An expression of one gene depends on the presence or absence of another gene in an individual.

An expression of one gene depends on the presence or absence of another gene in an individual.
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 Ans. Epistasis/gene interaction
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‘Addiction’ and ‘habituation’: A. Are fundamentally different phenomena B. Are produced by different set of drugs/substances C. Differ from one another by the presence or absence of physical dependence D. Differ from each other in the degree of attendant psychological dependence

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Last Answer : D. Differ from each other in the degree of attendant psychological dependence

Man can not digest cellulose due to the absence of

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Last Answer : Ans. Cellulose

A pleiotropic gene (a) controls a trait only in combination with another gene (b) controls multiple traits in an individual (c) is expressed only in primitive plants (d) is a gene evolved during Pliocene.

Description : A pleiotropic gene (a) controls a trait only in combination with another gene (b) controls multiple traits in an individual (c) is expressed only in primitive plants (d) is a gene evolved during Pliocene.

Last Answer : (a) controls a trait only in combination with another gene

Gene responsible for higher amount of lysine in maize

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Last Answer : Ans. Opaque-2

Alternate forms of a gene

Description : Alternate forms of a gene

Last Answer : Ans. Allele

An exact genetic replica of a specific gene or an entire organism.

Description : An exact genetic replica of a specific gene or an entire organism.

Last Answer : Ans. Clone

A single gene affecting more than one character/governing multiple traits

Description : A single gene affecting more than one character/governing multiple traits

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Thread like bodies that carry gene

Description : Thread like bodies that carry gene

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Last Answer : (c) (ii) and (iv)

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Description : The cooperative farming in which Ownership is individual and operations is collectively

Last Answer : Ans. Cooperative joint farming

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Description : The cooperative farming in which Ownership and operations both Individual

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Description : The economic concerned with individual unit i.e., single industry, form or single consumer.

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Description : The mental process through which individual passes from fires hearing about an innovation to final adoption.

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Last Answer : Ans. Development

Characters which are governed/controlled by several genes each having small individual effect.

Description : Characters which are governed/controlled by several genes each having small individual effect.

Last Answer : Ans. Polygenic Traits

Progeny of a single cross fertilized heterozygous individual

Description : Progeny of a single cross fertilized heterozygous individual

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Description : Is black the presence of all colors and white the absence of all colors?

Last Answer : Other way around.

____ sensors are used to indicate presence or absence of hot objects a.Vision sensors b.Infrared sensors c.Photo-metric sensors d.Range detectors

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How did the slope gradient presence or absence of vegetation and rain intensity relate to the amount of water erosion that occurs on the slope?

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In haemolytic jaundice, urine shows (A) Absence of bile pigments and urobilinogen (B) Presence of bile pigments and urobilinogen (C) Absence of bile pigments and presence of urobilinogen (D) Presence of bile pigments and absence of urobilinogen FATS AND FATTY ACID METABOLISM 91

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Last Answer : Answer : C

In obstructive jaundice, urine shows (A) Absence of bile pigments and urobilinogen (B) Presence of bile pigments and urobilinogen (C) Absence of bile pigments and presence of urobilinogen (D) Presence of bile pigments and absence of urobilinogen

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Last Answer : Answer : D

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The sensation of weightlessness in a spacecraft in an orbit is due to the – (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside (3) Presence of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

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The sensation of weightlessness in a spacecraft in an orbit is due to the – (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside (3) Presence of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

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Why are covalent compounds poor conductors of electricity? (1) Due to the presence of charged particles. (2) Due to the absence of charged particles. (3) Due to the presence of a triple bond. (4) None of the above

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Facultative bacteria survive in A. The presence of oxygen B. The absence of oxygen C. Both cases A. and B. D. Neither A. nor B.

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Neoprene is rendered non-inflammable, because of (A) Its cross-linked structure (B) Its linear chain structure (C) The presence of chlorine atoms in its monomer (D) The absence of chlorine atoms in its monomer

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The length of small intestine in a deer is more as compared to the length of small intestine of a tiger. The reason for this is — (a) Mode of intake of food. (b) Type of food consumed. (c) Presence or absence of villi in intestines. (d) Presence or absence of digestive enzymes

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Last Answer : (b) Type of food consumed.

Which of the following findings is most useful for staging of a tumour C A. Presence of necrosis B. Presence of abnormal mitoses C. Presence of metastases D. Absence of apoptosis

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Last Answer : Presence of metastases

Stools associated with Giardia infection are generally described as loose, bulky, frothy and/or greasy with A A. The absence of blood or mucus B. The presence of blood or mucus C. The absence of mucus D. The presence of mucus

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Last Answer : The absence of blood or mucus

Which of the following describes the given graph correctly? Potential energy Reaction Product Substrate B A (a) Endothermic reaction with energy A in presence of enzyme and B in absence of enzyme. (b) Exothermic reaction with energy A in presence of enzyme and B in absence of enzyme. (c) Endothermic reaction with energy A in absence of enzyme and B in presence of enzyme. (d) Exothermic reaction with energy A in absence of enzyme and B in presence of enzyme.

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Heartwood differs from sapwood in (a) presence of rays and fibres (b) absence of vessels and parenchyma (c) having dead and non-conducting elements (d) being susceptible to pests and pathogens.

Description : Heartwood differs from sapwood in (a) presence of rays and fibres (b) absence of vessels and parenchyma (c) having dead and non-conducting elements (d) being susceptible to pests and pathogens.

Last Answer : (c) having dead and non-conducting elements

Taenia saginata differs from Taenia solium in (a) absence of scolex hooks (b) absence of scolex hooks and uterine branching (c) absence of scolex hooks and presence of both male and female reproductive organs (d) presence of scolex hooks.

Description : Taenia saginata differs from Taenia solium in (a) absence of scolex hooks (b) absence of scolex hooks and uterine branching (c) absence of scolex hooks and presence of both male and female reproductive organs (d) presence of scolex hooks.

Last Answer : (a) absence of scolex hooks

In contrast to annelids the platyhelminthes show (a) absence of body cavity (b) bilateral symmetry (c) radial symmetry (d) presence of pseudocoel.

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Last Answer : (a) absence of body cavity

Ascaris is characterized by (a) presence of true coelom but absence of metamerism (b) presence of true coelom and metamerism (metamerisation) (c) absence of true coelom but presence of metamerism (d) presence of neither true coelom nor metamerism.

Description : Ascaris is characterized by (a) presence of true coelom but absence of metamerism (b) presence of true coelom and metamerism (metamerisation) (c) absence of true coelom but presence of metamerism (d) presence of neither true coelom nor metamerism.

Last Answer : (d) presence of neither true coelom nor metamerism.

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. (a) Perianth and two integuments (b) Embryo development and apical meristem (c) Absence of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

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Last Answer : (d) Presence of vessel elements and absence of archegonia

An important criterion for modern day classification is (a) resemblances in morphology (b) anatomical and physiological traits (c) breeding habits (d) presence or absence of notochord.

Description : An important criterion for modern day classification is (a) resemblances in morphology (b) anatomical and physiological traits (c) breeding habits (d) presence or absence of notochord.

Last Answer : (b) anatomical and physiological traits