Biology MCQs

31. How many types of joints are present in our body?
[A] 2
[B] 3
[C] 5
[D] 6

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32. Which of the following is best maintains intestinal health?
[A] Starches
[B] Vitamins
[C] Fiber
[D] Fat

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33. Which gland is also known as the “third eye”?
[A] Adrenal glands
[B] Gonads
[C] Pineal gland
[D] None of these

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34. What are the symptoms of brucellosis in animals?
[A] arthritis in cows and pigs
[B] mastitis and lameness in goats
[C] oozing skin lesions in horses
[D] All of the above

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35. Which of the following is a Congenital Disease?
[A] Kwashiorkor
[B] Sickle-cell anemia
[C] Goitre
[D] Rheumatoid Arthritis

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36. Which of Mendel’s laws is against the theory of Blending inheritance?
[A] Law of segregation
[B] Law of dominance
[C] Law of recessive
[D] Law of independent assortment

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37. Which of the following will be pure breeding for only one character?
[A] Hh Rr
[B] HH Rr
[C] HH RR
[D] hh rr

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38. Which is one of the essential nutrients for the growth and development of plants?
[A] Potassium
[B] Phosphorus
[C] Nitrate
[D] Sodium

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39. Which of the following are the important applications of biofertilizers?
[A] Seedling root dip
[B] Soil Treatment
[C] Both 1 and 2
[D] Neither 1 nor 2

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40. What is an autonomously repeating circular extra-chromosomal DNA?
[A] Bacteria
[B] Nitrogenous base
[C] RNA
[D] Plasmid

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