TN Online TestSamacheer Kalvi practice

Plant and Animal Hormones Book Back One Mark Online Test (10th Standard Science)

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Gibberellins cause:

A.Shortening of genetically tall plants B.Elongation of dwarf plants C.Promotion of rooting D.Yellowing of young leaves

The hormone which has positive effect on apical dominance is:

A.Cytokinin B.Auxin C.Gibberellin D.Ethylene

Which one of the following hormones is naturally not found in plants:

A.2, 4-D B.GA3 C.Gibberellin D.IAA

Avena coleoptile test was conducted by

A.Darwin B.N. Smit C.Paal D.F.W. Went

LH is secreted by

A.Adrenal gland B.Thyroid gland C.Anterior pituitary D.Hypothalamus

Identify the exocrine gland

A.Pituitary gland B.Adrenal gland C.Salivary gland D.Thyroid gland

Which organ acts as both exocrine gland as well as endocrine gland

A.Pancreas B.Kidney C.Liver D.Lungs

Which one is referred as "Master Gland"?

A.Pineal gland B.Pituitary gland C.Thyroid gland D.Adrenal gland

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Book Back Questions8 textbook MCQs · solved Additional MCQs15 extra MCQs · solved Practice TestInteractive · instant score Additional MCQ TestTest yourself on the extra set

About this Plant and Animal Hormones test

This free online practice test covers Plant and Animal Hormones from the 10th Standard Science (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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