1:   The salivary gland chromosomes in the dipteran larvae,are useful in gene mapping because of which feature in them?
Options:
  1. these are much easier to stain
  2. these are much longer in size
  3. these are fused
  4. they have endoreduplicated chromosomes

Answer: Option 4

Explanation:

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2:   Reproductive value of an individual is greatest just before ---------
Options:
  1. birth
  2. death
  3. marriage
  4. first reproduction

Answer: Option 4

Explanation:

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3:   Altitude sickness is------
Options:
  1. physiological adaptation
  2. genotypic adaptation
  3. phenotypic adaptation
  4. all of the above

Answer: Option 1

Explanation:

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4:   Model is------
Options:
  1. the species which mimic
  2. object to which mimic resemble
  3. both of the above
  4. none of the above

Answer: Option 2

Explanation:

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5:   Positively regulatory proteins are called ------
Options:
  1. activator
  2. repressor
  3. necessary proteins
  4. accessory proteins

Answer: Option 1

Explanation:

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6:   Methionine and tryptophan has-------
Options:
  1. double triplet codon
  2. single triplet codon
  3. triplet triplet codon
  4. all of the above

Answer: Option 2

Explanation:

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7:   The cellular factory responsible for the synthesis of proteins is------
Options:
  1. mitochondria
  2. Golgi bodies
  3. endoplasmic reticulum
  4. ribosome

Answer: Option 4

Explanation:

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8:   Amino acids are activated by-------
Options:
  1. ADP
  2. AMP
  3. ATP
  4. all of the above

Answer: Option 3

Explanation:

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9:   Which of the following enzyme reunites the exon segment after RNA splicing?
Options:
  1. RNA ligase
  2. RNA polymerase
  3. both of the above
  4. RNA protease

Answer: Option 1

Explanation:

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10:   Changes in the nucleotide sequences of DNA which are not passed to offsprings occurs in-----
Options:
  1. egg and sperm cells
  2. diploid and haploid cells
  3. non sexual cells
  4. none of the above

Answer: Option 3

Explanation:

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