Download App

STD 12 - 1. sexual reproduction in flowering plants — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 1. sexual reproduction in flowering plants1 Mark
MCQ
Emasculation is not required when flowers are
  • A
    bisexual
  • B
    intersexual
  • ✓
    unisexual
  • D
    either $(a)$ or $(b)$
✓

Answer

Correct option: C.
unisexual
c
In unisexual flowers, the female flower buds are bagged before the flowers open. When the stigma become receptive, pollination is carried out using the desired pollen and the flower rebagged. Hence, there is no need of emasculation in these flowers.

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

Explore more

More "M.C.Q (0.5 Marks)" from STD 12 - 1. sexual reproduction in flowering plants→STD 12 - 1. sexual reproduction in flowering plants — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Pregnancy begins with implantation of
→
Extranuclear inheritance occurs in.
→
Acquired Immunity mediated by which of the following
→
Number of deaths during a limited time period and place for a particular population is known as?
→
Lamarck's theory of evolution is also called
→
Which is the main causative factor of desertification
→
The distance between two genes in a chromosome is measured in cross-over units which represent
→
Wings of pigeon, mosquito and bat show:
→
Happiness, health and prosperity of the population of a place depends upon
→
Choose the homologous organs from the givenoptions.

$(I)$ Vertebrate hearts.

$(II)$ Vertebrate brains

$(III)$ Thorn and tendrils of Bougainvillea andcucurbita respectively

$(IV)$ Vertebrate limbs.

The correct combination is

→