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Refer to the given set-up. Beakers X and Y contain equal amounts of water at different temperatures. The water in both the beakers was then poured into the trough. Which of the following is most likely to be the temperature of water in trough after an hour?


A80°C
B90°C
C130°C
D< 80°C

Refer to the given dichotomous key and answer the following questions.

Select the correct match of tissue and its location.

AP-Wall of Bowman's capsule S-Epidermal covering of legume seeds
BQ-Blubber of whale R-Covering of nuts
CR-Petiole of lotus U-Hump of camel
DQ-In subcutaneous tissue T-Stele or vascular cylinder of monocot root

Which of the following figures will complete the given figure matrix?


A
B
C
D

The instrument used to detect both the direction of flow of current and its magnitude in a circuit is

AAmmeter
BSpeedometer
CVoltmeter
DGalvanometer

Refer to the given flow chart and select the correct option regarding P, Q, R and S.



APlant P derives nutrition from the host plant with the help of haustoria and possesses hygroscopic roots which absorb moisture directly from atmosphere.
BPlant Q possesses broad thin leaves with superficial stomata.
CPlant R possesses special leaf modifications to catch and digest insects.
DPlant S possesses stilt roots which help in aeration.

Which of the following are not the examples of circular motion?
(i) Windmill
(ii) Movement of a spinning top
(iii) A train moving on a curved bridge
(iv) Rotation of Earth around the Sun
(v) A battalion moving in a parade

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

Select a figure from the options which will continue the series as established by the Problem Figures.


A
B
C
D

Read the passage carefully and answer the following questions.
A dancer is demonstrating dance steps along a straight line. The position-time graph of the dancer is given here.

The average velocity of the dancer during time interval between t = 2 s to t = 9 s is

A 1 m s^-1
B - 0.57 m s^-1
C 2.75 m s^-1
D - 0.29 m s^-1

According to international system of units, the standard units for time, mass and distance are

ASecond, centimetre, pound
BSecond, kilogram, metre
CCentimetre, kilogram, minute
DNone of these

In a circuit, direction of flow of current is from

ANegative to positive terminal of the cell.
BPositive to negative terminal of the cell.
CEither positive to negative or negative to positive terminal of the cell.
DNone of these