Q. The volume of O2 liberated in photosynthesis has which of the following ratio to CO2?

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Q. Gypsum is beneficial for

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Q. The study of interaction between living organism and environment is called

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Q. Lichen involves two organisms as

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Q. A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is

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Q. Archaeabacteria differ from the true bacteria as they have

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Q. Which group of plants has the greatest diversity (i.e. the most species) living today?

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Q. Which group of land plants is most restricted to moist environments?

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Q. What single feature is probably most responsible for the success of angiosperms?

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Q. Auxanometer is used for measuring

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Q. In angiosperm, the endosperm is

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Q. In the bundle sheath of C4 plant __________ is/ are less than mesophyll.

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Q. Triticale is derived by crossing

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Q. The major source of sugar in the world is

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Q. Triticale, the first man made cereal is an example of

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Q. Mycorrhizae are symbiotic associations between

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Q. Rice can grow in water submerged soil because the plants

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Q. Who among the following coined the term Biotechnology?

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Q. Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?

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Q. A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as

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