Jamb Biology Questions - Angiosperms
Question 1:
Which of these is not a characteristics of a wind pollinated flowers?
- A A smaller quantities of sticky pollen produce
- B Small inconspicuous scentless flower
- C Large anthers which are loosely attached to the filament
- D Light pollen grains produced in large quantities from the anthers
- E Feathery styles of stigmas pendulously hang outrside the flower
View Answer & ExplanationQuestion 2:
Which of these is not a characteristics of a wind pollinated flowers?
- A A smaller quantities of sticky pollen produce
- B Feathery styles of stigmas pendulously hang outrside the flower
- C Small inconspicuous scentless flower
- D Large anthers which are loosley attached to the filament
- E Light pollen grains produced in large quantities from the anthers
View Answer & ExplanationQuestion 3:
Which of these statement below is not a characteristic of wind pollinated flower?
- A Stigmas are usually large and feathery
- B Nectar is usually absent
- C The pollen grains have rough spiny surfaces
- D The flowers are not scented
- E The pollen is light and smooth
View Answer & ExplanationQuestion 4:
The dry indehiscent, winged fruit formed from one one carpel is known as
- A Schizocarp
- B Caryopsis
- C Samara
- D Nut
- E Follicle
View Answer & ExplanationQuestion 5:
The maize grain is regarded as a fruit and not a seed because
- A It is covered by a sheath of leaves
- B The testa and fruit wall fuse after fertilization
- C It has both endosperm and cotyledon
- D It has coleorhiza and coleoptile
- E The pericarp and seed coat are separated
View Answer & Explanation