Recent questions tagged neet

In oogamy fertilization involves -

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Presence of gills in the tadpole of frog indicates that :-

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In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order :-

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One of the following is a very unique feature of the mammalian body -

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Which one of the following pairs is not correctly matched ?

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When$ CO_2$ concentration in blood increases, breathing becomes -

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According to oparin, which one of the following was not present in the primitive atmosphere of the earth :-

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After a mutation at a genetic locus the character of an organism changes due to the change in :-

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In a plant red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt

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During replication of a bacterial chromosomes DNA synthesis starts from a replication origin site and :-

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Which one of the following is not correctly matched

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Cancer cells are more easily damaged by radiation than normal cells because they are -

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Duodenum has characteristic Brunner's glands which secrete two hormones called -

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Certain characteristic demographic features of developing countries are -

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ATPase enzyme needed for muscle contraction is located in -

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Uricotelism is found in -

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In 1984, the Bhopal gas tragedy took place because methyl isocyanate :-

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If by radiation all nitrogenase enzyme are inactivated, then there will be no :-

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In your opinion, which is the most effective way to conserve the plant diversity of an area :-

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Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to :-

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Which of the following is expected to have the highest value $(gm/m^ 2/yr)$ in a grassland ecosystem : -

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Lichens are well known combination of an alga and a fungus where fungus has :-

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A self-fertilizing trihybrid plant forms :-

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In glycolysis, during oxidation electrons are removed by -

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In chloroplasts, chlorophyll is present in the :-

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Edible part of mango is :-

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Angiosperms have dominated the land flora primarily because of their -

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An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is :-

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Which of the following hormones is not a secretion product of human placenta -

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Injury to vagus nerve in humans is not likely to affect -

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Ovulation in the human female normally takes place during the menstrual cycle -

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The recessive genes located on X-chromosomes in humans are always-

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Viruses that infect bacteria, multiply and cause their lysis are called -

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Which one of the following hormones is a modified amino acid ?

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Extranuclear inheritance is a consequence of presence of genes in -

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In$ C_3$ plants, the first stable product of photosynthesis during the dark reaction is :-

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During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG, then the nucleotide sequence in the mRNA would be -

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In Arthopoda, head and thorax are often fused to form cephalothorax, but in which one of the following classes, is the body divided into head, thorax and abdomen ?

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Anthesis is a phenomenon which refers to -

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What kind of evidence suggested that man is more closely related with chimpanzee than with other hominoid apes ?

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Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary periods for different groups of organisms includes -

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A normal woman, whose father was colour-blind is married to a normal man. The sons would be :-

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In transgenics expression of transgene in target tissue is determined by :-

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The richest sources of vitamin B12 are :-

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You are required to draw blood from a patient and to keep it in a test tube for analysis of b corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose?

asked Jul 24, 2018 by pady_1

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Blood analysis of a patient reveals an unusually high quantity of carboxy-haemoglobin content. Which of the following conclusions is most likely to be correct ? The patient has been inhaling polluted air containing unusually high content of -

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In $BrF_3$ molecule, the lone pairs occupy equatorial positions to minimize :-

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The work done during the expansion of a gas from a volume of $4 dm^{ 3}$ to $6 dm^{ 3}$ against a constant external pressure of 3 atm is :-

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A solid compound 'X' on heating gives $CO_2$ gas and a residue. The residue mixed with water forms 'Y'. On passing an excess of $CO_2$ through 'Y' in water, a clear solution, 'Z' is obtained. On boiling 'Z', compound 'X' is reformed. The compound 'X' is :-

asked Jul 24, 2018 by pady_1

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The molecular formula of diphenyl methane, <br> <br> is $C_{13}H_{12}$. <br> How many structural isomers are possible when one of the hydrogens is replaced by a chlorine atom :-

asked Jul 24, 2018 by pady_1

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