Which of the following statements is not correct ?
Which of the following statements is not correct ?
- [NEET 2016]
- A
Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil.
- B
Some reptiles have also been reported as pollinators in some plant species.
- C
Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.
- D
Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.
Similar Questions
Match the following:
Column $- I$
Column $- II$
$(1)$ Germ pore
$(a)$ Lack of sporopollenin
$(2)$ Parthenium
$(b)$ Malva
$(3)$ Self incompatibility
$(c)$ Palms
$(d)$ Contaminant with important wheat
Match the following:
| Column $- I$ | Column $- II$ |
| $(1)$ Germ pore | $(a)$ Lack of sporopollenin |
| $(2)$ Parthenium | $(b)$ Malva |
| $(3)$ Self incompatibility | $(c)$ Palms |
| $(d)$ Contaminant with important wheat |
Product of sexual reproduction generally generates
Product of sexual reproduction generally generates
- [NEET 2013]
Differentiate between:
$(a)$ Integument and testa;
$(b)$ Perisperm and pericarp.
Differentiate between:
$(a)$ Integument and testa;
$(b)$ Perisperm and pericarp.
Give differences : Stamen and Pistil
Give differences : Stamen and Pistil
Explain Post Fertilization events. Discribe the step of Post Fertilization.
Explain Post Fertilization events. Discribe the step of Post Fertilization.