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Biology |
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| 151)Patients who excrete large quantities of sodium in the urine have- | |||
| erratic renal thresshold for Na+ | deseased adrenal cortex | ||
| diseased adrenal medulla | defective cells lining the villi of ileum that fail to reabsorb Na+ | ||
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| 152)The average gestation period of sheep is | |||
| 150 days | 280 days | ||
| 365days | 30days | ||
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| 153)The movement of eggs from the ovaries to the uterus preceeds through the | |||
| vagina | placenta | ||
| fallopin tube | cortex | ||
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| 154)Bull semen for the purpose of artificial insemination is stored in | |||
| liquid oxygen | ice | ||
| liquid carbondioxide | liquid nitrogen | ||
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| 155)Every living individual born through sexual reproduction is single celled inits earliest history. This cell is called | |||
| zygospore | zygote | ||
| gamete | azygorpore | ||
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| 156)Pollination by insects is called | |||
| entomophily | anemophily | ||
| ornithophily | hydrophily | ||
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| 157)The fusion of a male gamete with an egg is called | |||
| triple fusion | copulation | ||
| conjugation | syngamy | ||
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| 158)A true fruit develops from | |||
| ovary | anthet | ||
| ovule | carpel | ||
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| 159)Which one of the following bear the smallest seeds? | |||
| sedges | legumes | ||
| orchids | grasses | ||
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| 160)Which one of the folowing is a true fruit? | |||
| pineapple | coconut | ||
| cashewnut | apple | ||
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| 161)Fruit development without fertilisation is called- | |||
| pathenocarpy | apogamy | ||
| porogamy | polycarpy | ||
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| 162)When male and female flowers are borne on deifferent plants, the plant is called- | |||
| dioecious | dichlamydeous | ||
| bisexual | monoecious | ||
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| 163)The dry fruit "chilgoza" is obtained from | |||
| cyprus | pine | ||
| deodar | cycas | ||
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| 164)The pollen grains in the plants are produced in the | |||
| anther | ovule | ||
| carpel | ovary | ||
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| 165)The age of a tree can be found by | |||
| analysis of its sap | measuring its diameter | ||
| measuring its height | counting the anual growth rings in a section of its stem | ||
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