Dakshana Cumulative Test Class 10 "Biology - I"

1] The end product of fat digestion is

i. Glucose
ii. Fatty acids and Glycerol
iii. Amino acids
iv. Alkaloids

2] The action of bile can be called

i. Oxidation
ii. Emulsification
iii. Esterification
iv. Dehydrogenation

3] Saliva converts

i. Proteins into amino acids
ii. Glycogen into glucose
iii. Starch into maltose
iv. Fats into vitamins

4] Which set is mixed with the food in small intestine?

i. Saliva, gastric juice, bile
ii. Gastric juice, bile, pancreatic juice
iii. Bile, pancreatic juice, succus entericus
iv. Bile, pancreatic juice and saliva

5] A good source of lipase is

i. Saliva
ii. Gastric juice
iii. Bile
iv. Pancreatic juice

6] Each guard cells contain :

i. Leucoplasts
ii. Chloroplasts
iii. Starch
iv. Oil and protein granules

7] Grana are present inside :

i. Mitochondria
ii. Golgi bodies
iii. Chloroplast
iv. Ribosome

8] In dark, the guard cells are :

i. More turgid
ii. Not turgid
iii. Less turgid
iv. None of these

9] In dicot plants, stomata are found in :

i. Lower and upper surface of the leaf
ii. Lower surface of the leaf
iii. Tip of the leaf
iv. Upper surface of the leaf

10] The shape of stomata in monocot plant is :

i. Kidney shape
ii. Dumb-bell shape
iii. Bean shape
iv. Heart shape

11] A normal man respires in a minute

i. 10-15 times
ii. 14-18 times
iii. 20-25 times
iv. 25-30 times

12] In anaerobic respiration

i. O₂ is given out
ii. O₂is taken in
iii. CO₂ is taken in
iv. None of these

13] The exchange of gases [O₂ and CO₂] in a mammal takes place in

i. Trachea
ii. Bronchi
iii. Bronchioles
iv. Alveoli

14] During inspiration muscles of diaphragm

i. Contracts
ii. Expands
iii. No effect
iv. Coiled like string

15] Expiration involves

i. Relaxation of diaphragm and intercostal muscles
ii. Contraction of diaphragm and intercostal muscles
iii. Contraction of only diaphragm muscles
iv. Contraction of only intercostal muscles

16] Tricuspid valve is present between :

i. Right atrium and right ventricle
ii. The two atria
iii. The two ventricles
iv. Left atrium and left ventricle

17] Which of the following has the thickest walls ?

i. Right ventricle
ii. Left ventricle
iii. Right auricle
iv. Left auricle

18] The pacemaker of heart is :

i. AV node
ii. SA node
iii. SV node
iv. Tricuspid valve

19] Contraction of right ventricle pumps blood into :

i. Dorsal aorta
ii. Pulmonary artery
iii. Pulmonary vein
iv. Coronary artery

20] The impulse of heartbeat originates from :

i. SA node
ii. Vagus nerve
iii. AV node
iv. Cardiac nerve

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