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

  • Flavr savr tomatoes

  • Starlink maize

  • Bt soybean

  • Bt soybean


D.

Bt soybean

Vitamin -A deficiency causes night blindness among children. Vitamin - A deficiency often occurs where rice is the staple food since rice grain does not contain Beta carotene. Three transgenic providing phytoene synthase, phytoene desaturase, zeta-carotene desaturase and lycopene cyclase activities were transferred into rice by Agrobacterium mediated transformation. The resulting transgenic rice popularly called golden rice contains good quantities of Beta-carotene.

Flavr savr is genetically modified tomato, which remains fresh and retains their flavour much longer than normal tomato due to blocking of synthesis of fruit softening enzyme polygalacturonase.

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Consider the following four measure (A-D) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common
A) spray with Bordeaux mixture
B) control of the insect vector of the disease pathogen
C) Use of only disease-free seeds
D) Use of varieties resistant to the disease
Which two fo the above measures can control the disease?

  • B and C

  • A and B

  • C and D

  • C and D


Which one of the following is the correct statement regarding the particular psychotropic drug specified

  • Hashish cause alter thought perceptions and hallucinations

  • Opium stimulates nervous system and cause hallucinations

  • Morphine leds to delusions and disturbed emotions

  • Morphine leds to delusions and disturbed emotions


To which type of barriers under innate immunity, do the saliva in the mouth and the tears the eyes, belong?

  • Cytokine barriers

  • cellular barriers

  • Physiological barriers

  • Physiological barriers


The letter T in T-lymphocyte refer to 

  • thyroid

  • thalamus

  • tonsil

  • tonsil


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