There are _____ kinds of joints present in a human body?
____________ is the outermost layer of skin.
A. endodermis
B. dermis
C. epidermis
D. hypodermis
Vitamin A can be found in the____________?
A. Green vegetables
B. white vegetables
C. Yellow vegetables
D. Red vegetables
The vitamin which is generally excreted by humans in urine is__________?
A. Vitamin A
B. Vitamin B
C. Vitamin B12
D. Vitamin C
Which Vitamin can be synthesized by Liver _______?
A. Vitamin B6
B. Vitamin B12
C. Vitamin K
D. Vitamin E
Where ozone layer lies from the earth surface?
A. 10 to 20 km
B. 20 to 30 km
C. 30 to 40 km
D. 40 to 50 km