Biology CXC Paper 1 Practice Questions

by Powell

 

This quiz outlines information on living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution.

 
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#1. The most abundant tissues of our body are?

#2. Ordinary table salt is sodium chloride. What is baking soda?

#3. Ecosystems consists of

#4. Alfa toxins are produced by ?

#5. which of the following types of organism does mushroom belongs?

#6. Plant bends towards the source of light on account of the movement of curvature known as

#7. What sensory function do the ears provide other than hearing?

#8. Which best describes why an allele is recessive?

#9. Plants that grow under average temperature and moisture are called?

#10. Pigmentation of skin is due to

#11. kwashiorkor is caused by the lack of ________________ in the diet?

#12. which of the following part of the human brain is the regulating centre for swallowing and vomitting?

#13. A set of ideas that explain a broad set of observations is a:

#14. Male mosquitoes take their food from

#15. The sleeping sickness is caused by?

#16. In a population of long-tailed weasels in central Missouri, individuals that turn white in the winter are rare. Individual weasels that turn white in winter are much more common in the northern part of the weasel’s range. This appears to be an example of:

#17. What does Hyperplasia means?

#18. The maximum fixation of solar energy is done by?

#19. Nuclear transfer was the cloning technique used to produce the sheep, Dolly. Which best describes nuclear transfer?

#20. Oxygen in our blood is transported by a protein named

#21. A mutlicellular organism which is reproduces by budding is

#22. Which of these animals is jaw-less?

#23. What is the name of the male sex hormone called?

#24. Movement of cell against concentration gradient is called?

#25. Which blood group is called the “universal donor”?

#26. During sleeps the human blood pressure?

#27. Norepinephrine increases

#28. What does ‘Corpus Luteum ‘ secrete?

#29. Xenobiotics which are inherently resistant to microbial attack are called as ?

#30. Outside the Nuclei DNA is found in

#31. which vitamin is provided by sunlight to the body?

#32. Night blindness is cause by lack of which vitamin?

#33. The number of chromosomes in Down’s syndrome is

#34. Iodine test is used to detect ?

#35. The most healthy edible oil for the heart is ?

#36. Allantios of Embryo helps in

#37. Phloem is a tissue found in?

#38. Reproduction is important for living organisms in order to

#39. Which veins bring clean blood from the lungs to the heart?

#40. one of the best solution to get rid of non-biodegradable wastes is?

#41. From what plant was paper originally made?

#42. Aranelogy is

#43. BCG Vaccination Bacillus Calmette Guerine is injected to get immunity from

#44. The deficency of which of the following leads to dental caries?

#45. The immunity caused by the B-Lymphocytes is called?

#46. Healing of wounds is hastened by vitamin?

#47. why Plants are killed in winter by frost

#48. Which one of the following characteristics is not necessary in order for an object to be considered living?

#49. What does DNA ligase do during DNA replication?

#50. The most highly intelligent mammals are?

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