Read the given statements (i to vii) describing the events that lead to the maturation of a plant.
(i) The root grows first.
(ii) The seedling obtains the food it needs from the cotyledons.
(iii) The part that comes out next is the shoot.
(iv) It grows downwards because of gravity.
(v) The seedling develops its leaves and starts making food.
(vi) More leaves will develop as the plant grows.
(vii) The seed leaves now no longer needed, wither, die and fall off.
Now, select the correct option from the codes given below to put the events in a correct order.
Study the given diagrams showing two aquariums. Vartika wants to find out if over crowding affects the animals living in an aquarium. In order to test the same, which of the following should she keep the same in both aquariums?
(a) Number of fish
(b) Amount of water
(c) Size of tanks
(d) Type of fish
A (a) and (b) only
B (c) and (d) only
C (b), (c) and (d) only
D (a), (b), (c) and (d)
Starting from the first letter strike out every alternate letter and select the option that gives the method of food preservation in which food item is mixed with excess of oil and salt.
AA F S R Q E Q E Q Z T I L N M G
BJ O P I T L U I V N S G O
CR P O I Z C N K M L Q I R N S G V
DT D O R A Y B I E N F G J
could you please send the unscrambled letter forms ?
There is a definite relationship between figures (i) and (ii). Establish a similar relationship between figures (iii) and (iv) by selecting a suitable figure from the options that would replace the question mark in figure (iii).
Which of the following statements are false for the root system shown in the given figure?
(i) It is a fibrous root system.
(ii) The branches that arise from the main root are called secondary roots.
(iii) It is a tap root system.
(iv) Examples of this type of root system are pea, wheat, banana and turnip.
A(i) and (ii) only
B(ii) and (iv) only
C(iii) and (iv) only
D(i) and (iv) only
this is tap root with parallel venation
Consider the following phenomena :
(i) Forest fire
(ii) Growth of plants
(iii) Low and high tides
(iv) Occurrence of a rainbow
(vi) Opening of a morning glory flower.
Which of the above phenomena can be classified as periodic changes?
A (i), (ii) and (iii)
B (i), (ii) and (v)
C (iv), (v) and (vi)
D (iii) and (vi)