CBSE Class 10 Science Worksheet
Unit II: World of Living - Control and co-ordination in animals and plants
1.
Which of the following is not an involuntary action?
A)
Salivation
B)
Heart beat
C)
Vomiting
D)
Chewing
2.
Choose the correct answer: The upward and downward growth of shoots and roots, respectively, in response to the pull of earth or gravity is known as _____________________.
A)
Geotropism
B)
Hydrotropism
C)
Phototropism
D)
chemotropism
3.
Which of the following hormone regulate water and electrolyte balance in the body?
A)
Vasopressin
B)
Tropic
C)
Oxytocin
D)
Prolactin
4.
Choose the correct answer: The movement of shoot towards light is known as _______________.
A)
Geotropism
B)
Phototropism
C)
hydrotropism
D)
Chemotropism
5.
Dwarfism is due to hyposecretion of growth hormones.
A)
TRUE
B)
FALSE
6.
Fill in the blanks: The sensory receptor which is found on the tongue is _____________.
7.
What are nastic movements?
8.
Fill in the blanks: Iodine is necessary for the synthesis of ____________ hormone.
9.
Choose the correct answer: The plant which promotes the transverse growth is ______________.
A)
Gibberelin
B)
Abscisic acid
C)
Auxin
D)
Ehylene
10.
Choose the correct answer: The endocrine associated with the brain is _____________.
A)
Adrenal
B)
Pancreas
C)
Pituitary
D)
Thyroid
11.
Choose the correct answer: Spinal cord originates from _______________________.
A)
Medulla
B)
Cerebrum
C)
Pons
D)
Cerebellum
12.
Fill in the blanks: The hormone which is responsible for developement of moustache and beard in males is _______________.
13.
Fill in the blanks: _______________ hormone increases the fertility in males.
14.
State True or False: Blinking of eyes is a voluntary action.
A)
TRUE
B)
FALSE
15.
Choose the correct answer: The growth of pollen tubes towards ovules is due to _________________.
A)
Geotropism
B)
Hydrotropism
C)
Chemotropism
D)
None of these
16.
1.Dyspnea, cough, expectoration,
weakness, and edema are classic signs and
symptoms of which of the following
conditions?
A)
A.Pericarditis
B)
B.Restrictive cardiomyopathy
C)
C.Cardiac tamponade
D)
D.All the above
17.
Fill in the blanks: Junction between the two neurons is called___________.
18.
Fill in the blanks: Disease caused by deficiency of iodine is ____________.
19.
Fill in the blanks: The main thinking part of human brain is ________________________.
20.
Choose the correct answer: The part of brain which controls voluntary actions is ________________.
A)
Medulla
B)
Cerebrum
C)
Cerebellum
D)
None of these
CBSE Class 10 Science Worksheet
Unit II: World of Living - Control and co-ordination in animals and plants
Answers
1.
Option D
2.
Option A
3.
Option A
4.
Option B
5.
Option A
6.
Gustatory receptor
7.
The non - directional movements to stimuli due to changes in turgor or growth.
8.
Thyroxine
9.
Option D
10.
Option C
11.
Option A
12.
Testosterone
13.
Testosterone
14.
Option B
15.
Option C
16.
Option B
17.
Synapse
18.
Goitre
19.
Cerebrum
20.
Option C