MCQ
Which picture shows conjoint closed vascular bundles?
- A
- B
- C
- DNone of these pictures shows conjoint closed vascular bundles.

Explanation:

Various types of vascular bundles :(a) radial (b) conjoint closed (c) conjoint open.
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$(I)$ Hypothalamus is the basal part of diencephalon
$(II)$ It regulates a wide spectrum of body function
$(III)$ Two type of hormones are produced by hypothalamus.
$(IV)$ Gonadotropins is hypothalamic hormone.