MCQ
A waxy substance produced by honey bee to repair combs is called as$........... :$
- ✓Propolis
- BHoney dew
- CNectar
- DEthylene
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$I.$ Ladybirds and dragonflies are used to get rid of aphids and mosquitoes
$II.$ The bacteria Bacillus thuringiensis $(B t)$ are used to control butterfly caterpillars
$III.$ Trichoderma sp. free living fungi, are present in root ecosystems where they act against several plant pathogens
$IV.$ Rhizobium is a symbiotic bacterium that lives in the stem of legumes
Which of the statements given above are correct?
Match following columns :
| Column $- I$ | Column $- II$ |
| $(a)$ Endometrium | $(p)$ The most external layer |
| $(b)$ Myometrium | $(q)$ Help in collection of the ovum after ovulation |
| $(c)$ Fimbriae | $(r)$ Fertilised ovum is installed here |
| $(d)$ Perimetrium | $(s)$ Thick layer of smooth muscle |