question_answer1) Aerated drinks are an example of:
A) liquid-liquid mixtures done clear
B) solid-liquid mixtures done clear
C) liquid-gas mixtures done clear
D) none of these done clear
View Answer play_arrowquestion_answer2) Choose the odd one out from below with respect to reproduction.
A) Eggs of hen done clear
B) Seeds of plants done clear
C) Buds of potato done clear
D) Roots of mango tree done clear
View Answer play_arrowquestion_answer3) S.I. unit of length is:
A) centimeter done clear
B) millimeter done clear
C) meter done clear
D) kilometer done clear
View Answer play_arrowquestion_answer4) In an electric bulb, light is produced due to the glowing of
A) The glass case of the bulb done clear
B) The thin filament done clear
C) The thick wires supporting the filament done clear
D) Gases inside glass case of the bulb done clear
View Answer play_arrowquestion_answer5) What is not true about air?
A) It makes the windmill rotate. done clear
B) It helps in the movement of aeroplane. done clear
C) Birds can fly due to presence of air. done clear
D) It has no role in water cycle. done clear
View Answer play_arrowquestion_answer6) Given below are the names of some animals:
| (i) Goat |
| (ii) Human beings |
| (iii) Cockroach |
| (iv) Eagle |
A) (i) and (ii) done clear
B) (ii) and (iii) done clear
C) (iii) and (iv) done clear
D) (ii) and (iv) done clear
View Answer play_arrowquestion_answer7) Read the food items given below:
| (i) Wheat |
| (ii) Ghee |
| (iii) Iodized salt |
| (iv) Spinach (Palak) |
A) (i) and (iv) done clear
B) (ii) and (iv) done clear
C) (i) and (ii) done clear
D) (iii) and (iv) done clear
View Answer play_arrowA) Jute done clear
B) Cotton done clear
C) Coconut done clear
D) Wool done clear
View Answer play_arrowquestion_answer9) Find the odd one out from the following:
A) Tawa done clear
B) Spade done clear
C) Pressure cooker done clear
D) Eraser done clear
View Answer play_arrowA) Evaporation of water from the glass done clear
B) Water that seeped out from the glass done clear
C) Evaporation of atmospheric water vapour done clear
D) Condensation of atmospheric water vapour. done clear
View Answer play_arrow| Answer the following questions in one word or in a sentence only. |
| (i) What are transparent materials? |
| Answer the following questions in one word or in a sentence only. |
| (ii) How does an electric bulb glow? |
| Answer the following questions in one word or in a sentence only. |
| (iii) In which direction, a freely suspended magnet aligns itself? |
| Answer the following questions in one word or in a sentence only. |
| (iv) To clean their spectacles, people often breathe out on glasses to make wet. Explain why the glasses become wet? |
| Answer the following questions in one word or in a sentence only. |
| (v) For which process does a plant require carbon dioxide? |
| Answer the following questions in one word or in a sentence only. |
| (vi) Which kind of garbage is not converted into compost by the red worms? |
question_answer18) What features made crocodiles so adaptable to live on earth for the longest time?
View Answer play_arrowquestion_answer20) What are the properties that are exhibited by light?
View Answer play_arrowquestion_answer22) Name any two magnetic and two non-magnetic materials.
View Answer play_arrowquestion_answer23) How is marine life dependent on oceans?
View Answer play_arrowquestion_answer24) Name five plants and their parts that we eat.
View Answer play_arrow| (i) Name two items that are made from coconut fiber. |
| (ii) Explain the process of making yarn from fiber. |
| Pick five object from the word box given in Fig. which are opaque and would sink in water. |
 |
question_answer28) How will you separate sand and water from their mixture?
View Answer play_arrow| Provide one word answers to the statements given below: |
| (i) Joint which allows movement in all directions. |
| (ii) Hard structure that forms the skeleton. |
| (iii) Part of the body with a fixed joint. |
| Column I | Column II | ||
| (a) | A moving wheel of a sewing machine. | (i) | Circular motion |
| (b) | Movement of tip of the minute hand of a clock in one hour. | (ii) | Rotational motion |
| (c) | A moving swing. | (iii) | Periodic motion |
question_answer33) Show an experiment which proves that light always travels in a straight line.
View Answer play_arrowquestion_answer35) How are clouds formed?
View Answer play_arrowquestion_answer36) How will you prove that air supports burning?
View Answer play_arrowquestion_answer37) Discuss "It is possible to reduce the problems related to disposal of garbage".
View Answer play_arrow
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