Water is drawn through the haustoria from the host plant’s
A) xylem
B) leaves
C) phloem
D) nodules
1 Answers
The potential difference across a cell is 1.8 V when a current of 0.5 A is drawn from it. The p.d. falls to 1.6 V when a current of 1.0 A is drawn. Fi
Correct Answer - `2.0 V, 0.4 Omega`
2 Answers 4 views
Who demonstrated that viruses are inert outside the host cell and can be crystallised?
Stanley demonstrated that viruses are inert and can be crystallised. [Note: Students can scan the adjacent QR code for detail classification of given tree diagram.]
2 Answers 1 views
In an interspecific a filamentous eukaryotic organism absorbs nutrients from the soil for the higher plant. In turn the host provides some energy yiel
Correct Answer - Mycorrhiza
2 Answers 1 views
Dynamic Host Configuration Protocol can automatically assign internet addresses to ______________ and ______________
(A) Computers (D) Users
2 Answers 1 views
A card is drawn from a well-shuffled deck of 52 cards and without replacing this card, a second card is drawn. Find the probability that the first car
Correct Answer - `13/204`
2 Answers 1 views
Four bad eggs are mixed with 10 good ones. Three eggs are drawn one by one without replacement. Let X be the number of bad eggs drawn. Find the mean a
Correct Answer - `"Mean "=(6)/(4), "variance "=(30)/(49)`
2 Answers 2 views
A bag contains 4 green and 6 white balls. Two balls are drawn one by one without replacement. If the second ball drawn is white, what is the probabili
Correct Answer - `5/9`
2 Answers 1 views
An urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. Find the probability that the ball drawn is (i) red (ii) white (iii) red
Correct Answer - `(i) 9/20 (ii) 7/20 (iii) 4/5 (iv) 11/20 (v) 13/20`
2 Answers 1 views
Root like structures in cuscuta that penetrate the tissue of a host plant to absorb food is ……
(B) Haustoria
2 Answers 1 views