Biology MCQs Online Quiz Test 11

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Biomolecules Solved MCQs With Answers

Q.1: Brown algae are also known as——?

  1. Phaeophyta
  2. Rhodophyta
  3. Pyrrophyta
  4. Chrysophyta

A

Q.2: Chalk is gradually formed of dead——-?

  1. Actinopods
  2. Foraminiferans
  3. Apicomplexans
  4. Radiolarians

B

Q.3: The only group of algae having no flagellated motile cells at any stage is——?

  1. Chrysophyta
  2. Phaeophyta
  3. Pyrrophyta
  4. Rhodophyta

D

Q.4: Of the following which one has glassy shells——–?

  1. Radiolarians
  2. Forams
  3. Both of these
  4. None of these

A

Q.5: Most of the photosynthesis on earth is carried by—–?

  1. Kelps
  2. Gymnosperms
  3. Angiosperms
  4. Algae

D

Q.6: Which of the following statement is incorrect about algae——-?

  1. Their zygote unlike plants is protected by parental tissue
  2. Their classification is based on pigment composition
  3. Most of them have different morphological forms in-different stages of their life cycle
  4. Almost all of them are aquatic

A

Q.7: In which of the following pigments major energy reserves and cell wall are like plants?

  1. Rhodophyta
  2. Chlorophyta
  3. Phaeophyta
  4. Chrysophyta

B

Q.8: The word Archaeobacteria (a division of bacteria) derived from Greek means——?

  1. True bacteria
  2. False bacteria
  3. Recent bacteria
  4. Ancient bacteria

D

Q.9: Who coined the term Animalcules for microorganisms like Bacteria and protozoa——-?

  1. Robert Koch
  2. Louis Pasteur
  3. Alexander Fleming
  4. Leeuwenhoek

D

Q.10: A cofactor made of inorganic ion which is detachable is called———?

  1. Prosthetic group
  2. Coenzyme
  3. Activator
  4. Cofactor

C