Biology MCQs

31. Which of the following vectors is responsible for transmitting the parasite causing filariasis?
[A] Anopheles mosquito
[B] Aedes mosquito
[C] Tse Tse fly
[D] Culex mosquito

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32. A trait produced by the effect of a gene or an allele is called__
[A] Oncogenic Trait
[B] Monogenic trait
[C] Polygenic trait
[D] None of these

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33. Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in ____:
[A] Peas
[B] Oats
[C] Corn
[D] Wheat

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34. Somatotropin is another name for _____:
[A] Growth hormone
[B] Digestive juice
[C] Tear gas
[D] Laughing gas

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35. In a humans heart the bicuspid valve is situated between ____:
[A] Right auricle and right ventricle
[B] Postcaval and auricle
[C] Left auricle and left ventricle
[D] Right ventricle and pulmonary aorta

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36. Pinna (external ear) is present in
____:
[A] Amphibian
[B] Fish
[C] Mammal
[D] Reptile

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37. Blood cancer is otherwise called as ____:
[A] Anaemia
[B] Leukaemia
[C] Leucopenia
[D] Polycythemia

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38. Which of the following plant pigments absorbs in red and far red region of light?
[A] Phytochrome
[B] Cryptochrome
[C] Carotenoide
[D] Chlorophyll

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39. Bark of which tree is used as a condiment?
[A] Palm
[B] Neem
[C] Cinnamon
[D] Clove

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40. The red, orange and yellow colours of leaf is due to ____:
[A] Aldehydes
[B] Tannis
[C] Carotenoid
[D] Lignins

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