MCQ
Select the correct group of biocontrol agents
- ABacillus thuringiensis,Tobacco mosaic virus, Aphids
- ✓Trichoderma, Baculovirus, Bacillus thuringiensis
- COscillatoria, Rhizobium, Trichoderma
- DNostoc, Azospirillium, Nucleopolyhedrovirus
✓
Answer
Correct option: B.
Trichoderma, Baculovirus, Bacillus thuringiensis
b
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(B) In earthworm, after 26 segment there is presence of internal median fold of ventral wall called typhlosole that increase effective area of absorption.
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(G) There are 2 pair of testis in earthworm which are present in 11- & 12 segments.
(H) Spermathecae receive and store spermatozoa during copulation in female earthworm.
(I) Fertilisation in earthworm occur within the cocoon and development is indirect.
(J) On an average, each cocoon produces 4 baby earthworm.
(K) The scientific name of common cockroach is Periplaneta americana
(L) In each segment of cockroach, exoskeleton has hardened plates called sclerites.
(M) Ventrally, sclerite is called tergites and dorsally it is called sternites and are joined to each other by arthrodial membrane.
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