Match the terms in Column I with their description in Column II and choose the correct option.

Column I

Column II

A. Dominance

1. Many genes govern a single character

B. Codominance

2. Ina heterozygous organism only one allele expresses itself

C. Pleiotropy

3. In a heterozygous organism both alleles express themselves fully

D. Polygenic inheritance

4. A single gene influences many characters

Codes : 

 

A

B

C

D

(1)  

2   

3   

4   

1

(2)

4

1

2

3

(3)

4

3

1

2

(4)

2

1

4

3

Subtopic:  Dominance Deviation from Mendel: 2 | Polygenic Inheritance & Pleiotropy |
 87%
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NEET - 2016
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Which of the following most appropriately describes haemophilia?

(1) X-linked recessive gene disorder

(2) Choromosomal disorder

(3) dominant gene disorder

(4) Recessive gene disorder

Subtopic:  Mendelian Disorders: Hemophilia |
 88%
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NEET - 2016
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In angiosperms, microsporogenesis and megasporogenesis

(1) occur in anther

(2) form gametes without further divisions

(3) involve meiosis

(4) occur in ovule

Subtopic:  Stamen: Microsporangium | Pistil: Female Gametophyte |
 84%
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NEET - 2015
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Destruction of the anterior horn cells of the spinal cord would result in loss of 

(1) sensory impulses

(2) voluntary motor impulses

(3) commissural impulses

(4) integrating impulses

Subtopic:  Motor Functions of Spinal Cord |
 54%
NEET - 2015
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The cutting of DNA at specific locations became possible with the discovery of 

(1) restriction enzymes

(2) probes

(3) selectable markets

(4) ligases

Subtopic:  Introduction & History: II | Tools: Enzymes: II | Introduction & History | Tools |
 94%
From NCERT
NEET - 2015
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The enzyme that is not present in succus entericus is

(1) maltase

(2) nucleases

(3) nucleosidase

(4) lipase

Subtopic:  Intestinal Secretions |
 55%
From NCERT
NEET - 2015
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In which of the following interactions both partners are adversely affected?

(1) Competition

(2) Predation

(3) Parasitism

(4) Mutualism

Subtopic:  Population Interactions: Competition |
 89%
From NCERT
NEET - 2015
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A. Saccharomyces  cerevisiae i. Production of immunosuppressive agents
B. Monascus purpureus ii. Ripening of Swiss Cheese
C. Trichoderma polysporum iii. Commercial production of ethanol
D. Propionibacterium sharrmanii    iv. Production of blood-cholesterol lowering agents      

Codes

A     B     C     D
1.   iii iv i ii
2. iv iii ii i
3. iv ii i iii
4. iii i iv ii
Subtopic:  Chemistry of Fermented Beverages | Microbes in Household Products | Chemicals, Enzymes & Other Bioactive Molecules |
 86%
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NEET - 2015
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In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to 

(1) Alkaline pH of the insect gut

(2) acidic pH of the insect gut

(3) action of gut microorganisms

(4) presence of conversion factors in insect gut

Subtopic:  Bt Crops |
 93%
From NCERT
NEET - 2015
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Fruit color in squash is an example of 

(1) recessive epistatis

(2) dominant epistatis

(3) complementary genes

(4) inhibitory genes

Subtopic:  Epistasis |
 56%
NEET - 2014
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