Which intermediate compound is involved in the synthesis of amino acids?
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Solution
Amino acid like aspartate and glutamate on deamination from organic acids like OAA and a- Ketoglutaric acid respectively which enter into Kreb's cycle.
Mast cells are associated with
Radial symmetry occurs in
Lamprey is not a fish since it does not have
Placenta is formed in humans by
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Solution
Human placenta is largely formed of chorion and contains blood vessels formed by allantois.
Which one is the incorrect statement with regards to the importance of pedigree analysis?
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Solution
Pedigree is a chart showing the record of inheritance of certain genetic traits for two or more ancestral generations of an individual, abnormality or disease.
Which one of the following scientists name is correctly matched with the theory put forth by him?
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Solution
The theory of the continuity of the germplasm published by August Weismann (1834-1914) in 1886. It proposes that the contents of the reproductive cells (sperms and ova) are passed on unchanged from one generation to the next, unaffected by any changes undergone by the rest of the body. It thus rules out any possibility of the inheritance of acquired characteristics, and has become fundamental to Neo-Darwinian theory.
Carrier ions like Na+facilitate the absorption of substances like:
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Solution
Massive ions like Na+facilitate the absorption of substances like amino acid and glucose through co-transport.
What is not seen during mitosis in somatic cells ?
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Solution
Synapsis is the pairing of homologous chromosomes during zygotene stage of prophase I of meiotic division-I. The homologous chromosomes come from the mother and father.
A majority of organisms are restricted to an arrow range of temperature, and are called
If there are 4 cells in anther, what will be the number of pollen grains ?
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Solution
Four microspore mother cells in anther on reductioning division will give rise to 16 microspores.
Which one of the following pigment does not occur in the chloroplast?
Baggasse is related to the manufacture of
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Solution
Baggasse is crushed sugarcane from which sugar has been extracted. It is used for fuel in sugar refineries and in making of fibre board.
Water vascular system is found in –
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Solution
Water vascular system is found in Star-fish.
Bidirectional translocation of minerals takes place in
Acetic acid is produced with the help of
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Solution
The bacterium, Acetobacter aceti is used for the production of acetic acid in industries. It is mainly used in pharmaceutical industries, colouring agent, insecticides and plastics.
Gynandromorphs are animals having
The transgenic animals are those which have
Questions contain STATEMENT-1 (Assertion) and STATEMENT-2 (Reason).Question has 4 choices (a), (b), (c) and (d) out of which ONLY ONE is correct.
Statement 1 : The main part of carbohydrate digestion takes place in small intestine.
Statement 2 :Here pancreatic amylase converts carbohydrates into lactose.
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Solution
In small intestine pancreatic amylase converts starch and dextrins into maltoses and small intestine is main site for digestion of carbohydrates.
About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH-surge) normally occurs?
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Solution
At 14th day of normal human menstrual cycle rapid secretion of LH normally occurs.