NEET2025BotanySexual Reproduction in Flowering PlantsActual
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : A typical unfertilised, angiosperm embryo sac at maturity is 8 nucleate and 7-celled. Reason (R) : The egg apparatus has 2 polar nuclei. In the light of the above statements, choose the correct answer from the options given below :
Options
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is NOT the correct explanation of A
- CA is true but R is false
- DA is false but R is true
Correct answer
C. A is true but R is false
Step-by-step solution
A typical Angiosperm embryo sac, at maturity is 7 -celled and 8 nucleate. Polar nuclei are situated below the egg apparatus in the large central cell. Three cells are grouped together at micropylar end and constitute the egg apparatus. Hence, A is true but R is false.