Biology GK MCQ Questions SET-4 with Answers free PDF Download

We have provide GK MCQ Questions for Biology GK questions with Answers free PDF. Download based on the important concepts and topics given in the textbook as per new exam pattern. All these Biology GK MCQs Multiple Choice Questions with Answers provided here with detailed solutions. Use them as reference and be confident in the actual exam by practicing the MCQ Quiz Questions of Biology GK as much as you can. Each question has four options followed by the right answer.

MCQ Questions for Biology GK with Answers

Q1. Which hormone causes emotional disturbance?

(i) Thyroxine
(ii) Oxytocin
(iii) Vasopressin
(iv) Adrenalin

(ii) Oxytocin

Q2. Which blood group is called universal donor?

(i) AB-
(ii) O-
(iii) AB+
(iv) O+

(ii) O-

Q3. Rate of breathing in a minute by man is

(i) 16-18
(ii) 20-25
(iii) 11-15
(iv) 70-72

(i) 16-18

Q4. Which tissue makes the plant hard and stiff?

(i) Parenchyma
(ii) Sclerenchyma
(iii) Collenchyma
(iv) Xylem

(ii) Sclerenchyma

Q5. Strongest bone of body is found in

(i) Thigh
(ii) Jaw
(iii) Shoulder
(iv) Neck

(ii) Jaw

Q6. The largest invertebrate is

(i) Octopus
(ii) Squid
(iii) Coral
(iv) Jelly fish

(ii) Squid

Q7. A vehicle borne transmitted diseases are

(i) Plague and Malaria
(ii) Chicken Pox and Tetanus
(iii) Mumps and Common cold
(iv) Eye infection and influenza

(i) Plague and Malaria

Q8. Which of the following is found in plant cells but not in animal cells?

(i) Cell Wall
(ii) Vacuoles
(iii) Plasma layer
(iv) Golgi complex

(i) Cell Wall

Q9. Chlamydomonas prefers water rich in

(i) Ammonic compounds
(ii) Uric acid compounds
(iii) Sulphur compounds
(iv) Urea compounds

(i) Ammonic compounds

Q10. The ecosystem of a pond is referred as

(i) Lotic
(ii) Lentic
(iii) Xeric
(iv) Benthic

(ii) Lentic

Q11. How many chambers does a human heart have?

(i) 2
(ii) 4
(iii) 6
(iv) 7

(ii) 4

Q12. Plants that grow under average temperature and moisture are called:

(i) halophytes
(ii) hydrophytes
(iii) mesophytes
(iv) xerophytes

(iii) mesophytes

Q13. Ozone hole refers to

(i) hole in ozone layer
(ii) decrease in the ozone layer in troposphere
(iii) decrease in thickness of ozone layer in stratosphere
(iv) increase in the thickness of ozone layer in troposphere

(iii) decrease in thickness of ozone layer in stratosphere

Q14. During rainy season wooden doors are difficult to open or closure because of ?

(i) Imbibition
(ii) Plasmolysis
(iii) Diffusion
(iv) Osmosis

(i) Imbibition

Q15. Which division provides a means of transmitting unchange information to the daughter cells?

(i) Mitosis
(ii) Meiosis
(iii) Binary fission
(iv) Fragmention

(i) Mitosis

Q16. Radish is a

(i) bulb
(ii) conn
(iii) modified root
(iv) tuber

(iii) modified root

Q17. Guttation takes place due to the development of which of the following?

(i) Cells
(ii) Transpiration
(iii) Root pressure
(iv) All of the above

(iii) Root pressure

Q18. Main nitrogenous product formed in man is

(i) Urea
(ii) Ammonia
(iii) Uric acid
(iv) Ammonium nitrate

(i) Urea

Q19. Movements due to light are shown by

(i) flowering plants
(ii) lower plants
(iii) all land plants
(iv) all the plants

(i) flowering plants

Q20. Which of the following pollutants can cause human kidney disorder?

(i) Cadmium
(ii) Iron
(iii) Cobalt
(iv) Carbon

(i) Cadmium

Q21. Which organ filters blood in human body?

(i) Lungs
(ii) Heart
(iii) Liver
(iv) Kidneys

(iv) Kidneys

Q22. Organic Substances which, in very small amounts, control growth and development called

(i) vitamins
(ii) hormones
(iii) enzymes
(iv) None of the above

(ii) hormones

Q23. The study of Improvement of human race by improving environment is known as ?

(i) Euthenics
(ii) Eugenics
(iii) Euphenics
(iv) Etiology

(i) Euthenics

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