Asked/Added Questions From NCERT:


Question 1. Asked on :23 April 2019:09:51:51 AM

 Give to examples of plants that belongs it group angiosperm?

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Answer:

Sohail alam

 some examples of angiosperms are as follows: Apple (Malus pumila) Brinjal (Solanum melongena) Guava (Psidium guajava) Jackfruit (Artocarpus heterophyllus) Litchi (Litchi chinensis) Mango (Mangifera indica) Papaya (Carica papaya) Pea (Pisum sativum)

-Answered by Sohail alam On 24 April 2019:08:08:20 AM


Question 2. Asked on :23 April 2019:09:49:28 AM

 Hoe male cone of pinus is different from female cone of pinus?

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Answer:

Sohail alam

 Female pine cones hold the seeds whereas male pine cones contain the pollen. Most conifers, or cone-bearing trees, have female and male pine cones on the same tree. A female pine cone, also called a megasporangiate strobilus, consists of cone or seed scales that hold two ovules, the unfertilized seeds.

-Answered by Sohail alam On 24 April 2019:08:11:06 AM


Question 3. Asked on :23 April 2019:09:48:26 AM

 What are cones in pinus?

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Answer:

Sohail alam

 A cone (in formal botanical usage: strobilus, plural strobili) is an organ on plants in the division Pinophyta (conifers) that contains the reproductive structures. The familiar woody cone is the female cone, which produces seeds.

-Answered by Sohail alam On 24 April 2019:08:18:29 AM


Question 4. Asked on :23 April 2019:09:46:44 AM

 Give an example of plant that belongs to group Bryophyta?

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Answer:

rocki kumar

 The king was told that in order to decide the right time for doing something, it was necessary to look into the future. Since only magicians could do so, he wasadvised to go to magicians

-Answered by rocki kumar On 05 May 2019:08:45:31 AM


Question 5. Asked on :23 April 2019:09:40:51 AM

 What is the biological name of mushroom ?

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Answer:

Sohail alam

 Basidiomycota, The biological name of mushroom

-Answered by Sohail alam On 24 April 2019:08:12:29 AM


Question 6. Asked on :23 April 2019:09:38:37 AM

 What is common name for Funaria and Dryopteris?

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Answer:

rocki kumar

 - What is common name for Funaria and Dryopteris? Science ORGANISATION IN THE LIVING ... Mathematics (100) · General Knowledge (387).


-Answered by rocki kumar On 08 May 2019:08:10:58 AM


Question 7. Asked on :23 April 2019:09:36:45 AM

 Alga belongs to which group ?

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Answer:

Sonu kumar

 Algae, singular alga, members of a group of predominantly aquatic photosyntheticorganisms of the kingdom Protista. Algae have many types of life cycles, and they range in size from microscopic Micromonas species to giant kelps that reach 60 metres (200 feet) in length

-Answered by Sonu kumar On 02 May 2019:10:11:33 AM


Question 8. Asked on :22 April 2019:09:48:36 AM

 What is meaning of term ''displaced liquid''.

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Answer:

priyanshu kumar

 We can then know the volume of the object: it is equal to the volume of fluid displaced.

-Answered by priyanshu kumar On 06 May 2019:10:03:51 AM


Question 9. Asked on :22 April 2019:09:46:54 AM

 What is relative density?

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Answer:

rocki kumar

 Is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material. Specific gravity usually means relative density with respect to water. ... If the reference material is water then a substance with a relative density (or specific gravity ...

-Answered by rocki kumar On 07 May 2019:08:21:19 AM


Question 10. Asked on :22 April 2019:09:43:52 AM

 Why study of density is important for a science student?

-Added by Nitish kumar Mathematics » ORGANISATION IN THE LIVING WORLD

Answer:

rocki kumar

 Density is important because it affects whether objects will float or sink. It is animportant property to consider when building things like ships and hot air balloons. ... He realized that the amount of water that spilled was equal in volume to the space that his body occupied.

-Answered by rocki kumar On 08 May 2019:08:23:43 AM


Question 11. Asked on :22 April 2019:09:42:48 AM

 What is hypertonic solution?

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Question 12. Asked on :22 April 2019:09:42:07 AM

 What is isotonic solution?

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Answer:

Rohit Rajput

 An isotonic solution refers to two solutions having the same osmotic pressure across a semipermeable membrane. This state allows for the free movement of water across the membrane without changing the concentration of solutes on either side

-Answered by Rohit Rajput On 08 May 2019:08:33:35 AM


Question 13. Asked on :22 April 2019:09:40:14 AM

What is endosmosis? 

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Answer:

Rohit Rajput

 The main difference between endosmosis and exosmosis is that endosmosis is the movement of water into the cell whereas exosmosis is the movement of water out of the cell. Endosmosis occurs when cells are placed in hypotonic solutions. ... Exosmosis occurs when cells are placed in hypertonic solutions.

-Answered by Rohit Rajput On 08 May 2019:08:34:40 AM


Question 14. Asked on :22 April 2019:09:38:05 AM

 What happens to the raisins when they are kept in warm water for few hours?

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Answer:

rocki kumar

When raisins are kept in water for a few hours, the raisins will swell up or theywill expand in size. This happens due to osmosis, which is the movement of molecules from a region of its higher to its lower concentration through a semi or selectively permeable membrane. ... When raisins are soaked in waterthey swell. 

-Answered by rocki kumar On 08 May 2019:08:28:45 AM


Question 15. Asked on :22 April 2019:09:36:24 AM

 Do rate of endosmosis increase when kept at low temperature? why?

