Biology Worksheet With Answers Page 9
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10Ans. (a)
63. The vitamin responsible for antisterile activity is:
(a) vitamin B (b) vitamin E
(c) vitamin K (d) vitamin H
Ans. (b)
64. EEG is done to detect:
(a) heart disorders (b) brain disorders
(c) liver disorders (d) none of the above
Ans. (b)
65. Which of the following is a banned pesticide?
(a)DDT (b)CAN
(c) EDB (d) DNB
Ans. (a)
66. Leaf lamina is modified into two toothed jaws in:
(a) Nepenthes (b) Dionaca
(c) Drosera (d) Utricularia
Ans. (b)
67. Name the hydrophyte which is not free floating?
(a) Wolffia (b) Lenina
(c) Utricularia (d) Eichhornia
Ans. (c)
68. Root cap is not generally present in:
(a) mesophytes (b) halophytes
(c) hydrophytes (d) xerophytes
Ans. (c)
69. Which is not a flightless bird?
(a) Rhea (b) Dromeaus
(c) Apteryx (d) Columba
Ans. (d)
70. When the sepals or petals meet by their edges without overlapping the aestivation is:
(a) imbricate (b) valvate
(c) twisted (d) axillary
Ans. (b)
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