Question

1. Acid present in curd *

1 point

Lactic acid

Formic acid

Citric

Acetic acid

2. Pick the odd one out - Turmeric , Phenophthalein , Litmus , China Rose *

1 point

Your answer

 

This is a required question

3. Pick the odd one out - Copper , Wood , Plastic , Rubber *

1 point

Your answer

4. Pick the odd one out - Gram , Peas , Moong , Wheat *

1 point

Your answer

5. Sun is the ultimate source of energy for all living organisms. *

1 point

Disagree

Agree

6. Villi _________ the surface area for absorption of food (decrease / increase) *

1 point

Your answer

7. Label (a) *

1 point



Your answer

 

This is a required question

8. Identify the organism shown above *

1 point

Your answer

9. Conditions necessary for rusting of iron *

1 point

Water

Oxygen

Both

None

10. Rearing of silkworms *

1 point

Your answer

11. First set of teeth in infants *

1 point

12. Nitrogen fixing bacteria present in leguminous plants *

1 point

Your answer

13. Normal human body temperature is _______°C *

1 point

Your answer

 

This is a required question

14. The kink in the clinical thermometer prevent falling of __________ level on it's own *

1 point

Your answer

 

This is a required question

16. Name the gas evolved : Vinegar + Baking Soda -----> _______ + Other Substances *

1 point

Your answer

15. Complete the reaction : HCl + NaOH -----> _______ + Water*

1 point

Your answer

17. Lime water turns _______ on passing carbon dioxide gas *

1 point

Your answer

18. Food is stored in ______ of grass eating animals *

1 point

Your answer

19. Source of Litmus solution *

1 point

Your answer

20. Light colored surfaces ________ heat *

1 point

Your answer

21. Acid present in stomach is ___________ which kills bacteria*

1 point

Your answer

22. Iron pipes coated with zinc do not get rusted easily *

1 point

True

False

23. Digestion of starch starts in the stomach *

1 point

True

False

24. Cuscuta is ________ plant *

1 point

Insectivorous

Parasitic

Saprotrophic

Symbiotic

25. An example of Insectivorous plant *

1 point

Lichen

Cuscuta

Pitcher plant

26. Green pigment present in leaves *

1 point

Chloroplast

Chlorophyll

Chloroform

Haemoglobin

27. Grass is Rich in _________ *

1 point

Starch

Carbohydrate

Minerals

Cellulose

28. Which of the following does not yield wool

1 point

Yak

Camel

Goat

Woolly Dog

29. Silkworm is : (a) caterpillar (b) larva *

1 point

(a)

(b)

Both (a) & (b)

None

30. Distilled water is _______ *

1 point

Acidic

Basic

Neutral

None

31. Burning of candle is an example of ________ *

1 point

Physical Change

Chemical Change

Both

None

32. The blue color of copper sulphate solution changes to __________ on adding an iron nail into it *

1 point

Red

Purple

Green

Brown

33. Tablet taken to treat acidity*

1 point

Antibiotic

Antacid

Antiseptic

34. Pick the odd one out - Cotton , Wool , Silk , Nylon *

1 point

Cotton

Wool

Silk

Nylon

35. Label the parts *

2 points



(a) - stomatal opening (b) - chloroplasts

(a) - chloroplasts (b) - guard cells

(a) - guard cells (b) - stomatal opening

(a) - guard cells (b) - chloroplasts

36. Label (a) *

1 point



Your answer

 

This is a required question

37. Label (b) *

1 point

Your answer

38. In which organ of digestive system villi are present *

1 point

Your answer

39. Which is the largest gland in the human body *

1 point



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Answer 1

sorry but I don't understand your question.....!!!!!!!!!

Answer 2

Answer:

1. Lactic acid

2.china rose

3.copper

4.wheat

5. agree

6. increases

9. both

17. 37 degree Celsius