Recent questions tagged neet

Nitrogen fixation in root nodules of Alnus is brought about by:

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What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?

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Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product?

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A transgenic food crop which may help in solving the problem of night-blindness in developing countries is:

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Consider the statements given below regarding contraception and answer as directed thereafter: (i) Medical Termination of Pregnancy (MTP) during first trimester is generally safe (ii) Generally chances of conception are nil until mother breast-feeds the infant upto two years (iii) Intrauterine devices like copper-T are effective contraceptives (iv) Contraception pills may be taken upto one week after coitus to prevent conception. Which two of the above statement are correct?

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Cry1 endotoxins obtained from Bacillus thuringiensis are effective against:

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The slow rate of decomposition of fallen logs in nature is due to their:

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Carbohydrates are commonly found as starch in plant storage organs. Which of the following five (1-5) properties of starch make it useful as a storage material? (1) Easily translocated (2) Chemically non-reactive (3) Easily digested by animals (4) Osmotically inactive (5) Synthesized during photosynthesis

asked Jul 26, 2018 by pady_1

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Match the disease in Column I with the appropriate items (pathogen/ prevention/ treatment) in Column II.

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Cornea transplant in humans is almost never rejected. This is because:

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What is antisense technology?

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Modern detergents contain enzyme preparations of:

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Consider the following statements concerning food chains: (i) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation (ii) Removal of most of the carnivores resulted in an increased population of deers (iii) The length of food chains is generally limited to 3-4 trophic levels due to energy loss (iv) The length of food chains may vary from 2 to 8 trophic levels

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During the propagation of a nerve impulse, the Q action potential results from the movement of:

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Which one of the following is the correct difference between Rod cells and Cone cells of our retina? OPTIONS :

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In germinating seeds fatty acids are degraded exclusively in the:

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Which one of the following phyla is correctly matched with its two general characteristic?

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The $C_4$ plants are photosynthetically more efficient than $C_3$ plants because

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The blood calcium level is lowered by the deficiency of:

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Haploids are more suitable for mutation studies than the diploids. This is because:

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Which one of the following pairs of organs includes only the endocrine glands?

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Gel electrophoresis is used for:

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Vascular tissues in flowering plants develop from:

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Quercus species are the dominant component in:

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Vacuole in a plant cell:

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Human insulin is being commercially produced from a transgenic species of:

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Dry indehiscent single-seeded fruit formed from bicarpellary, syncarpous, inferior ovary is:

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Which one of the following is being tried in India as a biofuel substitute for fossil fuels?

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Thermococcus, Methanococcus and Methanobacterium exemplify:

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Which type of white blood cells are concerned with the release of histamine and the natural anti-coagulant heparin?

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Given below is a diagrammatic cross section of a single loop of human cochlea: A B C A D Which one of the following options correctly represents the names of three different parts?

asked Jul 26, 2018 by pady_1

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Consider the following four measures (1-4) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common: (i) Spray with Bordeaux mixture (ii) Control of the insect vector of the disease pathogen (iii) Use of only disease-free seeds (iv) Use of varieties resistant to the disease Which two of the above measures can control the disease?

asked Jul 26, 2018 by pady_1

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Thorn of Bougainvillea and tendril of Cucurbita are examples of:

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The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of :

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The linking of antibiotic resistance gene with the plasmid vector became possible with:

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The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Tri-Phosphate (ATP) is formed because:

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Given below are four methods (A-D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follow: Answer codes :

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Unisexuality of flowers prevents:

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The Replum is present in the ovary of flower of:

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What is true about the isolated small tribal populations?

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In leaves of C-4 plants malic acid synthesis during $CO_2$ fixation occurs in:

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Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? OPTION :

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Which one of the following statements is incorrect about menstruation?

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In the hydrocarbon, $\overset{6}{CH_3}—\overset{5}{CH}=\overset{4}{CH}—\overset{3}{CH_2}—\overset{2}{C} \equiv \overset{1}{CH_6}$ The state of hybridization of carbons 1, 3,5 and are in the following sequence :

asked Jul 26, 2018 by pady_1

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Which of the following are not state functions? (I) q+w (II) q (III) w (IV) H-TS

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The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following orders?

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In which of the following co-ordination entities the magnitude of $\bigtriangleup_o$ (CFSE in octahedral field) will be maximum? (Atomic number of Co=27)

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An organic compound contains carbon, hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67%. The empirical formula of the compound would be :

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Kohlrausch's Law states that at :

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