An example of a seed with endosperm, perisperm, and caruncle is
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Solution
An example of a seed with endosperm, perisperm, and caruncle is castor. Castor seed is the source of castor oil,which has a wide variety of uses.
Mimosa pudica(Sensitive plant) leafs movement due to :
Given below is a diagrammatic cross section of a single loop of human cochlea:
Which one of the following options correctly represents the names of three different parts?
The plasma resembles its composition to the filtrate produced by the glomerulus except the presence of
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Solution
Due to large size, protein can't be filtered through the filtratrion slits. So they are absent in glomerular filtrate.
Main function of leaf is –
Sickle cell anaemia has not been eliminated from the African population because
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Solution
In sickle cell anaemia RBCs become sickle shaped which are not supportive for the growth of malarial parasite Plasmodium so it provides immunity against malaria disease.
Pedicellate flowers arising from a single point form –
During the process of isolation of DNA, chilled ethanol is added to
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Solution
Ethanol is non-polar molecule while DNA is a polar molecule,it has a net negative charge due to the phosphate groups attached to it. When DNA is placed into a solution of 100% ethanol, it becomes insoluble and precipitates out of solution.
Resin canals and mucilage canal of gymnosperms are example of-
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Solution
Resin canals and mucilage canal of gymnosperms are example of lysigenous cavity.
The largest leaf belongs to –
Plasmodium, the parasite, belongs to class
In the diagram of excretory system of humna beings given below, different parts have been indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts whcih they represent
Vitamin B2 is obtained from
One of the ex-situ conservation methods for endangered species is –
In DNA purine nitrogen bases are
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Solution
In DNA purine nitrogen bases are Guanine and Adenine.
Which one is the wrong pairing for the disease and its causal organism?
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Solution
Late blight is caused by the fungus Phytophthora infestans. Late blight appears on potato or tomato leaves as pale green, water-soaked spots, often beginning at leaftips or edges.
Persons suffering from high blood pressure should take the following precaution to avoid excessive rise in their blood pressure
One of the following endocrine gland functions as a biological clock and a neurosecretory transducer
A genetic clone is
The first step in photosynthesis is –