Recent questions tagged olympiad

The percentage of solar radiation absorbs by all green plants for photosynthesis

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Which of the following limits the number of trophic levels in a food chain?

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A gamete contains

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In pea plants, a pure tall plant (TT) is crossed with a short plant (tt). The ratio of pure tall plant to short plants in F2 is

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The book "Origin of Species" was written by

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Characters transmitted from parents to offspring are present in

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The correct sequences of reproductive stage seen in flowering plants are

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Which one is not a reflex action?

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Centre for locating body temperature is

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Nastic movements are

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Which is he correct sequence of air passage during inhalation?

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If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?

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Life span of RBC is

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Gaseous exchange in plants occur through

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Resins and gums are normally deposited in plants

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Which of the following is an unpaired endocrine gland

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A patient was asked t take insulin shots by the doctor because

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Vegetative propagation refers to the formation of new plants from

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In Rhizopus, tubular thread like structure bearing sporangia at their tips

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An IUCD dervice is

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The femaleness of a child is determined by

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The two variations of a trait that are brought by male and female gametes are suitable on

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Excessive exposure to UV rays results in i. Damage to immune system ii. Damage to lungs iii. Skin cancer iv. Peptic ulcers

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Identify the artificial ecosystem.

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Which chemical has been replaced recently?

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Waste produced during extraction of metal is called

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Khadins, Bundhis, Ahars and Kattas are ancient structure for

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A successful forest conservation strategy should encompass

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Water is

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Measurement of water pollution is made by

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Identify the abiotic component in these.

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A biodegradable waste is

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Ozone shield acts a protective barrier against

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If a homozygous round and green seeded plant is crossed with wrinkled and green seeded plant, the $F1$ generation will have

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The scientific name of the plant, Mendel worked was

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The wings of the bat, locust and pigeon are

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Seed is formed from

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Method of propagation in jasmine is

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Pathway of electrical impulses in a neuron is

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One should not hit a person on nape region because the centre of _______ is located there.

asked Jul 30, 2017 by priyanka.c

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Oxygen released during photosynthesis comes from

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Autotrophic nutrition occurs in

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Select the eco friendly activity among the following :

asked Jul 30, 2017 by priyanka.c

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Which is not a cause for water scarcity?

asked Jul 30, 2017 by priyanka.c

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Ozone depletion is mainly due to

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In the food chain Grass Grasshopper Frog Snake Hawk, the amount of energy available to the frog is

asked Jul 30, 2017 by priyanka.c

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In the food chain, suppose the amount of energy at fourth trophic level is 5KJ, what will be the energy available at producer level? Grass Grasshopper Frog Snake Hawk

asked Jul 30, 2017 by priyanka.c

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The character that can be acquired but not inherited are

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Gametes are formed by

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In human males, the testes lie in the ******* because it helps in the

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