MCQ
Choose incorrect sentence.
  • A
    Stem is modified for climbing in watermelon.
  • B
    Stem thorns are found in Bougainvillea.
  • Stem become flat and decrease photosynthesis in Euphorbia.
  • D
    Stem is modified for reproduction in Eichhornia.

Answer

Correct option: C.
Stem become flat and decrease photosynthesis in Euphorbia.
c

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Marchantia is an example of.
In the middle lamella of plant cell walls, one of the main elements is
Which one of the following statements are correct ?
(A) The arrangement of ovules within the ovary is known as placentation.
(B) In marginal placentation the placenta forms a ridge along the ventral surface of the ovary and the ovules are borne on this ridge forming one row as in pea.
(C) When the placenta is axial and the ovules are attached to it in a multilocular ovary, the placentation is said to be axile, as in china rose, tomato and primrose.
(D) When the ovules are borne on central axis and septa are absent as in Dianthus and lem on the placentation is called free central.
(E) In sunflower and marigold, the placentation is basal.
(F) Fruit is a mature or ripened ovary, developed before fertilization
(G) If a fruit is formed without fertilization of the ovary, it is called a parthenocarpic fruit.
(H) In mango and coconut, the fruit is known as a drupe which develop from monocarpellary inferior ovaries and are one seeded.
(I) In coconut which is drupe, the mesocarp is fibrous.
(J) A seed is made up of a seed coat and an embryo.
(K) The seed coat has two layers, the inner testa and outer tegmen.
(L) The hilum is a scar on the seed coat through which the developing seeds were attached to the fruit.
(M) At the two ends of the embryonal axis are present radicle and plumule.
(N) In some seeds such as castor the endosperm formed as a result of double fertilization, is a food storing tissue.
(0) The outer covering of endosperm separates the embryo by a starch layer called aleurone layer.
Choose the correct option given below :-
In cold and foggy areas, the limiting factor is
The thallus of Volvox is called
Which of the following enzymes has been incorrectly matched with their function?
Commensalism is the interaction in which
Assertion: Cyclic photophosphorylation is shown by both PS-I and PS-II
Reason: In cyclic phosphorylation the electron moves from PS-I to PS-II and PS-II to PS-I.
Which of the following stages of meiosis involves division of centromere?
Which of the following is essential for plant growth