Define the following:
(i) Parturition
(ii) Ovulation
(iii) Spermatogenesis
(iv) Gestation
(v) Implantation

Q. Given below are five groups of terms. In each group arrange and rewrite the terms in the correct order so as to be in a logical sequence.
For example : Implantation, Parturition, Ovulation, Gestation, Fertilization.
Answer : Ovulation, Fertilization, Implantation, Gestation, Parturition.
(i) Spongy cells, Upper epidermis, Stoma, Palisade tissue, Substomatal space.
(ii) Spinal cord, Motor neuron, Receptor, Effector, Sensory neuron.
(iii) Endodermis, Cortex, Soil water, Xylem, Root hair.
(iv) Metaphase, Telophase, Prophase, Anaphase, Cytokinesis.
(v) Intestine, Liver, Intestinal artery, Hepatic Vein, Hepatic Portal Vein.

Q. Implantation, Parturition, Ovulation, Gestation, Fertilisation (Stages leading to formation of foetus and birth)

Q. Uterus, Parturition, Fertilisation, Gestation, Implantation.

Q. How do the pills work?
(i) Inhibit ovulation and implantation
(ii) Alter the quality of cervical mucus to prevent or retard the entry of sperms
(iii) Prevent the ejaculated semen from entering the female vagina
(iv) Inhibit spermatogenesis

Q. Give one significant difference between each of the following:
(i) Implantation and Parturition.
(ii) Active absorption and Passive absorption.
(iii) Simple fruit and Aggregate fruit.
(iv) Auricles and Ventricles