Question 1. Fill in the blanks: (a) Cleaning of water is a process of removing ____________. (b) Wastewater released by houses is called ____________. (c) Dried ____________ is used as manure. (d) Drains get blocked by ____________ and ____________. Solution 1. (a) Cleaning of water is a process of removing pollutants. (b) Wastewater released by houses …
Question 1. Explain how animals dwelling in the forest help it grow and regenerate. Solution 1. Animals dwelling in the forest help it grow and regenerate in the following ways Animals help in dispersal of seeds. Decaying dung of animals provides nutrients for plants to grow Microorganisms prepare humus from dead plants and animals. Question …
Question 1. Mark ‘T’ if the statement is true and ‘F’ if it is false: (a) The freshwater stored in the ground is much more than that present in the rivers and lakes of the world. (T/F) (b) Water shortage is a problem faced only by people living in rural areas. (T/F) (c) Water from …
Exercise Questions Question 1. Fill in the blanks: (a) Production of new individuals from the vegetative part of parent is called_____________. (b) A flower may have either male or female reproductive parts. Such a flower is called_____________. (c) The transfer of pollen grains from the anther to the stigma of the same or of another …
Exercise Questions Question 1. Match structures given in Column I with functions given in Column II. Column- I Column-II (i) Stomata (a) Absorption of water (ii) Xylem (b) Transpiration (iii) Root hairs (c) Transport of food (iv) Phloem (d) Transport of water (e) Synthesis of carbohydrates Solution 1. Column- I Column-II (i) Stomata (b) Transpiration …
CLASS 7 Chapter 11 Transportation in Animals and Plants Read More »
Question 1. Why does an athlete breathe faster and deeper than usual after finishing the race? Solution 1. They breathe faster and deeper than usual after finishing the race because they need a lot of oxygen to release the energy they need during race. Question 2. List the similarities and differences between aerobic and anaerobic …
Tick the most suitable answer in questions 1 and 2. Question1. In addition to the rock particles, the soil contains (i) air and water (ii) water and plants (iii) minerals, organic matter, air and water (iv) water, air and plants Solution 1. (iii) minerals, organic matter, air and water. Question 2. The water holding capacity …
Question 1. Name the elements that determine the weather of a place. Solution 1. The elements that determine the weather of a place are temperature, humidity, rainfall, wind speed, etc. Question 2. When are the maximum and minimum temperatures likely to occur during the day? Solution 2. The maximum temperature is likely to happen during …
CLASS 7 Chapter 7 Weather, Climate and Adaptations of Animals to Climate Read More »
Question1 State the difference between acids and bases Solution1 Acids Bases · Acidic in nature · Basic in nature · Sour to taste · Bitter to taste · Acids turns blue litmus paper into red. · Base turns red litmus paper into blue. · Acid contains hydrogen ion · Base contains hydroxyl ion. Question …
Question: 1 You must be familiar with the following nursery rhymes: (i) ‘Baa baa black sheep, have you any wool.’ (ii) ‘Mary had a little lamb, whose fleece was white as snow.’ Answer the following: (a) Which parts of the black sheep have wool? (b) What is meant by the white fleece of the lamb? …
