BIOLOGY MCQ FOR CHT ,

CGL,CHSL,NEET,OSSTET

Q1. Which artery carries oxygenated blood from the lungs to the heart?

ans - polumnary artery

Q2. Which plant tissue is responsible for transport of water & minerals from roots to the leaves?

Ans -xylem

Q3. Which plant tissue is responsible for transport of food from leaves to all body parts?

Ans - Phloem

Q4.  In which part of the plant body exchange of gaseous molecules occurs?

Ans - Stomata

Q5. Which of the following organisms reproduce by spore formation?

Ans - Rhizopus

Q6.  What is the mode of transmission of disease Yellow Vein Mosaic of Bhindi?

Ans - Insect

Q7.  What % of solar energy is absorbed by terrestrial ecosystem?

Ans - 1 %

Q8.  Digestion of food begins in which part of the alimentary canal in human beings?

Ans - Mouth                      eduodialifejkc.blogspot.com                          

Q9.  In which part of the stomach fats are dissolved?

Ans - Small intestine

Q10.  ----------are commonly known as Comb Jellies?

Ans - Ctenophora   

Q11. Name the glands that control the functioning of other endocrine glands?

Ans - Pituitary gland

Q12.  In which cells in our body are popularly called “Soldiers of the Human Body “?

Ans - WBC

Q13.   Which hormone leads to the expulsion of milk from the breast during suckling?

Ans - Prolactin

Q14. Which of the following hormones is the female sex hormone ?

Ans - Estrogen & Progesterone                          

Q15.   Which of the following hormone is the male sex hormone?

Ans - Testosterone

Q16.    Which of the following is a communicable disease?

Ans - Measles 

Q17. Which of the following has the highest protein content per gm?

Ans - Soyabean                 eduodialifejkc.blogspot.com                          

Q18. ------------ is a scientific discipline concerned with the study of plant, pollen, spores, & certain microscopic planktonic organisms, in both living & fossil form?

Ans - Palynology

Q19. Study of fossil fuels is known as ---------

Ans - Paleobotany

Q20.  Study of trees is known as ----------------

Ans - Dendrology

Q21. ------------- is the branch of zoology concerned with the study of Amphibians?

Ans - Herpetology

Q22. Study of animal behavior is known as ----------------- 

Ans - Ethology    

Q23. Study of external features of organisms is known as ----------

Ans - Morphology

Q24. -------- is the study of microanatomy of cells, tissues and organs as seen through a microscope.

Ans - Histology

Q25. Study of fishes is known as –

Ans - Ichthyology

Q26. Study of insects is known as –

Ans - Entomology                  eduodialifejkc.blogspot.com                          

Q27. During photosynthesis, green plants use energy from sunlight to synthesize ------------- with carbon dioxide and water.

Ans - Glucose

Q28. In which part of leaves chlorophyll is present?

Ans - Chloroplast      

Q29. Which of the following is NOT a symptom of Wilson’s disease?

Ans - Night blindness

Q30. Which of the following acid found in apple & peers?

Ans - Maleic acid

Q31. Bariatric surgery brings changes in persons -----------.

Ans - Digestive system

Q32. A deficiency of -----------is a disease of rickets.

Ans - Vitamin- D

Q33. What is marble cancer?

Ans - Corrosion of marble due to acid rain

Q34. Which of the following gases reduces the oxygen carrying capacity of the blood?

Ans - Carbon monoxide                                         

Q35. Pollination by birds is called –

Ans - Ornithophily

Q36. Pollination by insects is called –

Ans - Entomophily

Q37. Pollination by animals is called –

Ans - Zoophily

Q38. Who won the Nobel  prize in 1906 for his neuron doctrine?

Ans - Santiago Ramon y cajal

Q39. The deficiency of which nutrient cause’s night blindness?

Ans - Vitamin-a

Q40. The deficiency of which nutrient causes blood clotting?

 Ans - Vitamin-k                    

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