List of top Plant Sciences Questions on General Biology

Fertilization is an important event in angiosperm, which involves several critical activities. Below are a few major steps of fertilization in plants. Arrange them from the beginning to the last, systematically. 
• [(A).] Pollen germination. 
• [(B).] Anthesis followed by pollination. 
• [(C).] Fertilization. 
• [(D).] Penetration of the ovule. 
Choose the correct answer from the options given below: 
 

Given below are two statements:
Statement (I): Double fertilization involves the fusion of two sperm cells with two egg cells.
Statement (II): In double fertilization, one sperm cell fuses with the egg cell, while the other sperm cell fuses with the two polar nuclei.
In light of the above statements, choose the most appropriate answer from the options given below.
Which one of the following statements about the mode of reproduction is NOT correct?
Seed and fruit development in plants takes place step-by-step. Arrange the following steps in sequential order of development starting from the earliest to the latest one -
(A) Fertilized ovule develops into the seed
(B) Pollen lands on the stigma and grows a pollen tube down through the style to the ovary
(C) The ovary develops into fruit
(D) The nucleus of the pollen grain travels down the pollen tube and fertilizes the nucleus in the ovule
The interaction in which one organism is benefitted and the other is neither benefited nor harmed is known as