Q. Which technology is used to enhance food production by monitoring crop health?
-
A.
Drones
-
B.
Tractors
-
C.
Irrigation systems
-
D.
Hand tools
Solution
Drones are used in agriculture to monitor crop health, assess field conditions, and optimize inputs.
Correct Answer:
A
— Drones
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Q. Which type of bacteria is commonly used in yogurt production?
-
A.
Lactobacillus
-
B.
Escherichia coli
-
C.
Staphylococcus
-
D.
Bacillus cereus
Solution
Lactobacillus is a beneficial bacteria used in the fermentation process to produce yogurt.
Correct Answer:
A
— Lactobacillus
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Q. Which type of blood vessel carries oxygenated blood away from the heart?
-
A.
Veins
-
B.
Capillaries
-
C.
Arteries
-
D.
Arterioles
Solution
Arteries carry oxygenated blood away from the heart to the rest of the body.
Correct Answer:
C
— Arteries
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Q. Which type of flower has both male and female reproductive structures?
-
A.
Unisexual
-
B.
Bisexual
-
C.
Complete
-
D.
Incomplete
Solution
Bisexual flowers contain both male (stamens) and female (pistils) reproductive structures.
Correct Answer:
B
— Bisexual
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Q. Which type of immunity is acquired through vaccination?
-
A.
Innate immunity
-
B.
Passive immunity
-
C.
Active immunity
-
D.
Cell-mediated immunity
Solution
Active immunity is acquired through vaccination, where the body produces its own antibodies.
Correct Answer:
C
— Active immunity
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Q. Which type of mutation can result from the insertion or deletion of nucleotides?
-
A.
Silent mutation
-
B.
Point mutation
-
C.
Frameshift mutation
-
D.
Missense mutation
Solution
A frameshift mutation occurs when nucleotides are inserted or deleted, altering the reading frame of the genetic code.
Correct Answer:
C
— Frameshift mutation
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Q. Which type of pollination occurs when pollen is transferred between flowers of the same species?
-
A.
Self-pollination
-
B.
Cross-pollination
-
C.
Wind pollination
-
D.
Water pollination
Solution
Cross-pollination occurs when pollen from one flower fertilizes the ovules of another flower of the same species.
Correct Answer:
B
— Cross-pollination
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Q. Which type of RNA is primarily involved in protein synthesis?
-
A.
mRNA
-
B.
tRNA
-
C.
rRNA
-
D.
snRNA
Solution
mRNA (messenger RNA) carries the genetic code from DNA to the ribosome for protein synthesis.
Correct Answer:
A
— mRNA
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