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| From: haroonaman | Reply 41 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 28 |
It is the elimination of droplets of water along the leaf margin, due to
excessive root pressure, in a plant.
Posted at: Sun Feb 14 04:40:35 2010 (GMT)
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| From: haroonaman | Reply 42 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 29 |
It is the diffusion of water molecules from the region of their lower
concentration to the region of their higher concentration across a semi -
permeable mambrane.
Posted at: Sun Feb 14 04:43:17 2010 (GMT)
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| From: haroonaman | Reply 43 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 30 |
It is the capacity to perceive depth or relative distance of objects.
Posted at: Sun Feb 14 04:43:56 2010 (GMT)
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| From: haroonaman | Reply 44 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 31 |
Mutation is defined as a sudden change in one or more genes or in the number
or in the structure of chromosomes.
Posted at: Sun Feb 14 04:45:44 2010 (GMT)
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| From: haroonaman | Reply 45 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 32 |
Incorrect term - Ureter . Correct term - Urethra
Posted at: Sun Feb 14 04:51:10 2010 (GMT)
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| From: haroonaman | Reply 46 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 33 |
Incorrect term - Epidermis . Correct term - Endodermis
Posted at: Sun Feb 14 04:52:31 2010 (GMT)
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| From: haroonaman | Reply 47 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 34 |
Incorrect term - 2 A T P . Correct term - 38 A T P
Posted at: Sun Feb 14 04:53:31 2010 (GMT)
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| From: haroonaman | Reply 48 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 35 |
Incorrect term - Auditory nerve . Correct term - Optic nerve.
Posted at: Sun Feb 14 04:54:16 2010 (GMT)
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| From: haroonaman | Reply 49 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 36 |
Incorrect term - Receptor . Correct term - Effector.
Posted at: Sun Feb 14 04:55:02 2010 (GMT)
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| From: haroonaman | Reply 50 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 37 |
Bio - fertilizer - Rhizobium.
Chemical fertilizer - Urea.
Posted at: Sun Feb 14 04:57:08 2010 (GMT)
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| From: haroonaman | Reply 51 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 38 |
Karyokineses - The nuclear changes during cell division.
Cytokinesis - The division of the cytoplasm.
Posted at: Sun Feb 14 04:59:30 2010 (GMT)
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| From: haroonaman | Reply 52 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 39 |
WHO - To supply information on the occurrence of epidemic diseases.
Red Cross - To extend all possible first-aid in any accident.
Posted at: Sun Feb 14 05:00:26 2010 (GMT)
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| From: haroonaman | Reply 53 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 40 |
Mitosis - 2 daughter cells.
Meiosis - 4 daughter cells.
Posted at: Sun Feb 14 05:01:39 2010 (GMT)
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| From: haroonaman | Reply 54 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 42 |
The part labelled as A are the ear ossicles and its main function is the
transmission of the vibrations.
Posted at: Sun Feb 14 05:07:32 2010 (GMT)
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| From: haroonaman | Reply 55 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 43 |
The part labelled 'B' is the eustachian canal and its main function is to
maintain the pressure in the middle ear.
Posted at: Sun Feb 14 05:09:33 2010 (GMT)
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| From: haroonaman | Reply 56 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 44 |
The part labelled 'C' is the auditory canal and its main function is to
transmit the impulse to the brain.
Posted at: Sun Feb 14 05:11:10 2010 (GMT)
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| From: haroonaman | Reply 57 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 45 |
The main function of ear wax is to prevent dust and dirt particles from
entering into the ear by trapping the dust in it.
Posted at: Sun Feb 14 05:12:54 2010 (GMT)
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| From: haroonaman | Reply 58 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 46 |
carbon doxide is considered an air pollutant as if its concentration in the
atmosphere becomes too much then CO2 acts as a pollutant as it causes
respiratory problems and raises the heat.
Posted at: Sun Feb 14 05:18:04 2010 (GMT)
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| From: haroonaman | Reply 59 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 48 |
Two reasons for the high birh rate in India is (i) Lack of education. (ii)
Urge to have a male child.
Posted at: Sun Feb 14 05:21:01 2010 (GMT)
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| From: haroonaman | Reply 60 of 193 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 49 |
Two effects of smog are : (i) Reduced visibility . (ii) Respiratory diseases
Posted at: Sun Feb 14 05:30:32 2010 (GMT)
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