User Forum

Refer to the given experiment. Cockroach 1 died before cockroach 2. What was the most likely reason?


A It did not get air.
B It did not have food.
C It did not have water.
D It did not have both food and water.

Misha placed the same metal bar at different positions, X, Y and Z one by one, as shown here. Which of the following options shows the most appropriate length of metal bar shadow when placed at positions Y and Z, respectively if length of metal bar shadow is 20 cm when metal bar is placed at position X ?


A
B
C
D

Study the items listed in the given table. Which of the following options correctly identifies X and Y?


A
B
C
D

Refer to the given figure of aquatic plants and select the correct statement.
(i) In Y stomata are present only on the lower surface of the leaves.
(ii) Wolffia and Pistia are other examples of X type of plant.
(iii) The leaves of Z plant do not have stomata.
(iv) Roots of X plant fix them to the bottom of the pond.


A(i) and (iv) only
B(ii) and (iii) only
C(i) and (iii) only
D(i), (ii) and (iii) only

Four metal buttons P, Q, R and S, were attached to the metal ring with same amount of wax as shown in the figure. When a lighted candle was placed below the rim of the metal ring, the metal buttons dropped down in the order, R, Q, P and S. At which position out of W, X, Y or Z, was the lighted candle placed?


AW
BX
CY
DZ

Refer to the given picture. Which road sign is the child ignoring while crossing the closed gate?


A
B
C
D

The food items shown in the figure are rich in nutrientX.Read the given statements regarding the nutrientX.

        
(i)   When we grow, our body needs X to make new cells.
(ii)   Intake of X gives energy immediately.
(iii)  Growing children and sick people require less amount of X in their diet.
(iv)  X gets stored in our body and keep us warm.
Which of the above statements are incorrect?

A(i) and (iv)
B(iii) and (iv) only
C(i) and (iii)
D(ii) , (iii) and (iv)

Which of the following bar graphs correctly represents the intensity of brightness of indicator bulb?



A

B

C

D

Which of the following dissolves fastest and slowest?

(1)

(2)

(3)

(4)

A(4) and (1)
B(2) and (1)
C(4) and (2)
D(3) and (4)