Class 11BiologyChemical Coordination and IntegrationMix Examples-Chemical Coordination and Integration
MediumSelect the correct option regarding the endocrine systems of invertebrates and vertebrates.
- AInvertebrates - Simple endocrine system with few hormones; Vertebrates - Complex endocrine system with many hormones.
- BInvertebrates - Complex endocrine system with many hormones; Vertebrates - Simple endocrine system with few hormones.
- CInvertebrates - Endocrine system absent; Vertebrates - Simple endocrine system with few hormones.
- DInvertebrates - Endocrine system absent; Vertebrates - Complex endocrine system with many hormones.
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Similar Questions
The effect of different hormones on the body can be best described as bringing about:
Medium
View SolutionMatch the entries in Column-$I$ with those of Column-$II$ and choose the correct answer given below.
Column-$I$ Column-$II$ $A$. $FSH$ $(p)$ Normal growth $B$. $GH$ $(q)$ Ovulation $C$. Prolactin $(r)$ Parturition $D$. Oxytocin $(s)$ Water diuresis $(t)$ Milk secretion
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. $FSH$ | $(p)$ Normal growth |
| $B$. $GH$ | $(q)$ Ovulation |
| $C$. Prolactin | $(r)$ Parturition |
| $D$. Oxytocin | $(s)$ Water diuresis |
| $(t)$ Milk secretion |
Give scientific reasons:
$(1)$ Hormones are regulatory chemicals.
$(2)$ Less secretion of thyroxine results in stunted growth of a person.
$(3)$ Deficiency of insulin results in diabetes mellitus.
$(4)$ Pancreas is an exocrine and endocrine gland.
$(1)$ Hormones are regulatory chemicals.
$(2)$ Less secretion of thyroxine results in stunted growth of a person.
$(3)$ Deficiency of insulin results in diabetes mellitus.
$(4)$ Pancreas is an exocrine and endocrine gland.
Medium
View SolutionMatch the following columns and select the correct option.
Column-$I$ Column-$II$ $(a)$ Pituitary gland $(i)$ Grave's disease $(b)$ Thyroid gland $(ii)$ Diabetes mellitus $(c)$ Adrenal gland $(iii)$ Diabetes insipidus $(d)$ Pancreas $(iv)$ Addison's disease
| Column-$I$ | Column-$II$ |
| $(a)$ Pituitary gland | $(i)$ Grave's disease |
| $(b)$ Thyroid gland | $(ii)$ Diabetes mellitus |
| $(c)$ Adrenal gland | $(iii)$ Diabetes insipidus |
| $(d)$ Pancreas | $(iv)$ Addison's disease |
Statement-$I$: Melatonin helps in maintaining the normal rhythms of sleep-wake cycle and body temperature.
Statement-$II$: Thymosin plays a major role in the differentiation of $T$-lymphocytes.
Choose the correct answer from the options given below.
Statement-$II$: Thymosin plays a major role in the differentiation of $T$-lymphocytes.
Choose the correct answer from the options given below.
Medium
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