Biology Quizzes Stage-1

Here you’ll find the most important and repeated Biology past paper questions Quizzes Stage-1. A perfect way to prepare for top competitive exams and score maximum marks. Good Luck

 

  • Total Quizzes: 50

  •  Total Marks: 50

  • Total Questions: 50

  • Time Allowed: 30 minutes

  • The correct answers will be displayed after the test is completed.

 
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#1. Root hairs are most important to a plant because they ______?

#2. Carbohydrates which digested quickly are called?

#3. Chloroplast is double membrane bounded organelle have semifluid protein containing membrane called ____?

#4. The only source of energy on earth is ____?

#5. Enzymes catalyze chemical reaction by _____ the activation energy.

#6. Colourless, irregular in shape, nucleated and larger sized cell than R.B.Cs called?

#7. Conversion of free energy into different forms by living organisms is called?

#8. Wave of rhythmic movements of muscle contraction and relaxation called?

#9. In the human body there are more than _____ known enzymes.

#10. Dead cells of xylem vessels arranged vertically have empty space inside called?

#11. In living organisms energy is stored in a special molecule called?

#12. Each mole of glucose produce maximum energy i.e ______?

#13. Loss of internal water of plant in the form of vapours from aerial parts of plants is called?

#14. Liquid secreted by the pancreas, which contains a variety of _____?

#15. Fertilizers are substances containing chemical elements such as manure or mixture of ______?

#16. Bio elements considered as vital for life are ______ members or in numbers.

#17. High solubility of fertilizers also degrades ecosystem through _____?

#18. Each gram fat supplies the body with about ______ calories.

#19. Enzyme changes in pH can cause enzymes to ______?

#20. As temperature increases, initially the rate of reaction will _____?

#21. Sea food is an excellent source of protein because it’s usually low in ______?

#22. Opening and closing of stomata is also regulated by ___?

#23. Root hair is long, thin and tubular structure, it increases surface area which increases the _____?

#24. Scientific name of frog is ____?

#25. A group of similar cells combine together to form _____?

#26. Relaxation of heart muscles and allowing the chambers to fill with blood called?

#27. Volvox is a polyphyletic genus of _______?

#28. Which processes involve mitosis?

#29. Presence of enzyme does not affect the nature or properties of ______?

#30. Activity of enzymes can be enhanced by ____?

#31. A type of cancer that affects the blood, bone marrow and lymphatic system called?

#32. Plant utilizes simple inorganic molecules (CO2 and H2O) to prepare _____?

#33. Nutrients that are needed in the highest concentration called?

#34. In chloroplast different pigments absorb light of different _____?

#35. All are postulates of cell theory except?

#36. The breakdown of food molecules to release energy is called?

#37. Photosynthesis is the only process which produces free O2 by splitting _____?

#38. Study of remote past organic life, with the help of fossils?

#39. Which of these are involved in the clotting of blood?

#40. Pumping of blood by the rhythmic pulsation of heart throughout the body is called?

#41. In human heart blood returning from lungs first drains into the _____?

#42. Inherited condition that affects the blood hemoglobin called _____?

#43. In constructive reaction _____ molecules are formed.

#44. Enzymes are ______?

#45. The cause of malaria is _____?

#46. Feeding sequences and relationships are called?

#47. In flowering plants xylem is made up of ____ types of tissues.

#48. Small portion of enzyme where substrate attach with enzyme called _____?

#49. Iron deficiency is associated with decreased cognitive abilities and resistance to _____?

#50. Living organisms which derive their food from dead and decaying organic materials called?

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