Which of the following statement(s) is/are correct about self-incompatibility? (i) It is a devic...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=Ka4ShUfXSX8


Duration: 4:20
16 views
0

Which of the following statement(s) is/are correct about self-incompatibility?
(i) It is a device to prevent inbreeding.
(ii) It provides a biochemical block to self-fertilization.
(iii) Itensures cross-fertilization.
(iv) It is governed by pollen-pistil interaction.
(v) It is governed by series of multiple alleles.
(vi) It prevents self-pollen (from the sameflower of other flowers of the same plant) from fertilizing theovules by inhibiting pollen germination of pollen tube growth in thepistil.
(A) (i), (ii) and (iii)
(B) (i), (iv) and (v)
(C) All of the above
(D) None of the above
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-28If \( (-2,6) \) is the image of the point \( (4,2) \) with respect to the line \( L=0 \), then \...
2022-11-28Choose the correct statements given below regarding M endelian inheritance. (i) M endel's experi...
2022-11-28\( \frac{\tan 45^{\circ}}{2 \sin 30^{\circ}-\cos 60^{\circ}} \) рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред
2022-11-28Humans, like other mammals have a sex-determination mechanism that depends on
2022-11-28Cri-du-chat syndrome is caused by a conspicuous deletion in the short arm of one of the
2022-11-28Which of the following synthetic phytohormone was discovered as a breakdown product of DNA? (A) ...
2022-11-28Write the importance of measuring the size of a population in a habitat or an ecosystem.
2022-11-28A parallel plate capacitor is charged and the charging battery is then disconnected. If the plat...
2022-11-28A coil and an inductance-free resistance \( R=25 \Omega \) are connected in parallel to the ac m...
2022-11-28рдкреБрдордВрдЧ рдХреА рдЗрдХрд╛рдЗрдпреЛрдВ рдХреЛ рддрдерд╛ рдЬрд╛рдпрд╛рдВрдЧ рдХреА рдЗрдХрд╛рдЗрдпреЛрдВ рдХреЛ рдХрд╣рддреЗ рд╣реИрдВред
2022-11-28Which of the following statement(s) is/are correct about self-incompatibility? (i) It is a devic...
2022-11-28Themost abundant natural cytokinin that is isolated from corn kernels and coconut milk is - (A) ...
2022-11-28\( \sin 60^{\circ} \cos 30^{\circ}+\cos 60^{\circ} \sin 30^{\circ} \) рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред
2022-11-28рдпрджрд┐ \( \tan A=1 \) рддреЛ \( \sin ^{2} A+\cos ^{2} A+\cot A \) рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред
2022-11-28In moving from \( A \) to \( B \) along an electric field line, the electric field does \( 6.4 \...
2022-11-28India's share in global species diversity is around (A) \( 8 \% \) (B) \( 14 \% \) (C) \( 17 \% ...
2022-11-28Secondary growth in dicot roots is not characterised by (A) wavy ring of vascular cambium (B) de...
2022-11-28In an isobilateral (monocot) leaf, the stomata are (A) usually absent or less abundant in upper ...
2022-11-28An annual ring refers to (A) spring ring and autumn ring of 2 years (B) early wood and late wood...
2022-11-28Study the following statements regarding the preparation of herbarium sheets. A. Herbaria serve ...
2022-11-28рдпрджрд┐ \( A=45^{\circ} \), рддреЛ рджрд┐рдЦрд╛рдЗрдП рдХрд┐ \( \cos 2 A=\cos ^{2} A-\sin ^{2} A \).