Which of the following adaptations are shown by given plant?
(i) Hollow stems and poorly developed roots.
(ii) Branches are cone-shaped and slanting.
(iii) Large and flat floating leaves with waxy upper surface.
(iv) Stem performs photosynthesis.
(v) Succulent and swollen stems to store water.
A(i) , (iv) and (v)
B(i) and (iii)
C(ii) , (iii) and (v)
D(i) , (iii) , (iv) and (v)
Four students were given small pieces of materials P, Q, R and S respectively. They observed the reactions of these materials as follows :
According to them, materials P, Q, R and S respectively are
AFe, Cu, Na, P
BNa, Fe, P, Cu
CP, Fe, Na, Cu
DCu, P, Na, Fe
Refer to the given Venn diagram and select the correct option regarding it.
AX may have long and pointed beak whereas Y may have broad and short beak.
BY is a herbivorous bird whereas Z is an omnivorous bird.
CZ collects pebbles and stones to make a nest on the ground.
DY uses its beak like a needle to sew leaves together to build nest.
Which of the following statements is incorrect?
ASoil is made up of gravel, sand, humus, water and clay particles.
BTopsoil is rich in organic matter.
CRoots of big trees grow down into subsoil.
DBedrock contains lot of water and humus.
Priya is married to Vishal. Vishal is ____________ of Priya.
how ans is brother the ans. is husband