I am providing you the sample question paper of Botany of Tamil Nadu Public Service Commission (TNPSC) Group I Exam

TNPSC Group I Exam Botany question paper

1. Which acid is produced when milk gets sour?
Lactic acid

2. For which one among the following diseases no vaccine is yet available?
malaria

3. Who found Binomial nomenclature?
Carl Linnaeus

4. The deficiency of which one of the following leads to dental caries?
fluorine

5. Production of which one of the following is a function of the liver?
urea

6. What is the name of the botanical name of paddy?
oryza sativa

7. Food wrapped in newspaper is likely to get contaminated with
lead

8. Which one of the following vitamins is essential for poor bone and teeth formation?
Vitamin D

9. More rate of photosynthesis occurs in
white light

10. Azadiracta indica is the botanical name of
neem

11. Where is sessile leaves present?
calotropis

12. The term chromosome was given by
W. Waldeyer

13. Which one of the following is a skin disease?
pellagra

14. Polio is caused by
virus

15. Fresh foods and fruits contain more of
vitamins

16. Paddy straw is stiff because of
silica

17. Brain fever is spread to man by
mosquito

18. Which one among the following produces seeds but not flowers?
groundnut

19. Human heart contains
4 chambers

20. Pulses contain large amount of
meiosis

21. A dye is prepared from
indigofera

22. Which plant was used by Mendel in his early experiment?
pea plant

23. The tallest living tree is
sequoia

24. The major part of solar radiation is harvested by the
plants

25. Healing of wounds is hastened by vitamin
C

26. What is the main function of RNA?
protein synthesis

27. DNA structure was discovered by
Watson and Crick

28. Which soil is rich in organic debris?
humus soil

29. Who discovered nucleus?
Robert Brown

30. The major part of solar radiation is harvested by the
plants