Match the following.
1. Pouched mammals - A- Whale & Bear2. Placental mammals - B- Echidna and platypus3. Egg laying mammals - C- Tasmanian wolf and Kangaroo
1-C, 2-A, 3-B
1-C, 2- B, 2, 3- A
1- A, 2-B, 3 - C
1- B, 2- C, 3- A
Which is not a feature of amniocentesis
Help to find out genetical disorder of foetus
Help to find out sex of the feotus
Help to find out genetical congenital disorders like absence of limbs, heart etc
Helps to add changes in the foetus
When egg and sperm is fertilized in lab outside the body of the mother, such a fertilization is called.
External fertilisation
In vitro fertilisation
Ex situ fertilisation
In situ fertilisation
The hormone which maintains pregnancy
Estrogen
Progesterone
Testosterone
Prolactin
The fusion of male and female gamete produces the.
baby
foetus
embryo
zygote
Hormones reach necessary parts of the body through.
Tubes which carry hormone alone
Nerves which carry hormone alone
Blood which carry other substances also
Bones
What is true about voice in adoloscent boys and girls.
High pitched voice in girls and low pitched in boys
Low pitched voice in girls and high poitched in boys
Both boys and girls have same pitch in their voice
The pitch of the voice does not change during adolescence but changes with individuals
