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Morphology Of Flowering Plants

Question
CBSEENBI11003464
Wired Faculty App

Assertion: Black rust of wheat is a hazardous disease which is caused by Puccinia fungus.

Reason: Aflatoxin is produced in the groundnut by the infection of a bacterium.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.

Solution

C.

If assertion is true but reason is false.

Stem rust, also known as black stem rust is caused by Puccinia graminis tritici, a fungus. It primarily infects wheat, but also causes minor infections on cultivars of barley and rye. Groundnut production is reduced by Aspergillus species, a fungus, which causes quantitative losses and produces highly toxic and carcinogenic chemical substance known as aflatoxins

Some More Questions From Morphology of Flowering Plants Chapter

Define the following terms:

(a) aestivation

Define the following terms:

(c) placentation

Define the following terms:

(c) actinomorphic

Define the following terms:

(d) zygomorphic

Define the following terms:
(e) superior ovary

Define the following terms:
perigynous flower

Define the following terms:
epipetalous stamen

Define the following terms:

(a) Racemose and cymose inflorescence

Define the following terms:
(b) Fibrous root and adventitious root

Define the following terms:
(c) Apocarpous and syncarpous ovary

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