Growth Harmone_MCQ_Basic Level

Growth Harmone - Basic

Dear Readers,

Growth hormone (GH) or somatotropin, also known as human growth hormones (hGH or HGH) in its human form, is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans and other animals.

Q1. In which of the following respect, the plant hormones differ from enzymes

•  Required in less quantity
•  They are expanded in the process
•  They release some energy
•  None of the above

They are expanded in the process

Q2.  If the growing coleoptile tip is cut

•  Phototropism stops
•  Phototropism increase more
•  Rate of photoperiodism remains unchanged
•  None of the above

Phototropism stops

Q3. Which of the following is plant hormone

•  Auxin
•  Morphactin
•   Gibberellin
•  All the above

All the above

Q4. Phenyl acetic acid is a

•  Natural plant hormone
•   A synthetic growth hormone
•  Antihormone compound
•  None of the above

A synthetic growth hormone

Q5. Etiolation in plants is caused when they

•  Are grown in dark
•  Have mineral deficiency
•  Are grown in intense light
•  Are grown in blue light

Are grown in dark

Q6. Enzymes, vitamins and hormones can be classified into a single category of biological chemicals because all of them

•  Aid in regulating metabolism
•  Are proteins
•  Are synthesized within the body
•  Enhance the oxidative metabolism

Aid in regulating metabolism

Q7. Phytohormones are

•  Phytohormones are
•  Growth regulators synthesised by plants and influencing physiological processes
•  Hormones regulating flowering
•   Hormones regulating secondary growth

Growth regulators synthesised by plants and influencing physiological processes

Q8. Who used the term ‘phytohormones’ for plant hormone

•  Balis
•  Morgan
•  Went
•  Thimann

Thimann

Q9. Substances which originate at the tip of stem and root and control the growth of different organs are

•  Enzymes
•  Hormones
•  Vitamins
•  Food substances

Hormones

Q10. A tissue that does not form hormones is

•  Xylem
•  Sclerenchyma
•  Both (a) and (b)
•  None of these

Both (a) and (b)