Which one of the following takes place when water transforms from liquid to gaseous phase?
Distance between the particles change
The color of the particles change
Size of the particles change
Structure of the particles change
A.
Distance between the particles change
When water transforms from liquid to gaseous phase, the distance between the particles changed because particles of a liquid are slightly closed to each other which cannot move freely. When the liquid is heated and converted into gaseous phase its particles are far apart from each other and move freely.
Reema tells her friend that Ladyfinger is a fruit. Her friend Shahana disagrees with her. Which one of the following statements is true?
Ladyfinger has seeds, thus it is a fruit
Ladyfinger has seeds, thus it is a vegetable
Ladyfinger is a vegetable, hence it cannot be a fruit
Ladyfinger is eaten in cooked form, hence it is a vegetable
Select the correct statement from among the following.
Plants with green leaves only carry out photosynthesis
Photosynthesis takes place only in leaves
Irrespective of colour, all leaves carry out photosynthesis
Plants can carry out photosynthesis even without chlorophyll
Which one of the following represents a group of human diseases caused by viruses?
Measles, Polio, Typhoid
Measles, Typhoid, Tuberculosis
Measles, Chickenpox, Hepatitis-A
Chickenpox, Malaria, Hepatitis-A
Human Nutrition includes the nutrient requirement, mode of intake of food, and its utilization in the body occurring in various steps which are
Arrange these steps in sequence as they occur inside the body
5, 4, 3, 1, 2
4, 1, 2, 3, 5
1,2,3,4,5
4,5,1,3,2
Which hormone in our body helps us to adjust to stress when we are angry, embarrassed, or worried?
Insulin
Estrogen
Thyroxine
Adrenaline
Match the following
Column A
Column B
The correct matching is
A - 1
B - 2
C - 3
D - 4
A - 1
B - 4
C - 3
D - 2
A - 4
B - 3
C - 1
D - 2
A - 4
B - 1
C - 2
D - 3
Match the following
Column I
Column B
The given choices are
A - 1
B - 4
C - 3
D - 2
A - 3
B - 2
C - 4
D - 1
A - 4
B - 3
C - 1
D - 2
A - 2
B - 1
C - 4
D - 3
Which one of the following represents a group of autotrophs?
Spinach, Mushroom, Tomato, Yeast
Tulsi, Algae, Cuscuta (Dodder), Mushroom
Algae, Spinach, Tomato, Banana
Algae, Cuscuta (Dodder), Banana, Mango