Recent questions tagged neet

A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. $E_0$ and a resistance $r_1$. An unknown e.m.f. E is balanced at a length l of the potentiometer wire. The e.m.f. E will be given by :

asked Aug 21, 2018 by pady_1

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The Young’s modulus of steel is twice that of brass. Two wires of same length and of same area of cross section, one of steel and another of brass are suspended from the same roof. If we want the lower ends of the wires to be at the same level, then the weights added to the steel and brass wires must be in the ratio of :

asked Aug 21, 2018 by pady_1

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The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of the liquid in the tube is V, the speed of the ejection of the liquid through the holes is :

asked Aug 21, 2018 by pady_1

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An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be the direction of current, if any, induced in the coil ?

asked Aug 21, 2018 by pady_1

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The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong ?

asked Aug 21, 2018 by pady_1

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In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is :

asked Aug 21, 2018 by pady_1

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The UN conference of Parties on climate change in the year 2012 was held at :

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Which of the following pairs is not correctly matched?

asked Aug 21, 2018 by pady_1

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Which of the following immunoglobulins does constitute the largest percentage in human milk?

asked Aug 21, 2018 by pady_1

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In photosynthesis, the light-independent reactions take place at :

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Pick up the wrong statement :

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The introduction of t-DNA into plants involves -

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A column of water within xylem vessels of tall trees does not break under its weight because of -

asked Aug 21, 2018 by pady_1

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Industrial melanism is an example of -

asked Aug 21, 2018 by pady_1

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Satellite DNA is important because it :

asked Aug 21, 2018 by pady_1

2 answers

Which of the following are most suitable indicators of $SO_2$ pollution in the environment?

asked Aug 21, 2018 by pady_1

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Name the pulmonary disease in which alveolar surface area involvedin gas exchange is drastically reduced due to damage in the alveolar walls.

asked Aug 21, 2018 by pady_1

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Balbiani rings are sites of :

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In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree.

asked Aug 21, 2018 by pady_1

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During ecological succession :

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Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when :

asked Aug 21, 2018 by pady_1

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Which one of the following is not applicable to RNA?

asked Aug 21, 2018 by pady_1

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Which of the following joints would allow no movement?

asked Aug 21, 2018 by pady_1

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Read the different components from (a) to (d) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem : (1) Secondary cortex (2) Wood (3) Secondary phoem (4) Phellem The correct order is :

asked Aug 21, 2018 by pady_1

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Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland ?

asked Aug 21, 2018 by pady_1

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Identify the correct order of organisation of genetic material from largest to smallest :

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Match the columns and identify the correct option.

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Roots play insignificant role in absorption of water in :

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Destruction of the anterior horn cells of the spinal cord would result in loss of :

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Increase in concentration of the toxicant at successive trophic levels is known as :

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Flowers are unisexual in :

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The wings of a bird and the wings of an insect are :

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The imperfect fungi which are decomposers of litter and help in mineral cycling belong to :

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The chitinous exoskeleton of arthropods is formed by the polymerization of :

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A gene showing codominance has :

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In angiosperms, microsporogenesis and megasporogenesis :

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Which one of the following fruits is parthenocarpic?

asked Aug 21, 2018 by pady_1

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In his classic experiments on pea plants, Mendel did not use :

asked Aug 21, 2018 by pady_1

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Which of the following layers in an antral follicle is acellular ?

asked Aug 21, 2018 by pady_1

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In human females, meiosis-II is not completed until?

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If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence ?

asked Aug 21, 2018 by pady_1

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The structures that help some bacteria to attach to rocks and / or host tissues are :

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A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is :

asked Aug 21, 2018 by pady_1

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A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is :

asked Aug 21, 2018 by pady_1

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Outbreeding is an important strategy of animal husbandry because it :

asked Aug 21, 2018 by pady_1

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Which of the following diseases is caused by a protozoan?

asked Aug 21, 2018 by pady_1

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Which one of the following hormones is not involved in sugar metabolism?

asked Aug 21, 2018 by pady_1

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Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum :

asked Aug 21, 2018 by pady_1

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Which of the following events is not associated with ovulation in human female?

asked Aug 21, 2018 by pady_1

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Auxin can be bioassayed by -

asked Aug 21, 2018 by pady_1

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