Biology General Knowledge Questions and Answers – Set 3

Q1. Periplaneta americana differs from Blatta orientalis in having:
A. No wings
B. Developed wings
C. Only first pair of wings
D. Only second pair of wings

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Q2. Harmful insect for the leaves and stem of sugarcane is –
A. Pyrilla
B. Agrotis
C. Leptocorisa
D. Idiocercus

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Q3. If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is :-
A. Excretory fluid
B. Mucous
C. Haemolymph
D. Coelomic fluid

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Q4. Similarity between housefly and mosquito is that both have
A. Two pairs of fully developed wings
B. Sponging Mouthparts
C. Long Antennae
D. Larval forms

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Q5. Which all of the following are vector hosts?
A. Sand fly, Tse tse fly, House fly, Culex
B. Tse tse fly, Trypansoma, Sand fly, Leishmania
C. House fly, Plasmodium, Monocystis, Culex
D. Bed bug, Silver fish, Ratflea, Entamoeba

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Q6. The drug used in Ascariasis is
A. Shesham oil
B. Oil of Chenopodium
C. Chloroquinone
D. Tarcamphor

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Q7. In a cymose type of inflorescence, the growth of the main axis terminates in a:
A. Branch
B. Leaf
C. Bract
D. Flower

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Q8. Which can function as carrier in active ion absorption?
A. Ferredoxin
B. Plastoquinone
C. Cytochrome
D. Lecithin

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Q9. Insectivorous plants grow in:
A. Nitrogen rich soil
B. Nitrogen deficient soil
C. Potassium deficient soil
D. Carbohydrate rich soil

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Q10. The first CO2 acceptor in C4 plants is:
A. PGA
B. PEP
C. RuBP
D. OAA

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