(i) Girls grow taller than boys.
(ii) Girls and boys have different set of hormones which control their growth.
(iii) Girls grow faster than boys.
(iv) Height of girls and boys depends on the genes inherited from their parents.
(A) (i) & (iii)
(B) (ii) & (iii)
(C) (iv) only
(D) (i), (iii) & (iv)
Which of the following is correct?
AJaundice is not a communicable disease
BLeprosy is a non-contagious disease of skin
CCholera spread through the contaminated air
DTetanus can be occurred due to entry of germs through cut skin
Study the given flowchart and identify the processes P, Q, R and S involved in the separation of the mixture.
P Q R S
A Sublimation Magnetic separation Filtration Evaporation
BMagnetic Filtration separation Sublimation Evaporation
CEvaporation Magnetic separation Filtration Sublimation
DSublimation Magnetic separation Evaporation Filtration
In the given diagrams, compasses are used to plot the magnetic field around a bar magnet with poles marked N(North) and S(South). Which of the following diagrams correctly shows the expected field pattern?
Read the following statements and select the correct ones.
1. The process of making yarn from fibres is called as spinning.
2. Ginning is the process by which harvested cotton is dried and fiber are seprated from their seeds.
3. Jute is a biodegradable fibre and replenishes earth's nutrients.
4. Jute fibres are composed primarily of cellulose only.
A Only 1 and 2 are correct.
B Only 1,2 and 3 are correct.
C 1,2,3 and 4 are correct.
D None of these are correct