Question of Exercise 1

Separation of Plants of Class 6

Question
Most of the substances we see around us are

Answer

Option 1 Pure elements

Option 2 Pure compounds

Option 3 Impure elements

Option 4 Mixture

Frequently Asked Questions

Identify the plural form of the following noun: tomato

 

A: tomatoes

B: tomatos

C: tomatoez

D: tomatows

Solution:

Explanation: 

  • The plural form of any noun is the word used when there is more than one entity of any certain something.
  • So, for the given word ‘tomato’, the plural form is ‘tomatoes’.
  • Options B, C, and D are wrong as they are spelled incorrectly.

Final Answer: The correct answer option is A i.e., tomatoes.

Name the following

(a) The three hormones produced by pancreas
 
(b) The hormone produced by adrenal medulla
 
(c) The condition caused by the over secretion of insulin
 
(d) The hormone secreted by beta cells of the islets of Langerhans
 
(e) The hormone which increases blood pressure
 
(f) The hormone causing more urine formation
 
(g) The hormone which stimulates the entire sympathetic nervous system
 

Solution:

(a) Insulin, glucagon, somatostatin
 
(b) Adrenaline
 
(c) Hypoglycemia
 
(d) Insulin
 
(e) Adrenaline
 
(f) Anti-diuretic hormone (Vasopressin)
 
(g) Adrenaline
 

The deficiency of ADH causes

(a) diabetes mellitus
 
(b) diabetes insipidus
 
(c) dwarfism 
 
(d) acromegaly

Solution:

(b) diabetes insipidus
 

Exophthalmic goitre is caused due to the overactivity of

(a) thymus 
 
(b) thyroid
 
(c) parathyroid 
 
(d) adrenal cortex

Solution:

(b) thyroid

A gland having endocrine as well as exocrine function is

(a) Pituitary 
 
(b) Thyroid
 
(c) Pancreas 
 
(d) adrenal

Solution:

(c) Pancreas
 

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