Question

1. Which of these changes are caused due to adrenaline?
a. Increase in heart rate
b. Increase in overall blood sugar level
c. Increase in body's energy level d. All of these
2. Which of these hormones stimulates growth and development of the body?
a, TSH
b, GH
c. Insulin
d. Thyroxine
3. Which of these are secondary sexual characteristics in adolescent girls?
a. Enlargement of breasts
b. Increase in height and weight
c. Body hair
d. All of these
4. How many days is the usual menstrual period in a girl?
a. 28 days b. 4 to 6 days C. 10 to 15 days
d. None of these​

Answer 1

Answer:

1. all of these

2.GH(Growth hormone)

3.All of these

4.None of these( 21 to 35 days and last 2 to 7 days.