Class 11

Extra In Biology question bank (Biology)

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Q1.

When a small piece of the dorsal lip of the blastopore of a frog's early gastrula is transplanted into another gastrula of similar age at the ventral lip,the result is:

(A)
Death of the graft tissue
(B)
The host gastrula undergoes abnormal development
(C)
The host gastrula remains normal and unaffected
(D)
The graft tissue induces development of another notochord in the host
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Q2.

$A$ patient of $Diabetes \text{ } mellitus$ excretes glucose in urine even when he is kept on a carbohydrate-free diet. The most likely reason for that is:

(A)
Amino acids are catabolised in the liver to form sugar
(B)
Amino acids are discharged in the blood stream from the liver
(C)
Fats are catabolised to form glucose
(D)
None of these
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