provides passive immunity

MCQ

✓

Answer

Correct option: C.

Exogenous supply of antibody

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Assertion: All locomotions are movements but all movements are not locomotions.
Reason: Hydra can use its tentacles for capturing its prey and also use them for locomotion.

Assertion: Smoking causes oxygen deficiency in the body.
Reason: Smoking increases carbon monoxide (CO) content in blood and reduces the concentration of haem bound oxygen.

$I.$ 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?

Statement I: Parathyroid hormone (PTH) is a steroid hormone.
Statement II: PTH is a hypercalcemic hormone.