Questions
Which of the following statements about a seed is not true?
- It is the mature ovule after fertilization.
- It contains a living plant called an embryo.
- It contains cotyledons that protect the growing embryo.
- Embryo inside the seed remains dormant in unfavourable conditions.
- It contains a small amount of food to nourish the small plant.
Which of the following is a monocotyledonous seed?
- Pea
- Bean
- Peanut
- Wheat
- Lemon
Which of the following plants have albuminous dicot seeds?
- Mango
- Pea
- Orchids
- Poppy
- Mustard
Which of the following plants has a dicotyledonous seed?
- Coconut
- Rice
- Grass
- Maize
- Apple
What is the area of the plant embryo between the cotyledons and the radicle called?
- Epicotyl
- Hypocotyl
- Plumule
- Radicle
- Coleoptile
Which of the following plants has endospermic dicot seeds?
- Wheat
- Palm
- Custard apple
- Millet
- Maize
Which of the following have exalbuminous dicot seeds?
- Vallisneria
- Amorphophalus
- Orchids
- Custard apple
- Mustard
What are the seeds having endosperm and thin cotyledons called?
- Monocotyledonous seeds
- Dicotyledonous seeds
- Endospermic seeds
- Exalbuminous seed
- Non-endospermic seeds
The protein layer, which lines the endosperm of maize grain, is called ___________.
- aleurone
- coleoptile
- scutellum
- coleorhiza
- micropyle
Which of the following is the function of coleoptile in the plant?
- To protect the plumule
- To store the food
- To protect the embryo
- To supply food to embryo
- To attach the cotyledons with radicle
What is the protective sheath of the radicle in maize grain called?
- Hilum
- Epicotyl
- Aleurone
- Scutellum
- Coleorhiza
Which of the following parts of a seed is a special food storing tissue?
- Hilum
- Hypocotyl
- Endosperm
- Epicotyl
- Coleoptile
What is the cotyledon of a maize grain called?
- Coleoptile
- Scutellum
- Endosperm
- Hilum
- Coleorhiza
The outer covering of a bean seed is called
- testa
- tegmen
- hilum
- scutellum
- coleorhiza
Which of the following marks the area where bean seed was attached to the ovary wall?
- Testa
- Tegmen
- Hilum
- Coleoptile
- Micropyle
Which of the following is not true about micropyle?
- It is situated next to the testa.
- It is the pore through which pollen tube enters the ovule during fertilization.
- The seeds absorb water through micropyle.
- It allows diffusion of respiratory gases.
- It helps in the germination of seed.
Which of the following is not true about dicot seeds?
- Cotyledons are thick and fleshy.
- Plumule is small and plumule leaves are rolled.
- Endosperm is absent.
- Hilum and micropyle are clearly visible.
- Embryo is large.
Which of the following plants shows epigeal germination?
- Cotton
- Rhizophora
- Pea
- Mango
- Rice
Which of the following plants shows hypogeal germination?
- Castor
- Bean
- Cotton
- Sonneratia
- Maize
What is the optimum temperature range for seed germination?
- 40°C - 60°C
- 10°C - 15°C
- 37°C - 45°C
- 25° - 35°C
What kind of germination takes place in mangrove plants like Sonneratia?
- Epigeal
- Hypogeal
- Viviparous
- Oviparous
- Epicotyl
What is an epicotyl?
- Part of plant embryo above the cotyledon
- Part of plant embryo below the cotyledon
- Area of plant embryo between cotyledons and radicle
- Special food storing tissue in a plant embryo
- Sheath that protects the plumule
Which part of seed mainly absorbs water?
- Seed coat
- Endosperm
- Micropyle
- Coleorhiza
- Tegmen
Which of the following is characterised as a distinct whitish oval scar?
- Hilum
- Tegmen
- Hypocotyl
- Radicle
- Coleoptile
Which of the following is not correct for monocotyledonous seeds?
- They do not divide into two halves.
- Endosperm is present.
- Cotyledons are thin and narrow.
- Hilum and micropyle are clearly visible.
- Plumule is very small.