Due to genetic and other unknown reasons, the body attacks self-cells and cause the damage to the body
(a) passive immunity
(b) active immunity
(c) auto immunity
(d) innate immunity
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i) All living organisms are composed of cells and products of cells, ii) All cells arise from preexisting cells.
C) Cell theory
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Which one of the following statements is correct about the onion peel cells and cheek cells that we observed under microscope ?
A) Onion cells has cell wall and cell membrane
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a. How are the hybridoma cells selected from the culture of B-cells and Myeloma cells while fusing them in hybridoma technology?
a. Using HAT medium b. Monoclonal antibody which is used to treat early stages of breast cancer is Herceptin (trastuzumab). It works by attaching itself to HER2 receptors by blocking them from...
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A heavy truck and bicycle hit a wall, with same velocity. More damage to the wall expected from
A) heavy truck
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If 1 kg body weights 1.2 N and 2 kg body weights 2.4 N on a planet. Then the acceleration due to gravity on that planet is
Correct option is D) 1.2 m/s2
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Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
The damage to the ozone layer is a cause for concern because: • Ozone layer will not be able to filter out the UV rays efficiently and this will cause various...
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The elderly are vulnerable group due to various reasons. Few reasons are
Answer is c. i and iv
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Name the conducting tissue in plants which is made of (a) living cells, and (b) dead cells.
(a) Phloem. (b) Xylem.
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Assertion: Cancer is contagious and cells can spread from one person to other. Reason : Cancerous cells are highly differentiated cells.
Correct Answer - D (d)
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What should I do if I have to break my fast early due to a medical emergency or other reasons?
Breaking a fast early due to a medical emergency or other reasons is permissible in Islam. If you need to break your fast early, here are some tips to help...
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