cl...
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- A sugarcane has been affected by virus. How can a virus free cane be d...
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- Why is DNA a better genetic meterial when compared to RNA ?
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