A. 4
B. 5
C. 6
D. 7

(more…)

A. Blue
B. Green
C. Brown
D. Black

A. 3%

B. 5%

C. 21%

D. None of these

A) Hydrogen

B) Chlorine

C) Hydrogen and Helium

D) Neon

1. Vitamin A
2. Vitamin B
3. Vitamin C
4. Vitamin K

A. Jupiter
B. Earth
C. Mars
D. Venus

A. Over production
B. Natural selection
C. Inheritance for acquired characters
D. Competition for survival
E. None of these

A. Metre, litre and gramme
B. Centimetre, kilograms and metric
C. Kilogram, mass and energy
D. Kelvin, cd and mole

A. Seedless fruits
B. Parthenogenesis fruits
C. Parthenocarpic fruits
D. placental fruits
E. Organic fruits

virus was discovered by

A) w.stanely

B) Robert hook

C) Antony

D) Brown