Explanation:
Babies are made when special cells called sperm (produced by men) combine with cells called ova (produced by women) in a process called conception. Each of these cells is produced by a process called meiosis which makes cells containing half the information of the parent.
Answer:
Option (C).
Explanation:
MDMA (3,4-Methylenedioxymethamphetamine) acts as a psychoactive drug that are used for the individual recreation. The pleasure and the energy of the body get increased after intake of this drug.
The excess intake of this drug causes harmful effects on the individual body. This drug can cause teeth grinding, addiction and its overdose can cause heart attack and heart stroke. The death of an individual might occur in case of excessive dehydration.
Thus, the correct answer is option (C).
Answer:
Stage 3
Explanation:
Sensorimotor stage is the time period between birth to 2 years. Jean Piaget expanded the sensorimotor stage into 6 stages:
- Stage 1: Birth- 1 month: Exercise and organize reflexes like sucking, looking, grasping etc.
- Stage 2: 1-4 months: Adapt to the environment
- Stage 3: 4-8 months: Repeat interesting events involving other objects or people to make them last.
- Stage 4 : 8-12 months: Goal directed behavior and development of new motor skills
- Stage 5: 12-18 months: Try to inculcate new behavior
- Stage 6: 18-24 months: Develop ability to solve problems
