Animal Tissue | Biology-MCQs

1. Lamina propria is connected with (a) acini (b) liver (c) graafian follicle (d) intestine. Answer and Explanation: 1. (d): It…

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Life cycle of Pteridophytes

Vegetative reproduction of Pteridophyta is by rhizome. Rhizome grows all of direction as colony. Pteridophyta have life cycle known as metagenesis with two generations,…

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General Characterististics of Gases | Class XI

General Characteristics of Gases.  Gases possess the following general characteristics : (i) Shape and volume:  Gases have neither definite shapennor definite…

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What are various factors due to which ionisation enthalpy of the main group elements tends to decrease down a group? | Class XI

(i) Atomic size is inversely proportional to I.E. On moving down the group, atomic size increases, hence ionisation energy decreases.…

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