Q221
Open questionWhich one is a mammal?
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Biology GK · all questionsPlant Kindom
Plant Kindom
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449
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Q222
Open questionQuinine, used to treat malaria is obtained from which plant's part?
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Q223
Open questionWho among the following was the first to determine the composition of a virus?
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Q224
Open questionMajor component of cotton is
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Q225
Open questionAccording to Plant (1965), in which of the following types of stomata the subsidiary cells develop from the cells lying around the mother cell of the guard cells?
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Q226
Open questionWe get morphine from
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Q227
Open questionWhich of the following is a type of bryophyte that lives in many environments and is characterised by its small, flattened leaves, root-like rhizoids and peristome?
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Q228
Open questionAssertion (A): Some bacteria can synthesize their own food.
Reason (R): These bacteria have green matter called chloroplasts.
Reason (R): These bacteria have green matter called chloroplasts.
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Q229
Open questionRed chillies are hot because these contain
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Q230
Open questionThe nectaries of grandular tissues present on leaves e.g., at the junction of petiole and leaf blade are known as
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Q231
Open questionFishes survive under the frozen lake, because
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Q232
Open questionThe yeast cells secrete enzymes on the substratum which are collectively called the
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Q233
Open questionAssertion (A): Amoeba reproduces by fission.
Reason (R): All unicellular organisms reproduce by asexual methods.
Reason (R): All unicellular organisms reproduce by asexual methods.
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Q234
Open questionWhich of the following divisions of plants does not have a well differentiated body?
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Q235
Open questionA group of archae bacteria is used in the production of
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Q236
Open questionWho among the following for the first time made recognition of existence of latex, bulbs, ovary and also correlative position of other floral parts, fruits and seeds?
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Q237
Open questionThe drug obtained from the bark of cinchona was used for treating malaria. The synthetic drug which replaced the natural product is
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Q238
Open questionWhich is not insect amongst following?
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Q239
Open questionIn which of the following types of root apices in dicots, there are two layers of initials at the tip, one forming the central cylinder and the other forming the cortex and root cap?
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Q240
Open questionThe euglenoids differ from the green algae in that the reserve food is
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