Grass is to be laid in a rectangular plot 15 m long and 13 m wide leaving two triangular sections at opposite edges for two flower beds. If the flower beds are to be equal right-angle isosceles triangles with equal sides measuring 1.5 m each, find out how much would it cost to lay grass at Rs 8 per sq. m ?
(A) Rs 1542
(B) Rs 1462
(C) Rs 1264
(D) Rs 1642
Which one of the following statements is false?
(A) The electric current leaving the positive terminal of a battery is the same as the current returning to the negative terminal.
(B) A battery supplies the same current to any object to which it is connected.
(C) A conductor in which an electric current is flowing has an electric field in its interior.
(D) The electric current flows in a direction opposite to the motion of the electrons.
The given figure shows a pole fixed in the centre of a garden. Four students observed the shadow formed by the pole for different time intervals and then plotted the graph of height of shadow (in cm) vs their observation time, as shown here.
Which of the following graphs show(s) correct observations?
CII and IV only
DI, II and III only
The tail of a the comet points away from the sun due to
(A) Centrifugal force
(B) Electrical repulsion
(C) Attraction of comet due to other planets
(D) Radiation pressure.
The microorganism in the given figure is
(A) Phase in the life cycle of bacteria
(B) Bacteria that eats other bacteria
(C) Virus that uses bacteria as a host
(D) None of the above.
Swati left two similar pots, X and Y, having green plants near her window for a week which she used to water regularly. Based on the given diagrams, which of the following statements could be true?
1. The plant in X grows faster than the plants in Y.
2. The plants in Y compete for nutrients and space.
3. The plant in X gets insufficient sunlight and air.
A1 and 2 only
B1 and 3 only
C1 and 3 only
D1 and 3 only
Latika cut away the outer ring of the stem of a plant as shown. The cross-section of the stem, W - X, is also shown. What would possibly be Latika's observation after a week?
(A) Branch P would die.
(B) Branch Q would die.
(C) Both branches P and Q would die.
(D) Both branches P and Q would survive.
The given Venn diagram represents some plants (P, Q, R and S) based on their edible parts. Select the option which most correctly defines their position in the chart.
(A) P-Mustard, R-Fenugreek
(B) P-Rice, Q-Apple
(C) S-Fenugreek, Q-Tomato
(D) P-Spinach, S-Coriander