11. Which of the following is studied in Ethnobotany?
[A] Practical use of plants by local culture and people
[B] Relations between Plants and peoples Behvaior
[C] Comparison of different plants in a particular area
[D] Study of relations of plants, animals and animals in an area
Show Answer
Correct Answer: A [Practical use of plants by local culture and people]
Notes:
Ethnobotany is the study of the plants of an area and their practical uses through the traditional knowledge of a local culture and people.
12. Which virus is most susceptible to chloroform?
[A] Herpes
[B] Influenza
[C] Measles
[D] All of these
Show Answer
Correct Answer: D [All of these]
Notes:
Herpes, Influenza and Measles viruses are most susceptible to chloroform.
13. Iodine is obtained from which of the following members?
[A] Green algae
[B] Brown algae
[C] Red algae
[D] Blue green algae
Show Answer
Correct Answer: B [Brown algae]
Notes:
Kelp such as Fucus and Laminaria are rich sources of iodine. They are members of the Phaeophyceae brown algae.
14. Covered smut of Sorghum is caused by which of the following?
[A] Sphacelotheca sorghi
[B] Sphacelotheca cruenta
[C] Sphacelotheca reiliana
[D] Tolyposporium ehrenbergii
Show Answer
Correct Answer: A [Sphacelotheca sorghi]
Notes:
Sporisorium sorghi is a fungus in the family of Ustilaginaceae. It is a plant pathogen that causes the covered scum of sorghum.
15. Which is a plant disease in which large yellow spots appear on the leaves?
[A] Bacterial Blight
[B] Bacterial Spot
[C] Aphids
[D] Botrytis
Show Answer
Correct Answer: A [Bacterial Blight]
Notes:
Bacterial blight is a plant disease in which large yellow spots appear on the leaves. Bacterial blight is caused by Pseudomonas syringae.
16. Whip smut of sugarcane is caused by which of the following?
[A] Ustilago nuda
[B] Ustilago hordei
[C] Urocystis agrophri
[D] Ustilago sciteminae
Show Answer
Correct Answer: D [Ustilago sciteminae]
Notes:
Ustilago schitaminia causes a fungal disease in sugarcane called sugarcane whip smut. In this, the fungus usually grows within the meristem tissue.
17. Who is the father of plant pathology in India?
[A] Heinrich Anton de Bary
[B] E.F. Smith
[C] Edwin John Butler
[D] Robert Harting
Show Answer
Correct Answer: C [Edwin John Butler]
Notes:
Edwin John Butler is the father of plant pathology in India. He was an Irish mycologist and plant pathologist.
18. Which of the following is not a characteristic of non-chordates?
[A] cylindrical, triploblastic, coelomate, or pseudocoelomate animals
[B] Modes of reproduction involve sexual and asexual
[C] body includes a closed circulatory system
[D] Respiration takes place through gills, trachea or body surface
Show Answer
Correct Answer: C [body includes a closed circulatory system]
Notes:
Chordates body includes a closed circulatory system. Whereas non-chordates are cylindrical, triploblastic, coelomate, or pseudocoelomate animals, modes of reproduction involve sexual and asexual and respiration takes place through gills, trachea, or body surface.
19. Pila is an example of which class?
[A] Gastropoda
[B] Pelecypoda
[C] Cephalopoda
[D] Scaphopoda
Show Answer
Correct Answer: A [Gastropoda]
Notes:
Pila belongs to the phylum Mollusca and class Gastropoda. Gastropods commonly known as snails and slugs belong to a large taxonomic class of invertebrates within the phylum Mollusca.
20. What is the common name of a devilfish?
[A] Loligo
[B] Sepia
[C] Teredo
[D] Octopus
Show Answer
Correct Answer: D [Octopus]
Notes:
Octopus is the common name of a devilfish due to the presence of eight muscular arms or tentacles.
