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. Which best describes why an allele is recessive?

#2. Male mosquitoes take their food from

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

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

#5. The most highly intelligent mammals are?

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

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

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

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

#10. Aranelogy is

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

#12. Outside the Nuclei DNA is found in

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

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

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

#16. Norepinephrine increases

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

#18. During sleeps the human blood pressure?

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

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

#21. What does Hyperplasia means?

#22. Allantios of Embryo helps in

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

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

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

#26. Iodine test is used to detect ?

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

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

#29. Healing of wounds is hastened by vitamin?

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

#31. 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:

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

#33. The sleeping sickness is caused by?

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

#35. Alfa toxins are produced by ?

#36. From what plant was paper originally made?

#37. Ecosystems consists of

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

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

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

#41. why Plants are killed in winter by frost

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

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

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

#45. Phloem is a tissue found in?

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

#47. What does ‘Corpus Luteum ‘ secrete?

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

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

#50. Pigmentation of skin is due to

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