Answer: (c) A Constellation. A constellation is a group of stars forming a recognizable shape. A constellation is a group of stars that... View Article
Greenhouse provides favourable conditions for many fruits and vegetable crops like it always gives favourable temperature heat, light etc . for... View Article
During heavy exercise, the breathing rate of a person slows down. (False) Breathing rates may increase from a normal resting rate of 15 breaths... View Article
The green wealth of the locality is the responsibility of every resident. Green wealth refers to the forests, vegetation that we have in our... View Article
The location of the poles of the magnet can be determined by suspending it freely. A freely suspended bar magnet always points in a north-south... View Article
No, we will not see our reflection in a mirror in a dark room because an image is formed only when the light gets reflected by the mirror whereas... View Article
No, this change cannot be reversed. Though this is an irreversible change, but it did not cause any change in the composition of the toy. This... View Article
Yes, this change can be reversed by unfolding the dress. A change which can happen backward, that is, can be reversed is called a reversible... View Article
The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as pollination. Transfer... View Article
Given that, Distance of two stations = 240 km Time taken by the train = 4 hours The equation of speed is given as Speed = (Distance travelled) /... View Article
The egg is laid by a female moth, which is mostly the size of small dots. A female moth lays more than 350 eggs at a time. In the springtime,... View Article
When all the parallel rays reflected from a plane surface are not parallel, the reflection is known as diffused or irregular reflection.... View Article
When the iron is heated it gets softened. A blacksmith hammers on the hot iron, he applies force. This applied force changes the shape of iron.... View Article
Non-living things are plough, sewing machine, radio, and boat. On the other hand, mushrooms, water hyacinth, and earthworms are living things.... View Article
True. Water from rivers is the only source for irrigation in the fields. Water from rivers is the only source for irrigation in the fields. Rain... View Article
We can obtain a real, enlarged and inverted image by a concave mirror. (True) A concave mirror is a type of spherical mirror in which, the... View Article
A virtual image larger than the object can be produced by a concave mirror. Concave mirrors produce real and virtual, erect and inverted,... View Article
During heavy exercise, we get cramps in the legs due to the accumulation of (ii) lactic acid The cramps occur when muscle cells respire... View Article
False. Water shortage is not a problem faced only by people living in rural areas. Water storage problem is faced in both rural and urban areas.... View Article