User Forum

The food prepared by the leaves is used by the plants for their daily activities. The excess food gets stored as starch in ______.

ARoots
BStems
CFruits
DAll of these

Select the incorrect match.

A Fermentation – Occurs in absence of oxygen and yields very little energy
B Internal respiration – Exchange of gases between blood and body cells
C Exhalation – Decrease in air pressure inside the lungs causes air to move out from the lungs
D Stomata – Present on the surface of leaves and young stems.

From the given v – t graph, it can be inferred that the object is


A In uniform motion
B At rest
C In non-uniform motion
D Moving with uniform acceleration.

A man is going on a picnic with his two children and a woman. The woman is his sister. The woman is children’s _________.

A Mother
B Grandmother
C Aunt
D Cousin

Study the classification carefully and choose the correct answer from the table.

Unscramble the letters to find the name of the organ system shown in the given figure.


A YROTERCXE METSYS
B YROTALUCRIC METSYS
C YROTARIPSER METSYS
D LATELEKS METSYS

Select the odd one out.

A Jupiter
B Saturn
C Uranus
D Neptune

Consider the following figures (I) and (II) and identify the incorrect statement.


A Figure I represents a change in which the components of the mixture can be easily separated by magnetic separation.
B Figure II represents a change which is irreversible.
D Figure I represents a change in which no new substance is formed.
D Figure II represents a change in which a substance is formed which has the properties of both iron and sulphur.

S₁ : Clinical thermometer cannot be used to measure the temperature of melting ice.
S₂ : The range of clinical thermometer is from 35°C to 43°C.

A Both statements S₁ and S₂ are correct.
B Statement S₁ is correct and S₂ is incorrect.
C Both statements S₁ and S₂ are incorrect.
D Statement S₁ is incorrect and S₂ is correct.

In the following experimental set-up as shown in figure, equal volumes of boiling water were poured into the containers P and Q. The temperatures of both containers and contents were the same. After an hour the temperature of container P was found to be lower than that of container Q. This shows that P is a better ___________.


A Conductor and radiator
B Radiator only
C Absorber only
D Conductor only