MCQ
Abrin and ricin are.
- ALectins
- ✓Toxins
- CAlkaloids
- DTerpenoids
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| List-I | List-II |
| (A) Mutualism | (I) One species benefit and other is neutral |
| (B) Commensalism | (II) One species is harmed and other is unaffected |
| (C) Amensalism | (III) One species benefit and other is harmed. |
| (D) Calvin Cycle | (IV) Benefit on both the interacting species. |
Reason $(R):$ Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen.
In the light of the above statements, choose the correct answer from the options given below.
$R -$ Photorespiration starts with oxygenation of $RuBP.$