Class 12 Biology Solutions
Q1. Fill in the blanks: (a) Humans reproduce _____ (asexually/sexually) (b) Humans are _____ (oviparous, viviparous, ovoviviparous) (c) Fertilisation is _____ in humans (external/internal) (d) Male and female gametes are _____ (diploid/haploid) (e) Zygote is _____ (diploid/haploid) (f) The process of release of ovum from a mature follicle is called _____ (g)
Class 12 Biology Solutions
Q1. Name the parts of an angiosperm flower in which development of male and female gametophyte take place. The development of male and female gametophytes in an angiosperm flower takes place in the following parts: * Male gametophyte: The stamen, specifically inside the microsporangium of the anther. * Female gametophyte: The pistil,
Class 12 Biology Solutions
Q1. Why is reproduction essential for organisms? Reproduction is essential for organisms as it enables the continuity of the species, generation after generation. Without reproduction, species cannot survive for long because individual organisms eventually die. Through reproduction, organisms give rise to offspring that grow, mature, and produce new offspring, ensuring