Biology MCQs

31. Which of the following is not a bacterium which causes disease in a poultry farm?
[A] Tapeworm
[B] Haemophilus gallinarium
[C] Salmonella gallinarium
[D] Pasteurella avicida

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32. Which of the following nonpathogenic products is used in various crops as well as horticulture and ornamental plants?
[A] Azotobacter
[B] Fungi
[C] Tricho-Card
[D] None of these

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33. Both, haemoglobin and myoglobin require ____ for formation:
[A] Vitamin A
[B] Vitamin B12
[C] Iron
[D] Calcium

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34. Which of the following cell organells are present only in plant cell?
[A] Lysosomes
[B] Plastids
[C] Mitochondria
[D] Cell membrane

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35. Which one of the following forms the base of vegetable fibres?
[A] Fats
[B] Oils
[C] Cellulose
[D] Proteins

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36. Solitary cymose inflorescence is observed in ____:
[A] Rose
[B] Tuberose
[C] Chinarose
[D] Gardenia

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37. Which of the following vitamins help in the absorption of calcium?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D

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38. Smooth muscles are likely to be found in ____:
[A] Muscles of arms
[B] Heart
[C] Stomach
[D] Muscles of legs

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39. 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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40. Pellagra and Scurvy are caused by which pair of vitamin deficiency respectively ____:
[A] Vitamin C and Vitamin A
[B] Vitamin C and Vitamin D
[C] Vitamin A and Vitamin B-12
[D] Vitamin B-12 and Vitamin C

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