Which one of the following plants is monoecious? from Biology Reproduction in Organisms Class 12 Nagaland Board
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Reproduction in Organisms

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Which one of the following plants is monoecious?

  • Marchantia

  • Pinus

  • Cycas

  • Papaya


B.

Pinus

Pinus is monoecious, which bear male cone as well as a female cone on the same tree on separate branches.
Marchantia Cyas and papaya are dioecious plants

Pinus is monoecious, which bear male cone as well as a female cone on the same tree on separate branches.
Marchantia Cyas and papaya are dioecious plants

602 Views

Bryophyllum is vegetatively propagated by :
  • (A) Bulbil 
  • (B) Leaf buds
  • (C) rhizome
  • (D) Offset.

B.

(B) Leaf buds
854 Views

Micropropagation is based on :
  • (A) tissue culture
  • (B) hybridization
  • (C) microtomy
  • (D) genetic control.

A.

(A) tissue culture
918 Views

The entry of pollen tube into embryo sac through the integuments is termed as :
  • (A) porogamy
  • (B) chalazogamy
  • (C) mesogamy
  • (D) Both (a) and (b)

C.

(C) mesogamy
1067 Views

Vegetative type of reproduction means :
  • (A) plant portion is used as a means of propagation
  • (B) seed is used as a means of propagation
  • (C) flower is used as a means of propagation
  • (D) None of the above.

A.

(A) plant portion is used as a means of propagation
958 Views

Testa and tegmen are present in :
  • (A) flower
  • (B) ovary
  • (C) seed
  • (D) seed coat.

D.

(D) seed coat.
2138 Views