In the eye donation, which part of the eye is transplanted from the donor?
Important Questions on Biology
A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion?
Match List I with List II and select the correct answer using the codes given below the lists.
| List I (Substance) |
List II (Physiological role) |
|
A. Ptyalin B. Pepsin C. Renin D. Oxytocin |
1. Converts angiotensinogen in blood into angiotensin 2. Digests starch 3. Digests proteins 4. Hydrolyses fats 5. Induces contraction of smooth muscles |
Codes:
A B C D
Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation to generation?
Which of the following cell organelles play the most significant role in protein synthesis?
Assertion (A): Scientists can cut apart and paste together DNA molecules at will, regardless of lie source of the molecules.
Reason (R): DNA fragments can be manipulated using restriction endonucleases and DNA ligases.
Codes:
A B C D
