Adventitious roots develop from
(A) radicle
(B) any part of the plant body except the radicle
(C) flower
(D) embryo
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Web Designer can develop interactive websites using knowledge of ______________, ______________ and various other programming languages.
(C) HTML (E) PHP
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Let a, be the roots of the equation `x^2+x+1=0`. The equation whose roots are `alpha^19` and `beta^7` are:
correct answer is D
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In the following, determine whether the given quadratic equations have real roots and if so, find the roots: `2x^2-2sqrt(6)x+3=0` (ii) `3a^2x^2+8a b x
Correct Answer - `x=(-2b)/(3a)" or "x=(-2b)/(a)35.x=(4b^(2))/(a^(2))" or "x=(-3a^(2))/(b^(2))`
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Explain various types of adventitious roots which are modified for mechanical support.
1. Prop roots / Columnar roots: a. These roots arise from horizontal branches of tree like Banyan tree (Ficus benghalensis) and grow vertically downwards till they penetrate the soil. b. These prop roots...
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Name the four types of adventitious roots modified for food storage.
1. Figure ‘a’ indicates simple tuberous root. a. Simple tuberous roots become swollen and do not show definite shape. b. They are produced singly. c. The roots arise from nodes over the stem...
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Stilt roots are roots.
The correct answer is (B) adventitious
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Which of the following is NOT a type of adventitious root modified for storage of food?
The correct answer is (C) Napiform root
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The role of auxins is to : A) promote fruit growth B) stimulate positive phototropism C) cause roots to develop D) all of the above
B) stimulate positive phototropism
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42) If \( \alpha \) and \( \beta \) are the roots of the equation \( x^{2}+x-4=0 \) form the quadratic equation whose roots are \( \alpha^{2} \) and \( \beta^{2} \).
given-: a+b=-1............ eqn ¹ ab=-4. ............. eqn ² on squaring eqn ¹ a²+b²+2ab=1 a²+b²=9 on squaring eqn ² a²b²=16 hence the eqn is x²+9x+16=0 ♥
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Roots which store food materials are called ………………… roots.
Roots which store food materials are called Taproot roots.
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