1. If n = 9 x 28 x 26, which of the following is NOT an integer?
A. n/18 B. n/32
C. n/21 D. n/36
Answer B
2. The sum of the first nine natural numbers (1, 2,.....,9) is
A. 90 B. 55
C. 45 D. 100
Answer c
3. If a + b = 10 and a - b = 5, then a²- b² is equal to
A. 50 B. 1/2
C. 5 D. 2
Answer A
4. In which of the following pair of number is the first number or expression necessarily less than the second number or expression?
A. 3/7 ; 9/49
B. x/4 ; 14/x , for x > 0
C. (2/3)² ; 2 /(3²)
D. [(3/7)(24/25)]:1
Answer D
5. Which of the following fractions is greater than 3/4: and less than 5/6?
A. 1/2 B. 4/5
C. 2/3 D. 9/10
Answer B
6. (100 x 5⁴) = ?
A. 62500 B. 76600
C. 67000 D. 77200
Answer A
7. What decimal of an hour is a second?
A. 0.0167 B. 0.000126
C. 0.0256 D. 0.00027
Answer D
8. What least number should be added to 1056, so that the sum is completely divisible by 23?
A. 18 B. 2
C. 3 D. 21
Answer B
9. The largest 4 digit number exactly divisible by 88 is:
A. 9768 B. 9988
C. 9944 D. 8888
Answer C
10. The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
A. 9600 B.9000
C. 9400 D. 9800
Answer A
11. What is the missing number in the following series?
1, 9, 25, 49, (....)
A. 54 B. 56
C. 81 D. 64
Answer C
12. Which of the following is the largest fraction?
A. 7/8 B. 3/4
C. 4/5 D. 7/9
Answer A
13. All of the following are ways to write 20 percent of N, EXCEPT
A. 0.20 N B. 20 N
C. 1/5 N D. 20/100 N
1. Which of the following is the primary pigment responsible for photosynthesis in plants?
a) Chlorophyll
b) Carotenoids
c) Anthocyanins
d) Xanthophylls
2. What is the function of plant stomata?
a) Absorption of water and nutrients
b) Gas exchange
c) Photosynthesis
d) Reproduction
3. Which of the following plant groups does not produce seeds?
a) Angiosperms
b) Gymnosperms
c) Ferns
d) Bryophytes
4. What is the reproductive structure of angiosperms?
a) Cone
b) Flower
c) Sporophyte
d) Sorus
5. What is the primary function of plant leaves?
a) Gas exchange
b) Photosynthesis
c) Water absorption
d) Reproduction
6. What is the purpose of plant cuticle?
a) Protection from herbivores
b) Gas exchange
c) Water retention
d) Nutrient absorption
7. Which of the following is not a characteristic of monocot plants?
a) Parallel leaf veins
b) Netted leaf venation
c) Floral parts in multiples of three
d) Fibrous root system
8. What is the main function of xylem tissue in plants?
a) Transport of water and minerals
b) Photosynthesis
c) Support and structure
d) Nutrient absorption
9. Which plant group includes mosses and liverworts?
a) Bryophytes
b) Gymnosperms
c) Angiosperms
d) Pteridophytes
10. What is the name of the male reproductive organ in a flower?
a) Pistil
b) Stamen
c) Petal
d) Sepal
11. Which of the following is an example of a gymnosperm?
a) Oak tree
b) Pine tree
c) Apple tree
d) Maple tree
12. Which plant group includes flowering plants?
a) Bryophytes
b) Gymnosperms
c) Angiosperms
d) Pteridophytes
13. What is the primary function of plant stems?
a) Photosynthesis
b) Water absorption
c) Support and transport
d) Nutrient storage
14. Which of the following is not a type of plant tissue?
a) Epidermal tissue
b) Ground tissue
c) Vascular tissue
d) Sensory tissue
15. Which plant group includes conifers and cycads?
a) Bryophytes
b) Gymnosperms
c) Angiosperms
d) Pteridophytes
16. What is the process by which water moves through a plant from roots to leaves?
a) Transpiration
b) Photosynthesis
c) Osmosis
d) Capillary action
17. Which of the following is an example of a dicot plant?
a) Wheat
b) Corn
c) Tomato
d) Sugarcane
18. What is the term for the transfer of pollen from the male reproductive organ to the female reproductive organ of a flower?
a) Pollination
b) Fertilization
c) Germination
d) Embryogenesis
19. Which of the following is not a function of plant hormones?
a) Regulating growth and development
b) Responding to environmental stimuli
c) Transporting nutrients
d) Coordinating responses to stress
20. What is the function of the root cap in plants?
a) Protection
b) Nutrient absorption
c) Gas exchange
d) Reproduction
21. Which of the following is an example of a taproot system?
a) Grass
b) Carrot
c) Lily
d) Bamboo
22. What is the name of the process by which plants release oxygen and absorb carbon dioxide?
a) Photosynthesis
b) Respiration
c) Transpiration
d) Germination
📌 Answers
1. a 2. b 3. c 4. b 5. b
6. c 7. b 8. a 9. a10. b
11. b 12. c 13. c 14. d
15. b 16. a 17. c 18. a
19. c 20. a 21. b 22. a