Which of the following does not lose their nucleus at maturity?
(a) Companion cells
(b) Red blood cells
(c) Vessel
(d) Sieve tube cells
1 Answers
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A man with blood group A marries a woman with blood group O and their daughter has blood group O.
No. This information is not sufficient to determine which of the traits − blood group A or O − is dominant. This is because we do not know about the...
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why do children lose their milk teeth? explain in detail.
Haa....Haaa...I lose my milk teeth at age of 15{@Just for fun}
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Which cell does not have perforated cell wall? (a) Tracheids (b) Companion cells (c) Sieve tubes (d) Vessels
(b) Companion cells
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The dead element present in the phloem is (a) companion cells (b) phloem fibres (c) phloem parenchyma (d) sieve tubes
(b) phloem fibres
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The water conducting tissue generally present in gymnosperm is (a) vessels (b) sieve tube (c) tracheids (d) xylem fibres
(c) tracheids
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In monohybrid cross of red and white flower, Mendel got only red flower. On setting the F1 plants having red flower
On crossing red and white flower only red colour flower appeared in the F1 generation. But the white colour flower again appear in the F2 generation which is raised out...
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A closed cylindrical tube containing some water (not filling the entire tube) lies in a horizontal plane.
(a) increases Explanation: During the above rotation water will move away from the axis of rotation. And the moment of inertia is directly proportional to the square of the distance of the mass from...
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Water rises in a vertical capillary tube upto a length of 10 cm. If the tube is inclined at 45°, the length of water risen in the tube will be
The correct answer is (b) 10√2 cm Explanation: When the tube is inclined, the vertical rise remains the same. So the water in the inclined tube rises to 10*sec45° =10√2 cm.
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Statement-1 : Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.
(b) Statement-1 is true, Statement-2 is true; Statement-2 is the correct explanation of Statement-1.
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A closed cylindrical tube containing some water (not filling the entire tube) lies in a horizontal plane,
(a) increases Explanation: During the above rotation water will move away from the axis of rotation. And the moment of inertia is directly proportional to the square of the distance of the...
1 Answers 1 views