MCQ
Abrin and ricin are.
  • A
    Lectins
  • Toxins
  • C
    Alkaloids
  • D
    Terpenoids

Answer

Correct option: B.
Toxins
b

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Permanent or mature cells are formed by
Math List-l with List-ll
List-IList-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.
Choose the correct answer from the options given below:
Funaria is attached to substratum by
Assertion $(A):$ A person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations.

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.

Assertion: Bulliform cells are useful in the unrolling of leaf.
Reason: Bulliform leaves store water
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.
Reason R: The pollen tube carrying the male gametes grows towards orchegonia in the ovules and discharge their contents near the mouth of archegonia.
Choose the correct answer from the options given below:
Protonema of Funaria is
Select the correct statements for Primrose
Richest energy compound in
$A -$ Calvin cycle starts with carboxylation of $RuBP.$

$R -$ Photorespiration starts with oxygenation of $RuBP.$