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General ScienceMedium

Phycology, also known as algology, is the study of

  1. A.Algae
  2. B.Fungi
  3. C.Grasses
  4. D.Ferns

Correct answer

A. Algae

Explanation

The correct answer is A, algae. Phycology, also called algology, is the study of algae, the simple photosynthetic organisms that range from the single-celled Chlamydomonas to the large brown seaweeds, and it covers their classification and their uses as food, fertiliser and a source of agar. Option B is wrong because the study of fungi is mycology. Option C is wrong because the study of grasses is agrostology, a branch of economic botany important for fodder and for cereals. Option D is wrong because the study of ferns is pteridology. Along with bryology for mosses, these four names, phycology, mycology, bryology and pteridology, are set against one another in nearly every paper that asks this topic. A further point is that algae are the basis of aquatic food chains and that the red algae yield agar, used as a culture medium in laboratories, both facts often attached to phycology in question papers.

Read the full article: Branches of Science and Their Fields of Study

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Q4.General ScienceMedium

The study of fossils is known as

  1. A.Palynology
  2. B.Palaeontology
  3. C.Pedology
  4. D.Petrology
Show answer
Correct answer: B. Palaeontology

Palaeontology is the study of fossils, the preserved remains or traces of organisms of past geological ages, and it supplies the evidence on which the history of life and the theory of evolution rest.

Q5.General ScienceEasy

Sericulture is the rearing of which of the following?

  1. A.Honey bees
  2. B.Silkworms
  3. C.Earthworms
  4. D.Fish
Show answer
Correct answer: B. Silkworms

Sericulture is the rearing of silkworms for the production of raw silk, and it includes the growing of mulberry, on whose leaves the mulberry silkworm feeds; India produces mulberry silk as well as the wild varieties tasar, eri and muga, the last being special to Assam.