10th Class Biology – Important Multiple Choice Questions – Objective Type Bits

Here we are giving important multiple choice / objective type questions in Biology subject for 10th Class students of AP and Telangana State boards. The bits / questions are also useful for other Boards which have objective questions in their examinations. The questions cover entire syllabus.

1. Time takes for cardiac cycle is ……
A) 0.5 sec B) 0.4 sec C) 0.8 sec D) 0.6 sec

2. Substance which is used as medicine for snake bite?
A) Reserpine B) Quinine C) Morphine D) Cobalamin

3. Iodine is used for testing of …….
A) Glucose B) Light C) Starch D) CO2

Also Read: How to score good marks in 10th Class Biology

4. The pulse rate in new born baby is ……..
A) 100-150 B) 90-140 C) 80-120 D) 70-130

5. DNA was invented in 1953 by …….
A) James Watson B) Francis Crick C) Mendel D) Watson & Crick

6. Part of the brain that stimulates hunger
A) Medulla B) Diencephalon C) Cerebrum D) Mid Brain

7. Peristaltic movements are seen in this part of alimentary canal …….
A) Oesophagus B) Stomach C) Small intestine D) All above

8. The pH condition of saliva is ………
A) Alkaline B) Acidic C) Neutral D) All above

9. The concept of Ecological Pyramid was first proposed by ………
A) Charles Elton B) Lamark C) Lindeman D) Steel

10. Sustainable Development means ………
A) Prevention of wastage B) Stable growth
C) Development without damage D) High yielding in less time

11. In Latin ‘lymph’ means ………
A) Blood B) Water C) Urine D) Plasma

12. Which plants that adopted to grow on field bunds to make soil nitrogen-rich?
A) Groundnut B) Bougainvillea C) Eucalyptus D) Gliricidia

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13. Bolus is formed in ………
A) Mouth B) Oesophagus C) Stomach D) Liver

14. 97% of water on the earth is
A) Fresh water B) Ground water C) sewage water D) Salt water

15. The following organism takes the food by parasitic nutrition.
A) Yeast B) Mushrooms C) Cuscuta D) Leeches

16. In single celled animals the food is taken……
A) By the entire body surface B) Mouth C) Teeth D) Vacuoles

17. The digestive juice without enzyme is ……
A) Bile B) Gastric juice C) Pancreatic juice D) Saliva

18. Cluster of air sacs in lungs are ………
A) Alveoli B) Bronchi C) Bronchioles D) Air spaces

19. In the cell energy is stored in ………
A) Nucleus B) Mitochondria C) Ribosomes D) Cell Wall

20. Mangrove trees respire with their ………
A) Lungs B) Stomata C) Aerial roots D) Leaves

21. The vitamin synthesized by bacteria present in intestine ………
A) Folic Acid B) Niacin C) Cyanocobalamine D) Retinol

22. The finger like projections which increase the surface area in small intestine ………
A) Villi B) Alveolus C) Pancreas D) Epiglottis

23. The term cardiac refers to ………
A) Heart B) Veins C) Lymph D) Capillaries

24. The structures that control the flow of the blood ………
A) Arteries B) Veins C) Valves D) Capillaries

25. The structural and functional units of human kidney are ………
A) Neuron B) Nephron C) Nephridia D) Flame cell

26. Major component of waste in urine is ……..
A) Urea B) Sodium C) Water D) creatine

27. First kidney transplantation was performed by ………
A) Charles Hufnagel B) Charles Elton C) Charles Darwin D) Mendel


1-C, 2-A, 3-C, 4-A, 5-D, 6-B, 7-D, 8-A, , 9-A, 10-C, 11-B, 12-D, 13-A, 14-D, 15-C, 16-A, 17-A, 18-A, 19-B, 20-C, 21-C, 22-A, 23-A, 24-C, 25-B, 26-A, 27-A.

Objective Questions – SET – 2

1. Read the following statements
a) Protein deficiency causes Kwashiorkor
b) Marasmus is caused only by calorie deficiency
A) a and b are true B) a – true, b – false
C) a – false, b- true D) a and b are false

2. If plant is kept in dark room …….. does not take place.
A) Respiration B) Reproduction
C) Photosynthesis D) Water transportation

3. The animal with trachea ……..
A) Earthworm B) Bony fish C) Butterfly D) Salamandar

4. The golden yellow coloured fluid left after the blood clotting ………
A) Plasma B) Serum C) Lipid D) Lymph

5. The number of pairs of cranial nerves in man…
A) 31 B) 12 C) 43 D) 44

6. Deficiency of Folic acid causes …….
A) Anaemia B) Pellagra C) Glossitis D) Rickets

7. Acid present in gastric juice …….
A) Sulphuric acid B) Hydrochloric acid C) Nitric acid D) Acetic acid

8. What is the reason for yellow colour of the urine?
A) Urochrome B) Bilirubin C) Biliverdin D) Chlorides

9. The gland associated with diabetes
A) Pancreas B) Thyroid C) Adrenal D) Pituitary

10. Vocal cords can be seen at ………
A) Trachea B) Larynx C) Nasal Cavity D) Pharynx

11. Animal in which malphigian tubules as excretory organs ………
A) Earthworm B) Housefly C) Tape worm D) Hen

12. The part in male reproductive system which produce sperm cells.
A) Vas deference B) Testes C) Urinary bladder D) Scrotum

13. Gas that causes global warming ………
A) Oxygen B) Hydrogen C) CO2 D) Nitrogen
14. The part of the body which is called second brain ………
A) Small intestine B) Large intestine C) Stomach D) Mouth

15. Sri Ramsagar project is on the following river ………
A) Krishna B) Yamuna C) Ganga D) Godavari

16. The chambers in human heart ………
A) 1 auricle, 1 ventricle B) 2 auricles, 1 ventricle
C) 1 auricle, 3 ventricles D) 2 auricles, 2 ventricles


1-B, 2-C, 3-C, 4-B, 5-B, 6-A, 7-B, 8-A, 9-A, 10-B, 11-B, 12-B, 13-C, 14-A, 15-D, 16-D.

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