NEET-UG and JEE Main Chemistry · Class 12
Hormones — NEET & JEE Questions
Hormones is a topic in Biomolecules, a Class 12 Chemistry chapter of the NEET-UG and JEE Main syllabus. TestBudy holds 12 published NEET-UG and JEE Main questions on Hormones, each with the marking scheme of the real paper.
- questions
- 12
- shown here
- 10
Five free tests with an account. Your score comes with the result; where you stand is Pro.
Hormones MCQs with solutions
10 of the 12 published questions on this topic, exactly as they appear in a test. Answers and worked solutions come with your result rather than on this page.
Hormones are best described as
- A. chemical messengers produced in the body that regulate target tissues
- B. structural polysaccharides
- C. digestive minerals only
- D. nucleic-acid monomers
Insulin is primarily associated with regulation of
- A. blood glucose concentration
- B. blood clotting only
- C. vision in dim light
- D. DNA replication directly
Adrenaline is commonly associated with
- A. fight-or-flight responses
- B. long-term calcium storage only
- C. blood glucose lowering only
- D. formation of cellulose
Thyroxine is produced by the
- A. thyroid gland
- B. pancreas
- C. adrenal medulla only
- D. pituitary posterior lobe only
A hormone causes a reduction in elevated blood glucose by promoting uptake and storage. Which hormone is most consistent?
- A. Insulin
- B. Adrenaline
- C. Thyroxine
- D. Melatonin
A person experiences an acute stress response with increased heart rate and rapid energy mobilisation. Which hormone is most directly associated?
- A. Adrenaline
- B. Insulin
- C. Calcitonin only
- D. Thyroxine exclusively over seconds
Which hormone class can readily cross cell membranes and often acts through intracellular receptors?
- A. Steroid hormones
- B. Peptide hormones only
- C. All hormones equally
- D. Polysaccharide hormones
Peptide hormones often act through cell-surface receptors because they are generally
- A. not sufficiently lipid-soluble to freely cross the membrane
- B. made only of cholesterol
- C. stored in DNA
- D. permanently bound to membrane lipids
Why can very small concentrations of hormones produce large physiological effects?
- A. Signal-transduction pathways can amplify the initial signal
- B. Hormones violate conservation of mass
- C. Every hormone molecule becomes many atoms
- D. Target cells contain no receptors
A hormone binds a membrane receptor and activates a second messenger cascade. This mechanism is especially typical of
- A. many peptide hormones
- B. all steroid hormones exclusively
- C. cellulose
- D. DNA bases
Common mistakes in Hormones
Recorded against questions in this topic that are not shown above, so none of these points at an answer you can see on this page.
- Assumes chemical classes of hormones do not affect receptor location or signalling mechanism.
- Files insulin among the steroids, or thyroxine among the polypeptides.
Practise this chapter
Reading a question and answering it under a clock are different things. A chapter-length test measures whether the topic went in.