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1009 available questions

Biology · Question 341

The smallest monosaccharide is

  1. triose
  2. diose
  3. monose
  4. none of these
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Correct answer: A

triose

Biology · Question 342

A women is a carrier for a sex-linked disorder. She marries a man whoes father had the disorder, and whoes mother did not. The man is unaffected. If they have a child, what is the probability that the child is alos a carrier.

  1. 0.25
  2. 0.5
  3. 0.75
  4. 0.01
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Correct answer: A

0.25

Biology · Question 343

If both the alleles are the same with respect to genes then they are called?

  1. hetrozygous
  2. unicellular
  3. homozygous
  4. none of these
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Correct answer: C

homozygous

Biology · Question 344

Which fo the following sections of a sarcomere does not shorten during contraction?

  1. I band
  2. H zone
  3. A band
  4. none of these
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Correct answer: C

A band

Biology · Question 345

The scrotum is responisble for which of the following in the male reproductive system?

  1. Synthesis of sperm
  2. Lubrication
  3. Nourishment of sperm
  4. Temperature regulation
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Correct answer: D

Temperature regulation

Biology · Question 346

The most common protein in nature is

  1. collagen
  2. rubisco
  3. DNAase
  4. keratin
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Correct answer: B

rubisco

Biology · Question 347

The cell wall of bacteria is made up of:

  1. Chitin
  2. Cellulose
  3. Peptidoglycan
  4. Pectin
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Correct answer: C

Peptidoglycan

Biology · Question 348

The terminal portion of the male duct system is:

  1. Vasa efferentia
  2. Vasa deferens
  3. Urethra
  4. Epididymis
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Correct answer: C

Urethra

Biology · Question 349

Which is the funciton of lysozyme enzyme released by bacteriophages?

  1. Injecting DNA
  2. Replication
  3. Dissolve bacterial cell wall
  4. All of these
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Correct answer: C

Dissolve bacterial cell wall

Biology · Question 350

The word “Annelida” is of Greek origin; “annelus” means:

  1. Little ring
  2. Segmented body
  3. Thread
  4. Hollow
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Correct answer: A

Little ring