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Question 16. Asked on :22 April 2019:09:33:53 AM

 What happens if a plant cell is placed in a high concentrated solution of sugar?

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Question 17. Asked on :22 April 2019:09:32:07 AM

 Give an example of a substance where the material imbibes water?

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Question 18. Asked on :22 April 2019:09:30:58 AM

 What is imbibition?

-Added by priyanshu kumar Science » ORGANISATION IN THE LIVING WORLD


Question 19. Asked on :22 April 2019:09:31:13 AM

 What is hypotonic solution?

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Question 20. Asked on :22 April 2019:09:29:56 AM

What is imbibition pressure?

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Question 21. Asked on :22 April 2019:09:27:07 AM

 Do raisins sweli up when kept in water? if yes, why?

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Question 22. Asked on :22 April 2019:09:25:34 AM

 What are the features of striated muscle fibre? Where do we find these in our body?

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Question 23. Asked on :22 April 2019:09:21:41 AM

Mention the function of skeletal muscles in or body.

-Added by priyanshu kumar Science » ORGANISATION IN THE LIVING WORLD


Question 24. Asked on :22 April 2019:09:23:37 AM

 You can bite fruits like guava, grapes,banana etc, but not a piece of wood. why?

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Question 25. Asked on :22 April 2019:09:22:11 AM

 Mention the main function of sclerenchyma tissue?

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Answer:

Himanshi Verma

 It gives strength to the plants.

-Answered by Himanshi Verma On 14 May 2019:11:20:29 AM


Question 26. Asked on :22 April 2019:09:20:18 AM

 Which tissue, when matured, has dead cells?

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Question 27. Asked on :22 April 2019:09:13:55 AM

  In the transverse section of stem, which tissue occupies larger space-Parenchyma or Sclerenchyma?

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Question 28. Asked on :22 April 2019:09:13:16 AM

 What are myelinated nerves?

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Question 29. Asked on :22 April 2019:09:12:13 AM

 Which cells are found in the stiff parts of the plant?

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Question 30. Asked on :22 April 2019:09:11:09 AM

 Which tissue helps in movement and locomotion of body?

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD

Answer:

priyanshu kumar
Muscular tissue.

-Answered by priyanshu kumar On 22 April 2019:09:12:41 AM


Question 31. Asked on :22 April 2019:09:10:12 AM

 Name the membrane that covers the muscle fibre?

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD

Answer:

priyanshu kumar

 Sarcoiemma

-Answered by priyanshu kumar On 22 April 2019:09:11:24 AM


Question 32. Asked on :22 April 2019:09:08:40 AM

 Which cell provides mechanical strength to the plant body?

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Question 33. Asked on :22 April 2019:09:07:45 AM

 What is the main function of nervous tissue?

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Question 34. Asked on :22 April 2019:09:06:29 AM

 Name a multinucleated muscle fibre.

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Answer:

priyanshu kumar

 Striated muscle

-Answered by priyanshu kumar On 22 April 2019:09:08:39 AM


Question 35. Asked on :22 April 2019:09:05:07 AM

 Name the tissue found in brain, spinal cord and nerves?

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Question 36. Asked on :22 April 2019:08:57:34 AM

Which chemical substance gets deposited over sclerenchymatous cells to make their cell wall thickened?

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD

Answer:

priyanshu kumar

 Lignin.

-Answered by priyanshu kumar On 22 April 2019:09:07:59 AM


Question 37. Asked on :22 April 2019:08:56:03 AM

How many dendrites and axons are found in a nerve cell?

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Question 38. Asked on :22 April 2019:08:54:05 AM

Name three major parts of a nerve cell? 

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Answer:

priyanshu kumar

 Cell body axon and dendrite.

-Answered by priyanshu kumar On 22 April 2019:09:04:42 AM


Question 39. Asked on :22 April 2019:08:50:11 AM

 Name the plant tissue which is dead at maturity-parenchyma or Sclerenchyma?

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD

Answer:

priyanshu kumar

  Sclerenchyma

-Answered by priyanshu kumar On 22 April 2019:08:54:37 AM


Question 40. Asked on :22 April 2019:08:47:16 AM

 How parenchyma cells are different from sclerenchyma cells?

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Question 41. Asked on :22 April 2019:08:42:00 AM

what is the shape of parenchyma cells.

-Added by priyanshu kumar Science » ORGANISATION IN THE LIVING WORLD


Question 42. Asked on :22 April 2019:08:45:41 AM

 Name the longest cell present in the human body?

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD

Answer:

priyanshu kumar

 Nerve cell.

-Answered by priyanshu kumar On 22 April 2019:08:53:05 AM


Question 43. Asked on :22 April 2019:08:43:47 AM

 What is a tissue?

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD

Answer:

priyanshu kumar

 Tissue is a group of cells of similar structure and function.

-Answered by priyanshu kumar On 22 April 2019:08:48:56 AM


Question 44. Asked on :22 April 2019:08:40:29 AM

 What do we use glycerine for mounting?

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Question 45. Asked on :22 April 2019:08:39:12 AM

 Name the stain used for staining onion peel cells?

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Question 46. Asked on :22 April 2019:08:37:56 AM

 What is the shape of cheek cells?

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD

Answer:

priyanshu kumar

 They are irregular in shape.

-Answered by priyanshu kumar On 22 April 2019:08:39:24 AM


Question 47. Asked on :22 April 2019:08:36:06 AM

 How dose the onion peel appear before staining?

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD


Question 48. Asked on :22 April 2019:08:33:17 AM

What is the general shape of the onion cell? 

-Added by Nitish kumar Science » ORGANISATION IN THE LIVING WORLD


 

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